US2019315774A1PendingUtilityA1

Tricyclic heteroaryl-substituted quinoline and azaquinoline compounds as par4 inhibitors

Assignee: BRISTOL MYERS SQUIBB COPriority: Jul 14, 2016Filed: Jul 13, 2017Published: Oct 17, 2019
Est. expiryJul 14, 2036(~10 yrs left)· nominal 20-yr term from priority
C07D 493/04C07D 513/04A61P 7/02C07D 519/00A61K 31/497A61K 31/506C07D 515/14
56
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Claims

Abstract

Disclosed are compounds of Formula (I) to (VIII): (I) (II) (III) (IV) (V) (VI) (VII) (VIII) or a stereoisomer, tautomer, pharmaceutically acceptable salt, solvate or prodrug thereof, wherein R 3 is a tricyclic heteroaryl group substituted with R 3a and zero to 2 R 3b ; and R 1 , R 2 , R 3a , R 3b , R 4 , and n are defined herein. Also disclosed are methods of using such compounds as PAR4 inhibitors, and pharmaceutical compositions comprising such compounds. These compounds are useful in inhibiting or preventing platelet aggregation, and are useful for the treatment of a thromboembolic disorder or the primary prophylaxis of a thromboembolic disorder.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A compound of Formula (I) to (VIII): 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
       or a salt thereof; wherein:
 R 1  is F, Cl, —OH, C 1-4  alkyl, C 1-4  fluoroalkyl, C 2-4  alkenyl, C 2-4  alkynyl, C 3-7  cycloalkyl, C 3-7  fluorocycloalkyl, C 1-4  alkoxy, C 1-4  fluoroalkoxy, C 2-4  hydroxyalkoxy, C 3-6  cycloalkoxy, (C 1-3  alkoxy)-(C 1-3  alkylene), (C 1-3  alkoxy)-(C 1-3  fluoroalkylene), (C 1-3  deuteroalkoxy)-(C 1-3  deuteroalkylene), (C 1-3  fluoroalkoxy)-(C 1-3  alkylene), (C 1-3  fluoroalkoxy)-(C 1-3  fluoroalkylene), —(CH 2 ) 1-30 (phenyl), —(CH 2 ) 1-3 NR a R a , —C(O)O(C 1-6  alkyl), —C(O)NR a R a , —C(O)NR b R b , —NH 2 , —NH(C 1-6  alkyl), —N(C 1-6  alkyl) 2 , azetidinyl, pyrrolidinyl, furanyl, pyranyl, piperidinyl, morpholinyl, piperazinyl, —S(O) 2 (C 1-3  alkyl), —S(O) 2 NR a R a , C 1-3  alkylthio, or C 1-3  fluoroalkylthio; 
 R 2 , at each occurrence, is independently H, F, Cl, Br, —OH, —CN, C 1-4  alkyl, C 1-4  fluoroalkyl, C 1-4  hydroxyalkyl, C 1-3  aminoalkyl, C 2-4  alkenyl, C 2-4  alkynyl, C 3-7  cycloalkyl, C 3-7  fluorocycloalkyl, C 1-6  alkoxy, C 1-3  fluoroalkoxy, C 1-3  alkylthio, C 1-3  fluoroalkylthio, (C 1-3  alkoxy)-(C 1-3  alkylene), (C 1-3  fluoroalkoxy)-(C 1-3  alkylene), —C(O)NH 2 , —C(O)NH(C 1-6  alkyl), —C(O)N(C 1-6  alkyl) 2 , —C(O)NR b R b , —CH(OH)(C 3-6  cycloalkyl), —CH(OH)(phenyl), CH(OH)(pyridyl), —S(O) 2 (C 1-3  alkyl), —S(O) 2 NR a R a , or a cyclic group selected from phenyl, 5- to 6-membered heteroaryl, and 5- to 7-membered heterocycle, wherein said cyclic group is substituted with zero to 5 substituents independently selected from F, Cl, hydroxy, C 1-3  alkyl, C 1-3  alkoxy, cyclopropyl, and —CN; 
 
       R 3  is: 
       
         
           
           
               
               
           
         
       
       (i) X 1  is N and X 2  is S, O, or NH; 
       (ii) X 1  is O and X 2  is CH or N; 
       (iii) X 1  is NH and X 2  is CH; or 
       (iv) X 1  is CH and X 2  is S or NH; 
       and the dashed lines represent the variable position of a double bond to maintain aromaticity, 
       each R 3  is substituted with R 3a  and zero to 3 R 3b ; 
       R 3a  is: 
       (i) H, C 1-6  hydroxyalkyl, C 1-6  hydroxyfluoroalkyl, —C(O)O(C 1-6  alkyl), —CR a R a NHC(O)(C 1-6  alkyl), —CR a R a NHC(O)(C 1-6  fluoroalkyl), —CR a R a NHC(O)O(C 1-6  alkyl), —CR a R a NHC(O)O(CH 2 ) 1-3 (C 1-3  alkoxy), —CR a R a NHC(O)O(C 1-4  fluoroalkyl), —CR a R a N a S(O) 2 (C 1-3  alkyl), CR a R a N a S(O) 2 (C 1-3  fluoroalkyl), —CR a R a OP(O)(OH) 2 , —CR a R a NHC(O)R x , —CR a R a NHC(O)OR x , —CR a R a NHC(O)CH 2 R x , —CR a R a NHC(O)OCH 2 R x , —CR a R a OC(O)NHR x , —CR a R a NHC(O)NHR x , —CR a R a OR x , or —CR a R a OC(O)R x ; 
       (ii) —CH(OH)CR h R i R j  wherein R h  and R i  are independently H, F, C 1-4  alkyl, C 1-4  fluoroalkyl, C 1-3  alkoxy, or C 1-3  fluoroalkoxy, or taken together with the carbon atom to which they are attached, form C 3-8  cycloalkyl or 4- to 7-membered heterocyclyl ring; and R j  is H, C 1-6  alkyl, C 1-5  fluoroalkyl, (C 1-3  alkoxy)-(C 1-3  alkyl), C 3-8  cycloalkyl, C 3-8  heterocyclyl, aryl, or heteroaryl; 
       R x  is C 3-6  cycloalkyl, phenyl, pyridinyl, pyridazinyl, pyrimidinyl, pyrazinyl, benzo[d]oxazolyl, benzo[d]thiazolyl, pyrrolopyridinyl, tetrahydroisoquinolinyl, tetrahydrofuranyl, tetrahydropyranyl, morpholinyl, imidazopyridinyl, or oxo-dihydrobenzo[d]oxazolyl, each substituted with zero to two substituents independently selected from F, Cl, Br, —CN, —OH, —CH 3 , —CF 3 , C 1-3  alkoxy, C 1-3 fluoroalkyl, C 1-6  hydroxyalkyl, C 1-6  hydroxyalkoxy, C 1-6  hydroxy-fluoroalkoxy, phenoxy, —NR a R a , —C(O)NR a R a , —C(O)NH(C 1-6  alkyl), —C(O)N(C 1-6  alkyl) 2 , —C(O)NR b R b , —C(O)NR a (C 1-6 hydroxyalkyl), —C(O)O(C 1-6  alkyl), —C(O)OC 1-4 alkyl, —C(O)(morpholinyl), —S(O) 2 NR a R a , —CH(OH)CH 2 OH, —CH═CH 2 , —NHC(O)CH 3 , —OCH 2 CH 2 N(CH 3 ) 2 , —OCH 2 CH 2 OH, —OCH 2 CH(Me)OH, isoxazolyl, phenoxy, phenyl, pyrrolidinyl, thiophenyl, and methyl triazolyl; 
       R 3b , at each occurrence, is independently H, F, Cl, Br, —CN, C 1-3  alkyl, C 1-3  fluoroalkyl, C 1-3  hydroxyalkyl, —OCHF 2 , C 3-6  cycloalkyl, C 3-6  fluorocycloalkyl, C 2-4  alkenyl, C 2-4  alkynyl, C 1-3  alkoxy, C 1-3  alkylthio, or C 1-3  fluoroalkoxy; 
       R 4  is H, F, Cl, or —CH 3 ; 
       R a , at each occurrence, is independently H, C 1-4 alkyl, or C 1-4 fluoroalkyl; 
       two R b  along with the nitrogen atom to which they are attached form a 4- to 7-membered heterocyclo ring having 1 to 2 nitrogen atoms and 0-1 oxygen or sulfur atoms; and 
       n is zero, 1, or 2. 
     
     
         2 . The compound according to  claim 1  having the structure of Formula (I) or Formula (II): 
       
         
           
           
               
               
           
         
       
       or a salt thereof, wherein: 
       R 3  is: 
       
         
           
           
               
               
           
         
       
       X 1  is N and X 2  is S or O; or 
       X 1  is O and X 2  is CH; and 
       each R 3  is substituted with R 3a  and zero to 3 R 3b . 
     
     
         3 . The compound according to  claim 2  having the structure of Formula (Ia) or Formula (IIa): — 
       
         
           
           
               
               
           
         
       
       or a salt thereof, wherein: 
       R 1  is —CH 3 , —OCH 3 , —OCH 2 CH 3 , or —OCHF 2 ; 
       R 2  is F, Cl, —CN, —CH 3 , —CH 2 F, —CHF 2 , —CH 2 OH, —CH(CH 3 )OH, or —CH═CH 2 ; 
       R 3a  is H, —CH 2 OH, —CH(CH 3 )OH, —CH 2 CH(CH 3 )OH, —CH(OH)C(CH 3 ) 3 , —CH(OH)(trifluoromethyl cyclopropyl), —CH(OH)(trifluoromethyl cyclobutyl), —CH(OH)(methyl cyclohexyl), —CH 2 NHC(O)CH 3 , —CH 2 NHC(O)CF 3 , —CH 2 NHC(O)CH 2 (phenyl), —CH 2 NHC(O)(morpholinyl), —CH 2 NHC(O)OCH 3 , —CH 2 NHC(O)NH(cyclopropyl), —CH 2 NHC(O)NH(phenyl), —CH 2 NHC(O)OCH 3 , —CH 2 NHC(O)OCH 2 CH 3 , —CH 2 NHC(O)OC(CH 3 ) 3 , —CH 2 NHC(O)OCH 2 CH(CH 3 ) 2 , —CH 2 NHC(O)OCH 2 C(CH 3 ) 3 , —CH 2 NHC(O)OCH 2 CH 2 F, —CH 2 NHC(O)OCH 2 CF 3 , —CH 2 NHC(O)OCH 2 CH 2 OCH 3 , —CH 2 NHS(O) 2 CH 3 , —CH 2 O(methyl pyrimidinyl), —CH 2 OC(O)(dimethylaminopyridinyl), —CH 2 OP(O)(OH) 2 , —C(O)OCH 3 , —CH 2 NHC(O)OR x , —CH 2 NHC(O)OCH 2 R x , or —CH 2 OC(O)NHR x ; 
       R x  is phenyl, pyridinyl, pyridazinyl, pyrimidinyl, benzo[d]oxazolyl, benzo[d]thiazolyl, oxoisoindolinyl, pyrrolopyridinyl, tetrahydroisoquinolinyl, tetrahydrofuranyl, tetrahydropyranyl, imidazopyridinyl, or oxo-dihydrobenzo[d]oxazolyl, each substituted with zero to two substituents independently selected from F, Cl, Br, —CN, —OH, —CH 3 , —CF 3 , —CH 2 CH 2 OH, C 1-2  alkoxy, phenoxy, —NR a R a , —C(O)NR a R a , —C(O)OCH 3 , —C(O)OC(CH 3 ) 3 , —C(O)(morpholinyl), —CH(OH)CH 2 OH, —OCH 2 CH 2 OH, —OCH 2 CF 2 OH, —OCH 2 CH(CH 3 )OH, —CH═CH 2 , —NHC(O)CH 3 , —OCH 2 CH 2 N(CH 3 ) 2 , isoxazolyl, phenoxy, phenyl, pyrrolidinyl, thiophenyl, and methyl triazolyl; and 
       R 3b  is H, F, Cl, —CH 3 , or —CHF 2 . 
     
     
         4 . The compound according to  claim 3  or a salt thereof, wherein said compound of Formula (Ia) is selected from: 
       
         
           
           
               
               
           
         
       
       where R 3c  is H or F. 
     
     
         5 . The compound according to  claim 4  or a salt thereof, wherein R x  is: 
       (i) pyridazinyl, benzo[d]oxazolyl, benzo[d]thiazolyl, pyrrolopyridinyl, tetrahydroisoquinolinyl, methyl imidazopyridinyl, or oxo-dihydrobenzo[d]oxazolyl; 
       (ii) phenyl substituted with zero to 1 substituent selected from —CN and —C(O)(morpholinyl); 
       (iii) pyridinyl substituted with zero to two substituents independently selected from F, Cl, Br, —CN, —OH, —CH 3 , —CF 3 , C 1-2  alkoxy, phenoxy, —NH 2 , —N(CH 3 ) 2 , —C(O)NH 2 , —C(O)OC(CH 3 ) 3 , —C(O)OCH 3 , —CH(OH)CH 2 OH, —CH═CH 2 , —NHC(O)CH 3 , —OCH 2 CH 2 N(CH 3 ) 2 , phenyl, pyrrolidinyl, thiophenyl, and methyl triazolyl; or 
       (iv) pyrimidinyl substituted with C 1  or —CH 3 . 
     
     
         6 . The compound according to  claim 1  or a salt thereof, wherein said compound is selected from: 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-methoxypyridin-3-yl)carbamate (1); 
       (S)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-methoxypyridin-3-yl)carbamate (2); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′: 3,4]benzo [1,2-d]thiazol-7-yl)methyl (2-hydroxypyridin-4-yl)carbamate (3); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-methoxypyridin-3-yl)carbamate (4); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (5); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′: 3,4]benzo[1,2-d]thiazol-7-yl)methyl pyridin-3-yl carbonate (6); 
       (R)-(6-chloro-8-(2-methoxy-7-methylquinoxalin-5-yl)-2,3-dihydro-[1,4]dioxino[2,3-e]benzofuran-3-yl)methyl (6-methylpyridin-3-yl)carbamate (7); 
       (R)-(6-chloro-8-(2-methoxy-7-methylquinoxalin-5-yl)-2,3-dihydro-[1,4] dioxino [2,3-e]benzofuran-3-yl)methyl (2-methylpyridin-4-yl)carbamate (8); 
       (R)-(6-chloro-8-(2-methoxy-7-methylquinoxalin-5-yl)-2,3-dihydro-[1,4] dioxino [2,3-e]benzofuran-3-yl) methyl (6-methoxypyridin-3-yl)carbamate (9); 
       (R)-(6-chloro-8-(2-methoxy-7-methylquinoxalin-5-yl)-2,3-dihydro-[1,4] dioxino [2,3-e]benzofuran-3-yl)methyl pyridin-3-ylcarbamate (10); 
       (R)-(8-(2-methoxy-7-methylquinoxalin-5-yl)-2,3-dihydro-[1,4]dioxino[2,3-e]benzofuran-3-yl)methyl (6-methylpyridin-3-yl)carbamate (11); 
       (R)-(8-(2-methoxy-7-methylquinoxalin-5-yl)-2,3-dihydro-[1,4] dioxino [2,3-e] benzofuran-3-yl) methyl (2-methylpyridin-4-yl)carbamate (12); 
       (R)-(8-(2-methoxy-7-methylquinoxalin-5-yl)-2,3-dihydro-[1,4] dioxino [2,3-e] benzofuran-3-yl)methyl (6-methoxypyridin-3-yl) carbamate (13); 
       (R)-(8-(2-methoxy-7-methylquinoxalin-5-yl)-6-methyl-2,3-dihydro-[1,4] dioxino [2,3-e]benzofuran-3-yl)methyl (6-methylpyridin-3-yl)carbamate (14); 
       (R)-(8-(2-methoxy-7-methylquinoxalin-5-yl)-6-methyl-2,3-dihydro-[1,4] dioxino [2,3-e]benzofuran-3-yl)methyl (2-methylpyridin-4-yl)carbamate (15); 
       (R)-(8-(2-methoxy-7-methylquinoxalin-5-yl)-6-methyl-2,3-dihydro-[1,4] dioxino [2,3-e]benzofuran-3-yl)methyl (6-methoxypyridin-3-yl)carbamate (16); 
       (4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl (6-methoxypyridin-3-yl)carbamate (17); 
       (4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (18); 
       (4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl (6-methylpyridin-3-yl)carbamate (19); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl (6-methylpyridin-3-yl)carbamate (20); tert-butyl ((2-(2-(difluoromethoxy)-7-methylquinoxalin-5-yl)-4-fluoro-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl)carbamate (21); 
       (2-(2-(difluoromethoxy)-7-methylquinoxalin-5-yl)-4-fluoro-7, 8-dihydro-[1,4]dioxino[2′,3′:3,4] benzo[1,2-d]thiazol-8-yl)methanol (22); tert-butyl ((2-(2-(difluoromethoxy)-7-methylquinoxalin-5-yl)-4-fluoro-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-8-yl)methyl)carbamate (23); 
       (4-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4] benzo[1,2-d]thiazol-8-yl)methyl phenylcarbamate (24); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (5-chloropyridin-3-yl)carbamate (25); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d] thiazol-7-yl)methyl phenylcarbamate (26); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl) methyl (3-cyanophenyl)carbamate (27); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (5-fluoropyridin-3-yl)carbamate (28); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-fluoropyridin-3-yl)carbamate (29); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl pyridin-4-ylcarbamate (30); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (31); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d] thiazol-7-yl)methyl (6-chloropyridin-3-yl)carbamate (32); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl) methyl (2-methylpyridin-4-yl)carbamate (33); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl) methyl pyridazin-4-ylcarbamate (34); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4]dioxino [2′,3:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-cyanopyridin-3-yl)carbamate (35); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4]dioxino [2′,3:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-methoxypyridin-4-yl)carbamate (36); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (5-cyanopyridin-3-yl)carbamate (37); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-cyanopyridin-3-yl)carbamate (38); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d] thiazol-7-yl)methyl benzo[d]thiazol-5-ylcarbamate (39); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl) methyl benzo[d]thiazol-6-ylcarbamate (40); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-fluoropyridin-3-yl)carbamate (41); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (5-fluoropyridin-3-yl)carbamate (42); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (5-methoxypyridin-3-yl)carbamate (43); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7,8-dihydr-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-methylpyridin-4-yl)carbamate (44); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-methoxypyridin-4-yl)carbamate (45); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (3-cyanophenyl)carbamate (46); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-chloropyridin-3-yl) carbamate (47); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl pyridin-4-ylcarbamate (48); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7,8-dihydr-[1,4]dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl benzo[d]thiazol-5-ylcarbamate (49); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl benzo[d]thiazol-6-ylcarbamate (50); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (5-cyanopyridin-3-yl)carbamate (51); 
       (R)-(2-(2,7-dimethylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-(dimethylamino) pyridin-3-yl) carbamate (52); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-(thiophen-2-yl) pyridin-3-yl)carbamate (53); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (3-methyl-3H-imidazo [4,5-b]pyridin-6-yl)carbamate (54); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-(3-methyl-1H-1,2,4-triazol-1-yl)pyridin-3-yl)carbamate (55); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-methylpyridin-3-yl)carbamate (56); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (5-methylpyridin-3-yl)carbamate (57); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl) methyl (2-chloropyrimidin-5-yl)carbamate (58); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-chloropyrimidin-5-yl)carbamate (59); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (5,6-dimethylpyridin-3-yl) carbamate (60); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-fluoro-5-methylpyridin-3-yl)carbamate (61); 
       (R)-(4-chloro-2-(2,7-dimethylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-methylpyridin-3-yl) carbamate (62); 
       (R)-(4-chloro-2-(2,7-dimethylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (5-methylpyridin-3-yl)carbamate (63); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (6-fluoro-5-methylpyridin-3-yl)carbamate (64); (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4]dioxino [2′,3′:3,4]benzo[1,2-d] thiazol-7-yl)methyl (6-(dimethylamino)pyridin-3-yl)carbamate (65); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d] thiazol-7-yl)methyl (2-oxo-2,3-dihydrobenzo[d]oxazol-6-yl)carbamate (66); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (3-methyl-3H-imidazo[4,5-b]pyridin-6-yl)carbamate (67); 
       (R)-(4-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-methoxypyridin-3-yl)carbamate (68); 
       (R)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d] thiazol-7-yl)methyl (6-(3-methyl-1H-1,2,4-triazol-1-yl)pyridin-3-yl)carbamate (69); 
       (R)-(4-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (70); 
       (R)-(4-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl) methyl (6-fluoropyridin-3-yl)carbamate (71); 
       (R)-(4-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl) methyl (3-cyanophenyl)carbamate (72); 
       (R)-(4-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl pyridin-4-ylcarbamate (73); 
       (4-(difluoromethyl)-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-methylpyridin-4-yl) carbamate (74); 
       (R)-(4-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-methylpyridin-4-yl)carbamate (75); 
       (R)-(4-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-methylpyridin-3-yl)carbamate (76); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (5-carbamoylpyridin-3-yl)carbamate (77); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (1-oxo-1,2,3,4-tetrahydroisoquinolin-7-yl)carbamate (78); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (79); 
       (R)-(4-(difluoromethyl)-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxin o[2′,3′:3,4]benzo[1,2-d] thiazol-7-yl)methyl (6-methylpyridin-3-yl)carbamate (80); 
       (R)-(4-(difluoromethyl)-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxin o[2′,3′:3,4]benzo[1,2-d] thiazol-7-yl)methyl (6-methoxypyridin-3-yl)carbamate (81); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl benzo[d]oxazol-5-ylcarbamate (82); 
       (R)-(4-fluoro-2-(7-(hy droxymethyl)-2-methoxy quinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl) methyl pyridin-3-ylcarbamate (83); 
       (R)-(2-(7-(difluoromethyl)-2-methoxyquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxin o[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-methylpyridin-4-yl)carbamate (84); 
       (R)-(4-fluoro-2-(7-(hy droxymethyl)-2-methoxy quinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl) methyl (2-methylpyridin-4-yl)carbamate (85); 
       (2-(2-methoxy-7-vinylquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (6-methoxypyridin-3-yl)carbamate (86); 
       (2-(7-(hydroxymethyl)-2-methoxyquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-methoxypyridin-3-yl)carbamate (87); 
       (2-(7-(1-hydroxyethyl)-2-methoxyquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-methoxypyridin-3-yl)carbamate (88); 
       (2-(2-methoxy-7-vinylquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (89); 
       (2-(7-(hydroxymethyl)-2-methoxyquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (90); 
       (R)-(2-(7-cyano-2-methoxyquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4]dioxino[2′,3′: 3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-methylpyridin-3-yl)carbamate (91); 
       (R)-(2-(7-cyano-2-methoxyquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4]dioxino[2′,3′: 3,4]benzo[1,2-d] thiazol-7-yl)methyl (2-methylpyridin-4-yl)carbamate (92); 
       (R)-(2-(7-cyano-2-methoxyquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4]dioxino[2′,3′: 3,4]benzo[1,2-d] thiazol-7-yl)methyl pyridin-3-ylcarbamate (93); 
       (R)-(2-(7-cyano-2-methoxyquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-methoxypyridin-3-yl)carbamate (94); 
       (2-(7-chloro-2-methoxyquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benz o[1,2-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (95); 
       (2-(7-chloro-2-methoxyquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-fluoropyridin-3-yl)carbamate (96); 
       (2-(7-chloro-2-methoxyquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxino [2′,3′:3,4] benzo [1,2-d]thiazol-7-yl)methyl (6-methylpyridin-3-yl)carbamate (97); 
       (R)-(2-(7-(hydroxymethyl)-2-methoxyquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-methoxypyridin-3-yl)carbamate (98); 
       (R)-(2-(7-(hydroxymethyl)-2-methoxyquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-methylpyridin-4-yl)carbamate (99); 
       (R)-(2-(7-(hydroxymethyl)-2-methoxyquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-methylpyridin-3-yl)carbamate (100); 
       (R)-(2-(7-(hydroxymethyl)-2-methoxyquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (101); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4] benzo[1,2-d] thiazol-7-yl)methyl (6-methylpyridin-3-yl)carbamate (102); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl) methyl (2-methylpyrimidin-5-yl)carbamate (103); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl) methyl (6-methoxypyridin-3-yl)carbamate (104); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (6-cyanopyridin-3-yl)carbamate (105); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4] benzo [1,2-d]thiazol-7-yl)methyl (2-oxo-2,3-dihydrobenzo [d]oxazol-6-yl)carbamate (106); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl 1H-pyrrolo[2,3-b] pyridin-5-ylcarbamate (107); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4] benzo[1,2-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (108); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4] benzo[1,2-d] thiazol-7-yl)methyl (6-bromopyridin-3-yl)carbamate (109); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl) methyl (6-vinylpyridin-3-yl)carbamate 110); 
       ((R)-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (6-((S)-1,2-dihydroxyethyl)pyridin-3-yl)carbamate (111); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4] benzo [1,2-d]thiazol-7-yl)methyl (6-fluoropyridin-3-yl)carbamate (112); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4]dioxino[2′,3′:3,4] benzo[1,2-d]thiazol-7-yl)methyl (5-cyanopyridin-3-yl)carbamate (113); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4] benzo [1,2-d]thiazol-7-yl)methyl (4-(morpholine-4-carbonyl)phenyl)carbamate (114); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methyl (6-chloropyridin-3-yl)carbamate (115); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (6-(dimethylamino)pyridin-3-yl)carbamate (116); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methyl (2-phenylpyridin-4-yl)carbamate (117); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methyl (2-fluoropyridin-4-yl)carbamate (118); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methyl (5,6-dimethylpyridin-3-yl)carbamate (119); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methyl (6-methylpyridin-3-yl)carbamate (120); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4]benzo [1,2-d]thiazol-7-yl)methyl (6-phenoxypyridin-3-yl)carbamate (121); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (6-fluoro-5-methylpyridin-3-yl)carbamate (122); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methyl (6-hydroxypyridin-3-yl)carbamate (123); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methyl (5-methylpyridin-3-yl)carbamate (124); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (6-phenylpyridin-3-yl)carbamate (125); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (5-phenylpyridin-3-yl)carbamate (126); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4]dioxino[2′,3′:3,4] benzo[1,2-d]thiazol-7-yl)methyl (6-(thiophen-2-yl)pyridin-3-yl) carbamate (127); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methyl (6-(2-(dimethylamino)ethoxy) pyridin-3-yl)carbamate (128); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (3-methyl-3H-imidazo [4,5-b] pyridin-6-yl)carbamate (129); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methyl (6-(3-methyl-1H-1,2,4-triazol-1-yl)pyridin-3-yl)carbamate (130); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (6-(trifluoromethyl)pyridin-3-yl)carbamate (131); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methyl (5-chloropyridin-3-yl)carbamate (132); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methyl (6-ethoxypyridin-3-yl)carbamate (133); methyl 4-((((2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methoxy)carbonyl)amino) picolinate (134); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methyl (5-methylpyridin-3-yl)carbamate (135); tert-butyl 4-(5-((((2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxino[2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methoxy)carbonyl)amino)pyridin-2-yl) piperazine-1-carboxylate (136); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (6-(pyrrolidin-1l-yl) pyridin-3-yl)carbamate (137); methyl 5-((((2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methoxy)carbonyl) amino)nicotinate (138); tert-butyl 3-((((2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methoxy)carbonyl) amino)-7, 8-dihydro-1,6-naphthyridine-6(5H)-carboxylate (139); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (6-acetamidopyridin-3-yl)carbamate (140); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino [2′,3′: 3,4] benzo [1,2-d]thiazol-7-yl)methyl (6-aminopyridin-3-yl)carbamate (141); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-4-methyl-7, 8-dihydro-[1,4] dioxino[2′,3′: 3,4]benzo[1,2-d]thiazol-7-yl)methyl 1H-pyrrolo[2,3-b]pyridin-5-ylcarbamate (142); 
       6-(2-(methoxymethyl)-7-methylquinoxalin-5-yl)-[1,3] dioxolo[4′,5′:4,5]benzo[1,2-d]thiazole (143); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl(2-methylpyrimidin-5-yl)carbamate (144); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl) carbamate (145); 
       (S)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methanol (146); 
       (S)-(4-chloro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl(6-methylpyridin-3-yl)carbamate (147); 
       (4-chloro-2-(7-(hydroxymethyl)-2-methoxy quinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl(6-methylpyridin-3-yl)carbamate (148); 
       (S)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methanol (149); 
       (S)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl(2-methylpyrimidin-5-yl)carbamate (150); 
       (S)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl) carbamate (151); 
       (S)-(2-(2-ethoxy-7-methylquinoxalin-5-yl)-5-fluoro-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methanol (152); 
       (R)-(2-(2-ethoxy-7-methylquinoxalin-5-yl)-5-fluoro-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl(2-methylpyrimidin-5-yl)carbamate (153); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (5-cyanopyridin-3-yl)carbamate (154); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (2-(2-hydroxyethyl)pyrimidin-5-yl)carbamate (155); (S)-methyl 2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazole-7-carboxylate (156); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (157); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl pyridazin-4-ylcarbamate (158); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (6-methylpyridin-3-yl)carbamate (159); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (2-methylpyridin-4-yl)carbamate (160); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (5-fluoropyridin-3-yl)carbamate (161); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (3-cyanophenyl)carbamate (162); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (2-methoxypyridin-4-yl)carbamate (163); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (6-methoxypyridin-3-yl)carbamate (164); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (6-(2-hydroxyethoxy)pyridin-3-yl)carbamate (165); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (6-(2,2-difluoro-3-hydroxypropoxy)pyridin-3-yl)carbamate (166); 
       (5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methanol (167); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl(5-methoxypyridin-3-yl)carbamate (168); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (4-(morpholine-4-carbonyl) phenyl)carbamate (169); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (6-fluoropyridin-3-yl)carbamate (170); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methanol (171); 
       (S)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methanol (172); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (2-(2-hydroxyethoxy)pyrimidin-5-yl)carbamate (173); 
       (S)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (174); 
       (S)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (175); 
       (S)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (3-cyanophenyl)carbamate (176); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (2-methoxypyrimidin-5-yl)carbamate (177); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl(3-oxoisoindolin-5-yl)carbamate (178); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (3-cyano-5-fluorophenyl)carbamate (179); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (3-carbamoylphenyl)carbamate (180); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7, 8-dihydrobenzofuro [5, 4-d]thiazol-7-yl)methanol (181); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7, 8-dihydrobenzofuro [5, 4-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (182); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (183); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7, 8-dihydrobenzofuro [5, 4-d]thiazol-7-yl)methyl (3-cyanophenyl)carbamate (184); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5, 4-d]thiazol-7-yl)methyl pyrimidin-5-ylcarbamate (185); 
       2-(2-methoxy-7-methylquinoxalin-5-yl)-7,7-dimethyl-7, 8-dihydrobenzofuro [5,4-d]thiazol e (186); 
       (S)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methanol (187); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methanol (188); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-8-methyl-7, 8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methanol (189); 
       (S)-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)ethanol (190); Methyl ((2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)carbamate (191); Phenyl ((2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methy 1)carbamate (192); benzyl ((2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methy 1) carbamate (193); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (194); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (195); 
       (R)-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl(3-cyanophenyl) carbamate (196);
 ethyl((2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl) methyl)carbamate (197); Isobutyl ((2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methy 1)carbamate (198); 
 
       cis-5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-8-methyl-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methanol (199); 
       5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,7-dimethyl-7,8-dihydrobenzofuro[5,4-d]thiazole (200); 
       trans-5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-8-methyl-7,8-dihydrobenzofuro[5, 4-d]thiazol-7-yl)methanol (201); (S)-tert-butyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl)carbamate (202); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (3-(dimethylcarbamoyl)phenyl)carbamate (203); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (4-(dimethylcarbamoyl)phenyl)carbamate (204); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (5-carbamoylpyridin-3-yl)carbamate (205); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-8, 8-dimethyl-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methanol (206); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (4-(oxazol-2-yl)phenyl)carbamate (207); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl (4-(methylcarbamoyl)phenyl)carbamate (208); 
       (S)—N-((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)acetamide (209); (S)-methyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d] thiazol-7-yl)methyl)carbamate (210); (S)-benzyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d] thiazol-7-yl)methyl) carbamate (211); (S)-phenyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d] thiazol-7-yl)methyl)carbamate (212); (S)-p-tolyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl) carbamate (213); (S)-4-chlorophenyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)carbamate (214); 
       (S)-2,2,2-trifluoro-N-((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)acetamide (215); (S)-4-methoxyphenyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d] thiazol-7-yl)methyl)carbamate (216); 
       (R)—N-((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)-2-phenylacetamide (217); (R)-methyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl) carbamate (218); 
       (R)—N-((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)acetamide (219); (R)-phenyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d] thiazol-7-yl)methyl) carbamate (220); (R)-benzyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d] thiazol-7-yl)methyl)carbamate (221); 
       (R)-2,2,2-trifluoro-N-((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl)acetamide (222); (R)-tert-butyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)carbamate (223); (S)-isobutyl ((2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methy 1) carbamate (224); (S)-benzyl ((2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methy 1)carbamate (225); (S)-methyl ((2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methy 1) carbamate (226); (S)-tetrahydro-2H-pyran-4-yl ((2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methy 1)carbamate (227); 
       (S)—N-((2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro[5,4-d]thiazol-7-yl) methyl) methanesulfonamide (228); (Tetrahydrofuran-3-yl)methyl (((S)-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl)carbamate (229); (R)-tetrahydrofuran-3-yl (((S)-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)carbamate (230); (S)-3-cyanobenzyl ((2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methy 1) carbamate (231); (S)-pyridin-3-ylmethyl ((2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methy 1)carbamate (232); (S)-pyridin-4-ylmethyl ((2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methy 1) carbamate (233); Tetrahydro-2H-pyran-3-yl (((S)-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)carbamate (234); (Tetrahydro-2H-pyran-2-yl)methyl (((S)-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)carbamate (235); (S)-tetrahydrofuran-3-yl (((S)-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)carbamate (236); 
       (S)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl dihydrogen phosphate (237); ((7S,8S)-5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-8-methyl-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methanol (238); 
       ((7R,8R)-5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-8-methyl-7, 8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methanol (239); (S)-methyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl)carbamate (240); (S)-isobutyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7, 8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl) carbamate (241); (S)-tert-butyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl)carbamate (242); 
       (R)-1-((S)-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)ethanol(243); (S)-tert-butyl ((2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methy 1)carbamate (244); (S)-tetrahydro-2H-pyran-4-yl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl)carbamate (245); (S)-isobutyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)carbamate (246); (S)-2-fluoroethyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)carbamate (247); 
       (S)-1-((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl)-3-phenylurea (248); (S)-2,2,2-trifluoroethyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)carbamate (249); (S)-2-methoxyethyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)carbamate (250); 
       (R)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-methyl-7,8-dihydrobenzofuro[5, 4-d]thiazol-7-yl)methyl (2-(2-hydroxyethoxy)pyrimidin-5-yl)carbamate (251); 
       ((7R,8R)-5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-8-methyl-7, 8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl (2-(2-hydroxyethoxy)pyrimidin-5-yl)carbamate (252); 
       ((7S,8S)-2-(7-chloro-2-methoxyquinoxalin-5-yl)-5-fluoro-8-methyl-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl) methanol (253); 
       8-((7 S, 8S)-5-fluoro-7-(hydroxymethyl)-8-methyl-7, 8-dihydrobenzofuro [5,4-d]thiazol-2-yl)-3-methoxyquinoxaline-6-carbonitrile (254); Methyl (((7S,8S)-5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-8-methyl-7,8-dihydrobenzofuro[5,4-d] thiazol-7-yl)methyl)carbamate (255); Isobutyl (((7S,8S)-5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-8-methyl-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl) carbamate (256); 
       (S)-1-cyclopropyl-3-((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl)urea (257); 
       (S)—N-((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl) morpholine-4-carboxamide (258); 
       ((7S,8S)-2-(2-ethoxy-7-methylquinoxalin-5-yl)-5-fluoro-8-methyl-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methanol (259); (S)-ethyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl) methyl)carbamate (260); (S)-neopentyl ((5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl)carbamate (261); 
       1-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4] benzo[1,2-d]thiazol-4-yl)-2,2-dimethylpropan-1-ol (262); 
       1-(7-(2-methoxy-7-methylquinoxalin-5-yl)-[1,3]dioxolo [4′,5′:3,4]benzo[1,2-d]thiazol-5-yl)-2,2-dimethylpropan-1-ol (263); 
       1-(2-(2-methoxy-7-methylquinoxalin-5-yl)-8,9-dihydro-7H-[1,4] dioxepino[2′,3′: 3,4]benzo[1,2-d]thiazol-4-yl)-2,2-dimethylpropan-1-ol (264); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino [2′,3′:3,4] benzo [1,2-d]thiazol-4-yl)(1-(trifluoromethyl)cyclobutyl)methanol (265); 
       (R)-(2-(6-chloro-3-methoxyquinolin-8-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (266); 
       (R)-(2-(6-chloro-3-methoxyquinolin-8-yl)-5-fluoro-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl) methyl (2-methylpyrimidin-5-yl)carbamate (267); 
       (R)-(2-(3-methoxy-6-methylquinolin-8-yl)-7, 8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (268); 
       (R)-(5-fluoro-2-(3-methoxy-6-methylquinolin-8-yl)-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (269); 
       (R)-(2-(6-chloro-3-ethoxyquinolin-8-yl)-5-fluoro-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (270); 
       (R)-(2-(6-chloro-3-ethoxyquinolin-8-yl)-7, 8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo [1,2-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (271); 
       (R)-(2-(6-chloro-3-(difluoromethoxy)quinolin-8-yl)-7,8-dihydro-[1,4] dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (272); 
       (R)-(2-(6-chloro-3-(difluoromethoxy)quinolin-8-yl)-5-fluoro-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (273); 
       1-(2-(6-chloro-3-methoxyquinolin-8-yl)-7,8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-4-yl)-2,2-dimethylpropan-1-ol (274); 
       (R)-(2-(6-(difluoromethyl)-3-methoxyquinolin-8-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (275); 
       (R)-(2-(6-(fluoromethyl)-3-methoxyquinolin-8-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (276); 
       1-(2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino [2′,3′:3,4] benzo[1,2-d]thiazol-4-yl)-2,2-dimethylpropan-1-ol (277); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazol-4-yl)(1-methylcyclohexyl)methanol (278); 
       (2-(2-methoxy-7-methylquinoxalin-5-yl)-7,8-dihydro-[1,4] dioxino [2′,3′:3,4] benzo [1,2-d]thiazol-4-yl)(1-(trifluoromethyl)cyclopropyl)methanol (279); 
       (R)-(5-fluoro-2-(6-fluoro-3-methoxyquinolin-8-yl)-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl)carbamate (280); 
       (R)-(2-(6-fluoro-3-methoxyquinolin-8-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4] benzo [1,2-d]thiazol-7-yl)methyl (2-methylpyrimidin-5-yl) carbamate (281); 
       (R)-(2-(6-chloro-3-methoxyquinolin-8-yl)-5-fluoro-7,8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methanol (282); 
       (R)-(2-(6-chloro-3-methoxyquinolin-8-yl)-5-fluoro-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl pyridin-3-ylcarbamate (283); 
       (R)-(2-(6-chloro-3-methoxyquinolin-8-yl)-5-fluoro-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (3-carbamoylphenyl)carbamate (284); 
       (S)-(2-(6-chloro-3-methoxyquinolin-8-yl)-5-fluoro-7-methyl-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methanol (285); 
       (R)-(2-(6-chloro-3-methoxyquinolin-8-yl)-5-fluoro-7-methyl-7, 8-dihydrobenzofuro [5,4-d]thiazol-7-yl)methyl (2-(2-hydroxyethoxy)pyrimidin-5-yl)carbamate (286); 
       (R)-(2-(6-chloro-3-methoxyquinolin-8-yl)-7,8-dihydro-[1,4]dioxino [2′,3′:3,4] benzo[1,2-d]thiazol-7-yl)methyl (2-(2-hydroxyethoxy)pyrimidin-5-yl) carbamate (287); ((R)-2-(6-chloro-3-methoxyquinolin-8-yl)-7,8-dihydro-[1,4]dioxino [2′,3′: 3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-((S)-2-hydroxypropoxy)pyrimidin-5-yl) carbamate (288); ((R)-2-(6-chloro-3-methoxyquinolin-8-yl)-7,8-dihydro-[1,4]dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methyl (2-((R)-2-hydroxypropoxy)pyrimidin-5-yl)carbamate (289); 
       ((7S,8S)-2-(6-chloro-3-methoxyquinolin-8-yl)-5-fluoro-8-methyl-7,8-dihydrobenzofuro[5,4-d]thiazol-7-yl)methanol (290); 
       (S)-(5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7, 8-dihydro-[1,4] dioxino [2′,3′:3,4]benzo[1,2-d]thiazol-7-yl)methanol (291); and 
       (S)-5-fluoro-2-(2-methoxy-7-methylquinoxalin-5-yl)-7-(((2-methylpyrimidin-5-yl)oxy)methyl)-7,8-dihydro-[1,4]dioxino[2′,3′:3,4]benzo[1,2-d]thiazole (292). 
     
     
         7 . A pharmaceutical composition, which comprises a pharmaceutically acceptable carrier and a compound according to  claim 1  or a pharmaceutically acceptable salt thereof, alone or in combination with another therapeutic agent. 
     
     
         8 . A method for the treatment of a thromboembolic disorder or the primary prophylaxis of a thromboembolic disorder, which comprises the steps of administering to a patient in need thereof a therapeutically effective amount of a compound according to  claim 1  or a pharmaceutically acceptable salt thereof, wherein the thromboembolic disorder is selected from the group consisting of arterial cardiovascular thromboembolic disorders, venous cardiovascular thromboembolic disorders, and thromboembolic disorders in the chambers of the heart or in the peripheral circulation. 
     
     
         9 . The method according to  claim 8  wherein the thromboembolic disorder is selected from the group consisting of unstable angina, an acute coronary syndrome, atrial fibrillation, myocardial infarction, transient ischemic attack, stroke, atherosclerosis, peripheral occlusive arterial disease, venous thrombosis, deep vein thrombosis, thrombophlebitis, arterial embolism, coronary arterial thrombosis, cerebral arterial thrombosis, cerebral embolism, kidney embolism, pulmonary embolism, and thrombosis resulting from medical implants, devices, and procedures in which blood is exposed to an artificial surface that promotes thrombosis. 
     
     
         10 . A method of inhibiting or preventing platelet aggregation, which comprises the step of administering to a subject in need thereof a therapeutically effective amount of a compound according to  claim 1  or a salt thereof.

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