Aminochromane, aminothiochromane and amino-1,2,3,4-tetrahydroquinoline derivatives, pharmaceutical compositions containing them, and their use in therapy

Abstract

The present invention relates to aminochromane, aminothiochromane and amino-1,2,3,4-tetrahydroquinoline derivatives of the formula (I) or a physiologically tolerated salt thereof. The invention relates to pharmaceutical compositions comprising such aminochromane, aminothiochromane and amino-1,2,3,4-tetrahydroquinoline derivatives, and the use of such aminochromane, aminothiochromane and amino-1,2,3,4-tetrahydroquinoline derivatives for therapeutic purposes. The aminochromane, aminothiochromane and amino-1,2,3,4-tetrahydroquinoline derivatives are GlyT1 inhibitors.

We claim: 
     
         1 . Compounds of the formula (I) 
       
         
           
           
               
               
           
         
         wherein 
         A is a 5- or 6-membered ring; 
         R 1  is hydrogen, C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl-C 1 -C 4 -alkyl, halogenated C 1 -C 6 -alkyl, tri-(C 1 -C 4 -alkyl)-silyl-C 1 -C 4 -alkyl, hydroxy-C 1 -C 4 -alkyl, C 1 -C 6 -alkoxy-C 1 -C 4 -alkyl, amino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, di-C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylcarbonylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkyloxycarbonylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylaminocarbonylamino-C 1 -C 4 -alkyl, di-C 1 -C 6 -alkylaminocarbonylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylsulfonylamino-C 1 -C 4 -alkyl, (optionally substituted C 6 -C 12 -aryl-C 1 -C 6 -alkyl)amino-C 1 -C 4 -alkyl, optionally substituted C 6 -C 12 -aryl-C 1 -C 4 -alkyl, optionally substituted M 3 -M 12 -heterocyclyl-C 1 -C 4 -alkyl, C 3 -C 12 -cycloalkyl, C 1 -C 6 -alkylcarbonyl, C 1 -C 6 -alkoxycarbonyl, halogenated C 1 -C 6 -alkoxy carbonyl, C 6 -C 12 -aryloxycarbonyl, aminocarbonyl, C 1 -C 6 -alkylaminocarbonyl, (halogenated C 1 -C 4 -alkyl)aminocarbonyl, C 6 -C 12 -arylaminocarbonyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, optionally substituted C 6 -C 12 -aryl, hydroxy, C 1 -C 6 -alkoxy, halogenated C 1 -C 6 -alkoxy, C 1 -C 6 -hydroxyalkoxy, C 1 -C 6 -alkoxy-C 1 -C 4 -alkoxy, amino-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylamino-C 1 -C 4 -alkoxy, di-C 1 -C 6 -alkylamino-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylcarbonylamino-C 1 -C 4 -alkoxy, C 6 -C 12 -arylcarbonylamino-C 1 -C 4 -alkoxy, C 1 -C 6 -alkoxycarbonylamino-C 1 -C 4 -alkoxy, C 6 -C 12 -aryl-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylsulfonylamino-C 1 -C 4 -alkoxy, (halogenated C 1 -C 6 -alkyl)sulfonylamino-C 1 -C 4 -alkoxy, C 6 -C 12 -arylsulfonylamino-C 1 -C 4 -alkoxy, (C 6 -C 12 -aryl-C 1 -C 6 -alkyl)sulfonylamino-C 1 -C 4 -alkoxy, M 3 -M 12 -heterocyclylsulfonylamino-C 1 -C 4 -alkoxy, M 3 -M 12 -heterocyclyl-C 1 -C 4 -alkoxy, C 6 -C 12 -aryloxy, M 3 -M 12 -heterocyclyloxy, C 1 -C 6 -alkylthio, halogenated C 1 -C 6 -alkylthio, C 1 -C 6 -alkylamino, (halogenated C 1 -C 6 -alkyl)amino, di-C 1 -C 6 -alkylamino, di-(halogenated C 1 -C 6 -alkyl)amino, C 1 -C 6 -alkylcarbonylamino, (halogenated C 1 -C 6 -alkyl)carbonylamino, C 6 -C 12 -arylcarbonylamino, C 1 -C 6 -alkylsulfonylamino, (halogenated C 1 -C 6 -alkyl)sulfonylamino, C 6 -C 12 -arylsulfonylamino or optionally substituted M 3 -M 12 -heterocyclyl; 
         W is —NR 7 — or a bond; 
         A 1  is optionally substituted C 1 -C 4 -alkylene or a bond; 
         Q is —S(O) 2 — or —C(O)—; 
         Y is —NR 8 — or a bond; 
         n1 is 0, 1, 2, or 3; 
         n2 is 0, 1,2, or 3; 
         X 1  is >N— or >CH—; 
         R 6  is hydrogen, halogen, C 1 -C 4 -alkyl, halogenated C 1 -C 4 -alkyl, —CN, OH C 1 -C 6 -alkoxy or halogenated C 1 -C 6 -alkoxy, or two radicals R 6  together with the carbon atom to which they are attached form a carbonyl group; 
         R 2  is hydrogen, halogen, C 1 -C 6 -alkyl, halogenated C 1 -C 4 -alkyl, —CN, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, optionally substituted C 6 -C 12 -aryl, hydroxy, C 1 -C 6 -alkoxy, halogenated C 1 -C 6 -alkoxy, C 1 -C 6 -alkoxycarbonyl, C 2 -C 6 -alkenyloxy, C 6 -C 12 -aryl-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylcarbonyloxy, C 1 -C 6 -alkylthio, C 1 -C 6 -alkylsulfinyl, C 1 -C 6 -alkylsulfonyl, aminosulfonyl, amino, C 1 -C 6 -alkylamino, C 2 -C 6 -alkenylamino, nitro or optionally substituted M 3 -M 12 -heterocyclyl, or two radicals R 2  together with the ring atoms of A to which they are bound form a 5- or 6 membered ring; 
         A 2  is —O—, —S— or —NR 9 —; 
         R 3  is hydrogen, halogen, C 1 -C 6 -alkyl or C 1 -C 6 -alkoxy, or two radicals R 3  together with the carbon atom to which they are attached form a carbonyl group; 
         Y 1  is a bond or optionally substituted C 1 -C 4 -alkylene; 
         R 4a  is hydrogen, C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl-C 1 -C 4 -alkyl, halogenated C 1 -C 4 -alkyl, hydroxy-C 1 -C 4 -alkyl, C 1 -C 6 -alkoxy-C 1 -C 4 -alkyl, amino-C 1 -C 4 -alkyl, —CH 2 CN, C 6 -C 12 -aryl-C 1 -C 4 -alkyl, optionally substituted C 3 -C 12 -cycloalkyl, —CHO, C 1 -C 4 -alkylcarbonyl, (halogenated C 1 -C 4 -alkyl)carbonyl, C 6 -C 12 -arylcarbonyl, C 1 -C 4 -alkoxycarbonyl, C 6 -C 12 -aryloxycarbonyl, C 1 -C 6 -alkylaminocarbonyl, C 2 -C 6 -alkenyl, —C(═NH)NH 2 , —C(═NH)NHCN, C 1 -C 6 -alkylsulfonyl, C 6 -C 12 -arylsulfonyl, amino, —NO or optionally substituted M 3 -M 12 -heterocyclyl; or 
         R 4a  is optionally substituted C 1 -C 4 -alkylene that is bound to a carbon atom in Y 1 ; 
         R 4b  is hydrogen, C 1 -C 6 -alkyl, halogenated C 1 -C 4 -alkyl, hydroxy-C 1 -C 4 -alkyl, C 1 -C 6 -alkoxy-C 1 -C 4 -alkyl, amino-C 1 -C 4 -alkyl, —CH 2 CN, —CHO, C 1 -C 4 -alkylcarbonyl, (halogenated C 1 -C 4 -alkyl)carbonyl, C 6 -C 12 -arylcarbonyl, C 1 -C 4 -alkoxy carbonyl, C 6 -C 12 -aryloxycarbonyl, C 1 -C 6 -alkylaminocarbonyl, C 2 -C 6 -alkenyl, —C(═NH)NH 2 , —C(═NH)NHCN, C 1 -C 6 -alkylsulfonyl, C 6 -C 12 -arylsulfonyl, amino, —NO or M 3 -M 12 -heterocyclyl; or 
         R 4a , R 4b    
          together are optionally substituted C 2 -C 6 -alkylene, wherein one —CH 2 — of C 2 -C 6 -alkylene may be replaced by an oxygen atom or —NR 10 ; 
         X 2  is —O—, —NR 11a —, —S—, >CR 12a R 12b  or a bond; 
         X 3  is —O—, —NR 11b —, —S—, >CR 13a R 13b  or a bond; 
         R 5  is optionally substituted C 6 -C 12 -aryl, optionally substituted C 3 -C 12 -cycloalkyl or optionally substituted M 3 -M 12 -heterocyclyl; 
         R 7  is hydrogen or C 1 -C 6 -alkyl; 
         R 8  is hydrogen, C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl, amino-C 1 -C 6 -alkyl, optionally substituted C 6 -C 12 -aryl-C 1 -C 4 -alkyl or M 3 -M 12 -heterocyclyl; or 
         R 8 , R 1    
          together are C 1 -C 4 -alkylene; 
         R 9  is hydrogen, C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl-C 1 -C 4 -alkyl, halogenated C 1 -C 4 -alkyl, hydroxy-C 1 -C 4 -alkyl, C 1 -C 6 -alkoxy-C 1 -C 4 -alkyl, amino-C 1 -C 4 -alkyl, CH 2 CN, C 6 -C 12 -aryl-C 1 -C 4 -alkyl, C 3 -C 12 -cycloalkyl, —CHO, C 1 -C 4 -alkylcarbonyl, (halogenated C 1 -C 4 -alkyl)carbonyl, C 6 -C 12 -arylcarbonyl, C 1 -C 4 -alkoxycarbonyl, C 6 -C 12 -aryloxycarbonyl, C 1 -C 6 -alkylaminocarbonyl, C 2 -C 6 -alkenyl, —C(═NH)NH 2 , —C(═NH)NHCN, C 1 -C 6 -alkylsulfonyl, C 6 -C 12 -arylsulfonyl, amino, —NO or M 3 -M 12 -heterocyclyl; 
         R 10  is hydrogen or C 1 -C 6 -alkyl; 
         R 11a  is hydrogen or C 1 -C 6 -alkyl; 
         R 11b  is hydrogen or C 1 -C 6 -alkyl; 
         R 12a  is hydrogen, optionally substituted C 1 -C 6 -alkyl, C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, di-C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, M 3 -M 12 -heterocyclyl-C 1 -C 6 -alkyl, optionally substituted C 6 -C 12 -aryl or hydroxy; 
         R 12b  is hydrogen or C 1 -C 6 -alkyl, or 
         R 12a , R 12b    
          together with the carbon atom to which they are attached form a carbonyl or are optionally substituted C 2 -C 4 -alkylene, wherein one —CH 2 — of C 2 -C 4 -alkylene may be replaced by an oxygen atom or —NR 14 —; 
         R 13a  is hydrogen, optionally substituted C 1 -C 6 -alkyl, C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, di-C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, M 3 -M 12 -heterocyclyl-C 1 -C 6 -alkyl, optionally substituted C 6 -C 12 -aryl or hydroxy; 
         R 13b  is hydrogen or C 1 -C 6 -alkyl, or 
         R 13a , R 13b    
          together with the carbon atom to which they are attached form a carbonyl or are optionally substituted C 2 -C 4 -alkylene, wherein one —CH 2 — of C 2 -C 4 -alkylene may be replaced by an oxygen atom or —NR 15 —; 
         R 14  is hydrogen or C 1 -C 6 -alkyl; and 
         R 15  is hydrogen or C 1 -C 6 -alkyl, 
         or a physiologically tolerated salt thereof. 
       
     
     
         2 . Compound as claimed in  claim 1 , wherein A is a benzene ring or a ring selected from the group consisting of the following 5- or 6-membered heterocyclic rings: 
       
         
           
           
               
               
           
         
       
     
     
         3 . Compound as claimed in  claim 1 , wherein R 1  is C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl-C 1 -C 4 -alkyl, or C 3 -C 12 -cycloalkyl. 
     
     
         4 . Compound as claimed in  claim 1 , wherein W is a bond and A 1  is a bond. 
     
     
         5 . Compound as claimed in  claim 1 , wherein Q is —S(O) 2 —. 
     
     
         6 . Compound as claimed in  claim 1 , wherein at least one of n1 and n2 is 1, 2, or 3 and the sum of n1+n2 is 2, 3, or 4. 
     
     
         7 . Compound as claimed in  claim 1 , wherein X 1  is >N—, n1 is 1, and n2 is 1; or X 1  is >CH—, n1 is 1, and n2 is 1. 
     
     
         8 . Compound as claimed in  claim 1 , wherein R 6  is hydrogen or C 1 -C 4 -alkyl, or two radicals R 6  together with the carbon atom to which they are attached form a carbonyl group. 
     
     
         9 . Compound as claimed in  claim 1 , having the formula 
       
         
           
           
               
               
           
         
         wherein R 1 , W, A 1 , Q, Y, n1, n2, X 1 , R 6 , R 2 , A 2 , R 3 , Y 1 , R 4a , R 4b , X 2 , X 3 , R 5  are as defined in  claim 1 . 
       
     
     
         10 . Compound as claimed in  claim 1 , wherein R 2  is hydrogen or halogen. 
     
     
         11 . Compound as claimed in  claim 1 , wherein A 2  is —O—. 
     
     
         12 . Compound as claimed in  claim 1 , wherein R 3  is hydrogen or C 1 -C 6 -alkyl. 
     
     
         13 . Compound as claimed in  claim 1 , wherein Y 1  is a bond. 
     
     
         14 . Compound as claimed in  claim 1 , wherein R 4a  is hydrogen, C 1 -C 6 -alkyl, optionally substituted C 3 -C 12 -cycloalkyl, C 3 -C 12 -cycloalkyl-C 1 -C 4 -alkyl, or M 3 -M 12 -heterocyclyl and R 4b  is hydrogen or C 1 -C 6 -alkyl; or wherein R 4a , R 4b  together are optionally substituted C 2 -C 6 -alkylene, wherein one —CH 2 — of C 2 -C 6 -alkylene may be replaced by an oxygen atom. 
     
     
         15 . Compound as claimed in  claim 1  wherein X 2  is >CR 12a R 12b , X 3  is a bond, and R 12a  is hydrogen or C 1 -C 6 -alkyl and R 12b  is hydrogen or C 1 -C 6 -alkyl. 
     
     
         16 . Compound as claimed in  claim 1 , having the formula 
       
         
           
           
               
               
           
         
         wherein A, R 1 , W, A 1 , Q, Y, n1, n2, X 1 , R 6 , R 2 , R 3 , A 2 , Y 1 , R 4a , R 4b , X 2 , X 3  are as defined in any one of  claims 1  to  1 ; and 
         R 16a , R 16b , R 16c , R 16d , R 16e    
          independently are hydrogen, halogen, or halogenated C 1 -C 6 -alkyl. 
       
     
     
         17 . Compound as claimed in  claim 1 , wherein
 A is a benzene ring;   R 1  is C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl-C 1 -C 4 -alkyl, or an optionally substituted M 3 -M 12 -heterocyclyl;   W is a bond;   A 1  is a bond;   Q is —S(O) 2 —;   Y is —NR 8 —;   n1 is 1;   n2 is 1;   R 6  is hydrogen;   X 1  is ->N— or >CH—;   R 2  is hydrogen or halogen;   A 2  is —O—;   R 3  is hydrogen;   Y 1  is a bond;   R 4a  is hydrogen, C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl-C 1 -C 4 -alkyl, or C 3 -C 12 -cycloalkyl;   R 4b  is hydrogen or C 1 -C 6 -alkyl; or   R 4a , R 4b       together are C 2 -C 6 -alkylene;   X 2  is >CR 12a R 12b ;   X 3  is a bond;   R 5  is optionally substituted phenyl;   R 8  is hydrogen;   R 12a  is hydrogen; and   R 12b  is hydrogen.   
     
     
         18 . The compound as claimed in  claim 1  which is:
 N-[1-[3-(azetidin-1-yl)-4-benzyl-chroman-6-yl]azetidin-3-yl]-1-methyl-imidazole-4-sulfonamide; 
 Cis-N-(1-(3-(azetidin-1-yl)-4-benzylchroman-6-yl)azetidin-3-yl)ethanesulfonamide; 
 Cis-N-(1-(3-(azetidin-1-yl)-4-benzylchroman-6-yl)azetidin-3-yl)propane-1-sulfonamide; 
 Cis-N-(1-(3-(azetidin-1-yl)-4-benzylchroman-6-yl)azetidin-3-yl)-1-cyclopropylmethanesulfonamide; 
 Cis-N-(1-(3-(azetidin-1-yl)-4-benzylchroman-6-yl)azetidin-3-yl)-1-methyl-1H-pyrazole-4-sulfonamide; 
 Cis-N-(1-(3-(azetidin-1-yl)-4-benzylchroman-6-yl)azetidin-3-yl)-1-methyl-1H-1,2,3-triazole-4-sulfonamide; 
 Cis-N-(1-(3-(azetidin-1-yl)-4-benzyl-7-fluorochroman-6-yl)azetidin-3-yl)-1-ethyl-1H-1,2,3-triazole-4-sulfonamide; 
 Cis-N-(1-(3-(azetidin-1-yl)-4-benzyl-7-fluorochroman-6-yl)azetidin-3-yl)-2-fluoropyridine-3-sulfonamide; 
 Cis-N-(1-(3-(azetidin-1-yl)-4-benzyl-7-fluorochroman-6-yl)azetidin-3-yl)pyridazine-3-sulfonamide; 
 Cis-N-(1-(3-(azetidin-1-yl)-4-benzylchroman-6-yl)azetidin-3-yl)-2-fluoropyridine-3-sulfonamide; 
 Cis-N-(1-(4-benzyl-3-(methylamino)chroman-6-yl)azetidin-3-yl)propane-1-sulfonamide; 
 Cis-N-(1-(-4-benzyl-3-(methylamino)chroman-6-yl)azetidin-3-yl)ethanesulfonamide; 
 Cis-N-(1-(4-benzyl-3-(methylamino)chroman-6-yl)azetidin-3-yl)-1-cyclopropylmethanesulfonamide; 
 Cis-N-(1-(4-benzyl-7-fluoro-3-(methylamino)chroman-6-yl)azetidin-3-yl)ethanesulfonamide; 
 Trans-N-(1-(4-benzyl-7-fluoro-3-(methylamino)chroman-6-yl)azetidin-3-yl)ethanesulfonamide; 
 Cis-N-(1-(4-benzyl-7-fluoro-3-(methylamino)chroman-6-yl)azetidin-3-yl)-1-methyl-1H-imidazole-4-sulfonamide; 
 Trans-N-(1-(4-benzyl-7-fluoro-3-(methylamino)chroman-6-yl)azetidin-3-yl)-1-methyl-1H-imidazole-4-sulfonamide; 
 Cis-N-(1-(4-benzyl-7-fluoro-3-(methylamino)chroman-6-yl)azetidin-3-yl)propane-1-sulfonamide; 
 Trans-N-(1-(4-benzyl-7-fluoro-3-(methylamino)chroman-6-yl)azetidin-3-yl)propane-1-sulfonamide; 
 Cis-N-(1-(4-benzyl-7-fluoro-3-(methylamino)chroman-6-yl)azetidin-3-yl)-1-methyl-1H-pyrazole-4-sulfonamide; 
 Trans-N-(1-(4-benzyl-7-fluoro-3-(methylamino)chroman-6-yl)azetidin-3-yl)-1-methyl-1H-pyrazole-4-sulfonamide; 
 Cis-N-(1-(4-benzyl-7-fluoro-3-(methylamino)chroman-6-yl)azetidin-3-yl)-1-methyl-1H-1,2,3-triazole-4-sulfonamide; 
 Trans-N-(1-(4-benzyl-7-fluoro-3-(methylamino)chroman-6-yl)azetidin-3-yl)-1-methyl-1H-1,2,3-triazole-4-sulfonamide; 
 Cis-N-(1-(4-benzyl-7-fluoro-3-(methylamino)chroman-6-yl)azetidin-3-yl)-1-cyclopropylmethanesulfonamide; 
 Trans-N-(1-(4-benzyl-7-fluoro-3-(methylamino)chroman-6-yl)azetidin-3-yl)-1-cyclopropylmethanesulfonamide; 
 Cis-N-(1-(3-amino-4-benzylchroman-6-yl)azetidin-3-yl)propane-1-sulfonamide; 
 Cis-N-(1-(3-amino-4-benzylchroman-6-yl)azetidin-3-yl)-1-cyclopropylmethanesulfonamide; 
 Cis-1-(4-benzyl-7-fluoro-6-(3-(5-fluoropyridine-3-sulfonamido)azetidin-1-yl)chroman-3-yl)azetidin-1-ium (E)-3-carboxyacrylate; 
 Cis-N-(1-(4-benzyl-3-(propylamino)chroman-6-yl)azetidin-3-yl)propane-1-sulfonamide; 
 Cis-N-(1-(4-benzyl-3-(diethylamino)chroman-6-yl)azetidin-3-yl)propane-1-sulfonamide; 
 Cis-N-(1-(4-benzyl-3-((cyclopropylmethyl)amino)chroman-6-yl)azetidin-3-yl)propane-1-sulfonamide; and 
 Cis-N-(1-(4-benzyl-3-(cyclobutylamino)chroman-6-yl)azetidin-3-yl)propane-1-sulfonamide, 
 or a physiologically tolerated salt thereof. 
 
     
     
         19 . Pharmaceutical composition which comprises a carrier and a compound of  claim 1 . 
     
     
         20 . A method for inhibiting the glycine transporter GlyT1 in a mammal in need thereof which comprises the administration of an effective amount of a compound of  claim 1 .