US2008108618A1PendingUtilityA1

Compounds with activity on muscarinic receptors

Assignee: BRANN MARKPriority: Mar 31, 1998Filed: Oct 31, 2007Published: May 8, 2008
Est. expiryMar 31, 2018(expired)· nominal 20-yr term from priority
C07D 211/00A61P 25/00C07D 211/22C07D 211/26C07D 265/32C07D 211/20C07D 213/50C07D 295/108
57
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Claims

Abstract

Compounds and methods are provided for the alleviation or treatment of diseases or conditions in which modification of muscarinic m1 receptor activity has a beneficial effect. In the method, a therapeutically effective amount of a selective muscarinic m1 agonist compound is administered to a patient in need of such treatment.

Claims

exact text as granted — not AI-modified
1 . A compound of formula (I):  
       
         
           
           
               
               
           
         
         wherein  
         X 1 , X 2 , X 3 , X 4  and X 5  are selected from C, N and O;  
         k is 0 or 1;  
         t is 0, 1 or 2;  
         R 1  is straight or branched-chain C 1-8  alkyl, C 2-8  alkenyl, C 1-8  alkynyl, C 1-8  alkylidene, C 1-8  alkoxy, C 1-8  heteroalkyl, C 1-8  aminoalkyl, C 1-8  haloalkyl, C 1-8  alkoxycarbonyl, C 1-8  hydroxyalkoxy, C 1-8  hydroxyalkyl, —SH, C 1-8  alkylthio, —O—CH 2 —C 5-6  aryl, —C(O)—C 5-6  aryl substituted with C 1-3  alkyl or halo; C 5-6  aryl or C 5-6  cycloalkyl optionally comprising 1 or more heteroatoms selected from N, S and O; —C(O)NR 3 R 4 , —NR 3 R 4 , —NR 3 C(O)NR 4 R 5 , —CR 3 R 4 , —OC(O)R 3 , —(O)(CH 2 ) s NR 3 R 4  or —(CH 2 ) s NR 3 R 4 ; where R 3 , R 4  and R 5  are the same or different, each independently being selected from H, C 1-6  alkyl; C 5-6  aryl optionally comprising 1 or more heteroatoms selected from N, O and S, and optionally substituted with halo or C 1-6  alkyl; C 3-6  cycloalkyl; or R 3  and R 4  together with the N atom, when present, form a cyclic ring structure comprising 5-6 atoms selected from C, N, S and O; and s is an integer from 0 to 8;  
         A is C 5-12  aryl or C 5-7  cycloalkyl, each optionally comprising 1 or more heteroatoms selected from N, S and O;  
         R 2  is H, amino, hydroxyl, halo, or straight or branched-chain C 1-6  alkyl, C 2-6  alkenyl, C 2-6  alkynyl, C 1-6  alkoxy, C 1-6  heteroalkyl, C 1-6  aminoalkyl, C 1-6  haloalkyl, C 1-6  alkoxycarbonyl, C 1-6  alkylthio, —CN, —CF 3 , —OR 3 , —COR 3 , NO 2 , —NHR 3 , —NHC(O)R 3 , —C(O)NR 3 R 4 , —NR 3 R 4 , —NR 3 C(O)NR 4 R 5 , —OC(O)R 3 , —C(O)R 3 R 4 , —O(CH 2 ) q NR 3 , —CNR 3 R 4  or —(CH 2 ) q NR 3 R 4 ; where q is an integer from 1 to 6;  
         n is 0, 1, 2, 3 or 4, the groups R 2 , when n>1, being the same or different;  
         p is 0 or an integer from 1 to 5;  
         Y is O, S, CHOH, —NHC(O)—, —C(O)NH—, —C(O)—, —OC(O)—, NR 7  or —CH═N—, and R 7  is H or C 1-4  alkyl; or absent;  
         Z is CR 8 R 9  wherein R 8  and R 9  are independently selected from H, and straight or branched-chain C 1-8  alkyl;  
         provided where —(CH 2 ) p —Y— is —(CH 2 ) 3 —C(O)— or —(CH 2 ) 3 —S—; and X 1  through X 5  are C; that -A-(R 2 ) n  and R 1  are not together:  
         o-methyl-phenyl and n-butyl, respectively;  
         phenyl and n-butyl, respectively; or  
         p-fluoro-phenyl and —O—(CH 2 ) 2 CH 3 , respectively; or 
 a pharmaceutically acceptable salt, ester or prodrug thereof.  
 
       
     
     
         2 . The compound of  claim 1 , wherein: 
 X 1 , X 2 , X 3 , X 4  and X 5  are C; or one of X 1 , X 2 , X 3 , X 4  or X 5  is O or N and the others are C;    k is 0 or 1;    t is 1;    R 1  is straight or branched-chain C 1-8  alkyl, C 2-9  alkenyl, C 2-8  alkynyl, C 1-8  alkylidene, C 1-8  alkoxy, C 1-8  aminoalkyl, C 1-8  haloalkyl, C 1-8  alkoxycarbonyl, —C(O)NR 3 R 4 , —NR 3 R 4 , —NR 3 C(O)NR 4 R 5 , —OC(O)R 3 , or —(CH 2 ) s NR 3 R 4 ; where R 3 , R 4  and R 5  are the same or different, each independently being selected from H and C 1  alkyl; and s is an integer from 1 to 8;    n is 1, 2 or 3; and    A is phenyl or naphthyl;    where R 2  is straight or branched-chain C 1-6  alkyl, C 2-6  alkenyl, C 2-6  alkynyl, C 1-6  alkoxy, C 1-6  aminoalkyl, C 1-6  haloalkyl, C 1-6  alkoxycarbonyl, —CN, —CF 3 , —OH, —COR 3 , —NHR 3 , —NHC(O)R 3 , —C(O)NR 3 R 4 , —NR 3 R 4 , —NR 3 C(O)NR 4 R 5 , —OC(O)R 3 , or —CH 2 ) q NR 3 R 4 ; where q is an integer from 1 to 6; or    A is aryl comprising 1 or more heteroatoms selected from N, S and O;    R 2  is H, halo, straight or branched-chain C 1-6  alkyl, C 2-6  alkenyl, C 2-6  alkynyl, C 1-6  alkoxy, C 1-6  heteroalkyl, C 1-6  aminoalkyl, C 1-6  haloalkyl, C 1-6  alkoxycarbonyl, —CN, —CF 3 , OH, —COR 3 , —NHR 3 , —NHC(O)R 3 , —C(O)NR 3 R 4 , —NR 3 R 4 , —NR 3 C(O)NR 4 R 5 , —OC(O)R 3  or —(CH 2 ) q NR 3 R 4 ; or    a pharmaceutically acceptable salt, ester or prodrug thereof.    
     
     
         3 . A compound of  claim 1  or  2 , wherein p is 3.  
     
     
         4 . A compound of  claim 1  or  2 , wherein k is 0.  
     
     
         5 . The compound of  claim 1:   
       
         
           
           
               
               
           
         
       
     
     
         6 . The compound of  claim 5:   
       
         
           
           
               
               
           
         
       
     
     
         7 . A compound of  claim 6 , wherein t is 1 and Y is —C(O)—, —NHC(O)—, S, O or —OC(O)—.  
     
     
         8 . The compound of  claim 7 , wherein X 3  is C.  
     
     
         9 . The compound of  claim 8 , wherein R 1  is alkyl.  
     
     
         10 . The compound of  claim 9 , wherein R 2  is alkyl, aminoalkyl, alkoxy or hydroxyl.  
     
     
         11 . A compound of  claim 10 , wherein p is 3.  
     
     
         12 . A compound of  claim 11 , wherein R 1  is C 2-8  alkyl and R 2  is methyl, hydroxyl or alkoxy.  
     
     
         13 . A compound of  claim 12 , wherein Y is —C(O)— or O.  
     
     
         14 . The compound of  claim 9 , wherein R 2  is halo.  
     
     
         15 . The compound of  claim 6 , wherein t is 0.  
     
     
         16 . The compound of  claim 8 , wherein R 1  is alkoxy.  
     
     
         17 . The compound of  claim 8 , wherein R 1  is benzyl or phenyl.  
     
     
         18 . The compound of  claim 7 , wherein X 3  is N.  
     
     
         19 . The compound of  claim 18 , wherein R 1  is alkyl or alkoxy.  
     
     
         20 . The compound of  claim 18 , wherein R 1  is benzyl or phenyl.  
     
     
         21 . The compound of  claim 19 , wherein R 2  is alkyl or alkoxy.  
     
     
         22 . The compound of  claim 20 , wherein R 2  is alkyl or alkoxy.  
     
     
         23 . The compound of  claim 7 , wherein X 3  is O.  
     
     
         24 . The compound of  claim 23 , wherein R 1  is alkyl.  
     
     
         25 . The compound of  claim 24 , wherein R 2  is alkyl or alkoxy.  
     
     
         26 . The compound of  claim 24 , wherein R 2  is halo.  
     
     
         27 . The compound of  claim 5:   
       
         
           
           
               
               
           
         
       
     
     
         28 . A compound of  claim 27 , wherein Y is —C(O)—, —NHC(O)—, S, O or —OC(O)—.  
     
     
         29 . The compound of  claim 28 , wherein X 3  is C.  
     
     
         30 . The compound of  claim 29 , wherein R 1  is alkyl.  
     
     
         31 . The compound of  claim 30 , wherein R 2  is alkyl, aminoalkyl, alkoxy or hydroxyl.  
     
     
         32 . A compound of  claim 31 , wherein p is 3.  
     
     
         33 . A compound of  claim 32 , wherein R 1  is C 2-8  alkyl and R 2  is methyl, hydroxyl or alkoxy.  
     
     
         34 . A compound of  claim 33 , wherein Y is —C(O)— or O.  
     
     
         35 . The compound of  claim 30 , wherein R 2  is halo.  
     
     
         36 . The compound of  claim 27 , wherein t is 0.  
     
     
         37 . The compound of  claim 29 , wherein R 1  is alkoxy.  
     
     
         38 . The compound of  claim 29 , wherein R 1  is benzyl or phenyl.  
     
     
         39 . The compound of  claim 28 , wherein X 3  is N.  
     
     
         40 . The compound of  claim 39 , wherein R 1  is alkyl or alkoxy.  
     
     
         41 . The compound of  claim 39 , wherein R 1  is benzyl or phenyl.  
     
     
         42 . The compound of  claim 40 , wherein R 2  is alkyl or alkoxy.  
     
     
         43 . The compound of  claim 41 , wherein R 2  is alkyl or alkoxy.  
     
     
         44 . The compound of  claim 28 , wherein X 3  is O.  
     
     
         45 . The compound of  claim 44 , wherein R 1  is alkyl.  
     
     
         46 . The compound of  claim 45 , wherein R 2  is alkyl or alkoxy.  
     
     
         47 . The compound of  claim 45 , wherein R 2  is halo.  
     
     
         48 . A method of agonizing a muscarinic receptor comprising contacting said receptor with an effective amount of a compound of formula (I):  
       
         
           
           
               
               
           
         
         wherein  
         X 1 , X 2 , X 3 , X 4  and X 5  are selected from C, N and O;  
         k is 0 or 1;  
         t is 0 or 1;  
         R 1  is straight or branched-chain C 1-8  alkyl, C 2-8  alkenyl, C 2-8  alkynyl, C 1-8  alkylidene, C 1-8  alkoxy, C 1-8  heteroalkyl, C 1-8  aminoalkyl, C 1-8  haloalkyl, C 1-8  alkoxycarbonyl, C 1-8  hydroxyalkoxy, C 1-9  hydroxyalkyl, —SH, C is thioalkyl, —O—CH 2 —C 5-6  aryl, —C(O)—C 5-6  aryl substituted with C 1-3  alkyl or halo; C 5-6  aryl or C 5-6  cycloalkyl optionally comprising 1 or more heteroatoms selected from N, S and O (89620); —C(O)NR 3 R 4 , —NR 3 R 4 , —NR 3 C(O)NR 4 R 5 , —CR 3 R 4 , —OC(O)R 3 , —C(O)(CH 2 ) s NR 3 R 4  or —(CH 2 ) s NR 3 R 4 ; where R 3 , R 4  and R 5  are the same or different, each independently being selected from H, C 1-6  alkyl; C 5-6  aryl optionally comprising 1 or more heteroatoms selected from N, O and S, and optionally substituted with halo or C 1-6  alkyl; C 3-6  cycloalkyl; or R 3  and R 4  together with the N atom, when present, form a cyclic ring structure comprising 5-6 atoms selected from C, N, S and O; and s is an integer from 0 to 8;  
         A is C 5-12  aryl or C 5-7  cycloalkyl, each optionally comprising 1 or more heteroatoms selected from N, S and O;  
         R 2  is H, amino, hydroxyl, halo, or straight or branched-chain C 1-6  alkyl, C 2-6  alkenyl, C 2-6  alkynyl, C 1-6  alkoxy, C 1-6  heteroalkyl, C 1-6  aminoalkyl, C 1-6  haloalkyl, C 1-6  alkoxycarbonyl, —CN, —CF 3 , —OR 3 , —COR 3 , NO 2 , —NHR 3 , —NHC(O)R 3 , —C(O)NR 3 R 4 , —NR 3 R 4 , —NR 3 C(O)NR 4 R 5 , —OC(O)R 3 , —C(O)R 3 R 4 , —O(CH 2 ) q NR 3 , —CNR 3 R 4  or —(CH 2 ) q NR 3 R 4 ; where q is an integer from 1 to 6;  
         n is 0, 1, 2, 3 or 4, the groups R 2 , when n>1, being the same or different;  
         p is 0 or an integer from 1 to 5;  
         Y is O, S, CHOH, —NHC(O)—, —C(O)NH—, —C(O)—, —OC(O)—, NR 7  or —CH═N—, and R 7  is H or C 1-4  alkyl; or absent; and  
         Z is CR 8 R 9  wherein R 5  and R 9  are independently selected from H, and straight or branched chain C 1-8  alkyl; or  
         a pharmaceutically acceptable salt, ester or prodrug thereof.  
       
     
     
         49 . A method of  claim 48:   
       
         
           
           
               
               
           
         
       
     
     
         50 . A method of  claim 49 , wherein t is 1 and Y is —C(O)—, —NHC(O)—, S, O or —OC(O)—.  
     
     
         51 . The method of  claim 50 , wherein X 3  is C.  
     
     
         52 . The method of  claim 51 , wherein R 1  is alkyl.  
     
     
         53 . The method of  claim 52 , wherein R 2  is alkyl, aminoalkyl, alkoxy or hydroxyl.  
     
     
         54 . A method of  claim 53 , wherein p is 3.  
     
     
         55 . A method of  claim 54 , wherein R 1  is C 2-8  alkyl and R 2  is methyl, hydroxyl or alkoxy.  
     
     
         56 . A method of  claim 55 , wherein Y is —C(O)— or 0.  
     
     
         57 . The method of  claim 52 , wherein R 2  is halo.  
     
     
         58 . The method of  claim 49 , wherein t is 0.  
     
     
         59 . The method of  claim 51 , wherein R 1  is alkoxy.  
     
     
         60 . The method of  claim 51 , wherein R 1  is benzyl or phenyl.  
     
     
         61 . The method of  claim 52 , wherein X 3  is N.  
     
     
         62 . The method of  claim 61 , wherein R 1  is alkyl or alkoxy.  
     
     
         63 . The method of  claim 61 , wherein R 1  is benzyl or phenyl.  
     
     
         64 . The method of  claim 62 , wherein R 2  is alkyl or alkoxy.  
     
     
         65 . The method of  claim 63 , wherein R 2  is alkyl or alkoxy.  
     
     
         66 . The method of  claim 50 , wherein X 3  is O.  
     
     
         67 . The method of  claim 66 , wherein R 1  is alkyl.  
     
     
         68 . The method of  claim 67 , wherein R 2  is alkyl or alkoxy.  
     
     
         69 . The method of  claim 67 , wherein R 2  is halo.  
     
     
         70 . A pharmaceutical composition comprising an effective amount of a compound of formula (I):  
       
         
           
           
               
               
           
         
         wherein  
         X 1 , X 2 , X 3 , X 4  and X 5  are selected from C, N and O;  
         k is 0 or 1;  
         t is 0 or 1;  
         R 1  is straight or branched-chain C 1-8  alkyl, C 2-8  alkenyl, C 2-8  alkyl, C 1-8  alkylidene, C 1-8  alkoxy, C 1-8  heteroalkyl, C 1-8  aminoalkyl, C 1-8  haloalkyl, C 1-8  alkoxycarbonyl, C 1-8  hydroxyalkoxy, C 1-8  hydroxyalkyl, —SH, C 1-8  thioalkyl, —O—CH 2 —C 5-6  aryl, —C(O)—C 5-6  aryl substituted with C 1-3  alkyl or halo; C 5-6  aryl or C 5-6  cycloalkyl optionally comprising 1 or more heteroatoms selected from N, S and O; —C(O)NR 3 R 4 , —NR 3 R 4 , —NR 3 C(O)NR 4 R 5 , —CR 3 R 4 , —OC(O)R 3 , —C(O)(CH 2 ) s NR 3 R 4  or —(CH 2 ) s NR 3 R 4 ; where R 3 , R 4  and R 5  are the same or different, each independently being selected from H, C 1-6  alkyl; C 5-6  aryl optionally comprising 1 or more heteroatoms selected from N, O and S, and optionally substituted with halo or C 1-4  alkyl; C 3-6  cycloalkyl; or R 3  and R 4  together with the N atom, when present, form a cyclic ring structure comprising 5-6 atoms selected from C, N, S and O; and s is an integer from 0 to 8;  
         A is C 5-12  aryl or C 5-7  cycloalkyl, each optionally comprising 1 or more heteroatoms selected from N, S and O;  
         R 2  is H, amino, hydroxyl, halo, or straight or branched-chain C 1  alkyl, C 2-6  alkenyl, C 2-6  alkynyl, C 1-4  alkoxy, C 1-6  heteroalkyl, C 1-6  aminoalkyl, C 1-6  haloalkyl, C 1-6 alkoxycarbonyl, —CN, —CF 3 , —OR 3 , —COR 3 , NO 2 , —NHR 3 , —NHC(O)R 3 , —C(O)NR 3 R 4 , —NR 3 R 4 , —NR 3 C(O)NR 4 R 5 , —OC(O)R 3 , —C(O)R 3 R 4 , —O(CH 2 ) q NR 3 , —CNR 3 R 4  or —(CH 2 ) q NR 3 R 4 ; where q is an integer from 1 to 6;  
         n is 0, 1, 2, 3 or 4, the groups R 2 , when n>1, being the same or different;  
         p is 0 or an integer from 1 to 5;  
         Y is O, S, CHOH, —NHC(O)—, —C(O)NH—, —C(O)—, —OC(O)—, NR 7  or —CH═N—, and R 7  is H or C 1-4  alkyl; or absent;  
         Z is CR 8 R 9  wherein R 8  and R 9  are independently selected from H, and straight or branched chain C 1-8  alkyl; or  
         a pharmaceutically acceptable salt, ester or prodrug thereof; and  
         a pharmaceutically acceptable carrier.  
       
     
     
         71 . A composition of  claim 70  compromising:  
       
         
           
           
               
               
           
         
       
     
     
         72 . A composition of  claim 71 , wherein t is 1 and Y is —C(O)—, —NHC(O)—, S, O or —OC(O)—.  
     
     
         73 . The composition of  claim 72 , wherein X 3  is C.  
     
     
         74 . The composition of  claim 73 , wherein R 1  is alkyl.  
     
     
         75 . The composition of  claim 74 , wherein R 2  is alkyl, aminoalkyl, alkoxy or hydroxyl.  
     
     
         76 . A composition of  claim 75 , wherein p is 3.  
     
     
         77 . A composition of  claim 75 , wherein R 1  is C 2-8  alkyl and R 2  is methyl, hydroxyl or alkoxy.  
     
     
         78 . A composition of  claim 77 , wherein Y is —C(O)— or O.  
     
     
         79 . The composition of  claim 74 , wherein R 2  is halo.  
     
     
         80 . The composition of  claim 71 , wherein t is 0.  
     
     
         81 . The composition of  claim 73 , wherein R 1  is alkoxy.  
     
     
         82 . The composition of  claim 73 , wherein R 1  is benzyl or phenyl.  
     
     
         83 . The composition of  claim 74 , wherein X 3  is N.  
     
     
         84 . The composition of  claim 82 , wherein R 1  is alkyl or alkoxy.  
     
     
         85 . The composition of  claim 82 , wherein R 1  is benzyl or phenyl.  
     
     
         86 . The composition of  claim 83 , wherein R 2  is alkyl or alkoxy.  
     
     
         87 . The composition of  claim 84 , wherein R 2  is alkyl or alkoxy.  
     
     
         88 . The composition of  claim 72 , wherein X 3  is O.  
     
     
         89 . The composition of  claim 88 , wherein R 1  is alkyl.  
     
     
         90 . The composition of  claim 89 , wherein R 2  is alkyl or alkoxy.  
     
     
         91 . The composition of  claim 87 , wherein R 2  is halo.  
     
     
         92 . A method of treating the symptoms of a disease or condition associated with reduced levels of acetylcholine, said method comprising administering a therapeutically effective amount of one or more compounds of  claim 1 .  
     
     
         93 . The method of  claim 92 , wherein said disease or condition is neurogenerative disease, cognitive impairment, age-related cognitive decline or dementia.  
     
     
         94 . A method of treating the symptoms of a disease or condition associated with reduced levels of acetylcholine, said method comprising administering a therapeutically effective amount of a composition of  claim 70 .  
     
     
         95 . The method of  claim 94 , wherein said disease or condition is neurogenerative disease, cognitive impairment, age-related cognitive decline or dementia.  
     
     
         96 . A method of treating the symptoms of a disease or condition associated with increased intraocular pressure, said method comprising administering a therapeutically effective amount of a muscarinic receptor agonist.  
     
     
         97 . The method of  claim 96 , wherein said muscarinic receptor agonist comprises m1 receptor agonist activity.  
     
     
         98 . The method of  claim 96 , wherein said muscarinic receptor agonist is m1 selective.  
     
     
         99 . The method of  claim 98 , wherein agonist causes at least about a 10 fold greater increase in the activity of an m1 receptor subtype than of an m3 receptor subtype.  
     
     
         100 . The method of  claim 96 , wherein said method comprises administering a therapeutically effective amount of one or more compounds of  claim 1 .  
     
     
         101 . The method of  claim 98 , wherein said method comprises administering a therapeutically effective amount of one or more compounds of  claim 1 .  
     
     
         102 . The method of  claim 96 , wherein said disease is glaucoma.  
     
     
         103 . A method of treating the symptoms of a disease or condition associated with increased intraocular pressure, said method comprising administering a therapeutically effective amount of a composition comprising a muscarinic receptor agonist.  
     
     
         104 . The method of  claim 103 , wherein said muscarinic receptor agonist comprises m1 receptor agonist activity.  
     
     
         105 . The method of  claim 103 , wherein said muscarinic receptor agonist is m1 selective.  
     
     
         106 . The method of  claim 105 , wherein said agonist causes at least about a 10 fold greater increase in the activity of the m1 receptor subtype than of the m3 receptor subtype.  
     
     
         107 . The method of  claim 103  wherein said method comprises administering a therapeutically effective amount of a composition of  claim 70 .  
     
     
         108 . The method of  claim 105 , wherein said method comprises administering a therapeutically effective amount of a composition of  claim 70 .  
     
     
         109 . The method of  claim 103 , wherein said disease is glaucoma.  
     
     
         110 . A method of identifying agents capable of reducing intraocular pressure, said method comprising: 
 contacting a putative agent with an m1 muscarinic receptor subtype;    contacting the putative agent with an m3 muscarinic receptor subtype;    comparing the increase in activity of each receptor subtype; and    identifying agents selective for the m1 muscarinic receptor subtype;    thereby identifying agents capable of reducing intraocular pressure.    
     
     
         111 . The method of  claim 110 , wherein said agent causes at least about a 10 fold greater increase in the activity of the m1 receptor subtype than of the m3 receptor subtype.

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