US2004097499A1PendingUtilityA1

Amide, carbamate, and urea derivatives

Priority: Jul 31, 1998Filed: Jul 3, 2003Published: May 20, 2004
Est. expiryJul 31, 2018(expired)· nominal 20-yr term from priority
C07C 311/05C07C 233/13C07D 333/20C07C 275/28C07C 255/60C07C 275/24C07C 255/58C07D 333/24C07C 271/14C07C 271/20C07C 233/18
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Claims

Abstract

The present invention provides certain amide, carbamate and urea derivatives useful for potentiating glutamate receptor function in a mammal and therefore, useful for treating a wide variety of conditions, such as psychiatric and neurological disorders.

Claims

exact text as granted — not AI-modified
We claim:  
     
         1 . A compound of the formula:  
       
         
           
           
               
               
           
         
       
       wherein 
 B is CONR a , NR a CO, NR a CO 2  or NR a CONR a ;  
 R a  represents hydrogen or (1-6C) alkyl,  
 q is zero or 1;  
 R 1  represents a naphthyl group or a phenyl, furyl, thienyl or pyridyl group which is unsubstituted or substituted by one or two substituents selected independently from halogen; nitro; cyano; hydroxyimino; (1-10C)alkyl; (2-10C)alkenyl; (2-10C)alkynyl; (3-8C)cycloalkyl; hydroxy(3-8C)cycloalkyl; oxo(3-8C)cycloalkyl; halo(1-10C)alkyl; (CH 2 ) y X 1 R 9  in which y is 0 or an integer of from 1 to 4, X 1  represents O, S, NR 10 , CO, COO, OCO, CONR 11 , NR 12 CO, NR 12 COCOO or OCONR 13 , R 9  represents hydrogen, (1-10C)alkyl, (3-10C)alkenyl, (3-10C)alkynyl, pyrrolidinyl, tetrahydrofuryl, morpholino or (3-8C)cycloalkyl and R 10 , R 11 , R 12  and R 13  each independently represents hydrogen or (1-10C)alkyl, or R 9  and R 10 , R 11 , R 12  or R 13  together with the nitrogen atom to which they are attached form an azetidinyl, pyrrolidinyl, piperidinyl or morpholino group; N-(1-4C)alkylpiperazinyl; N-phenyl(1-4C)alkylpiperazinyl; thienyl; furyl; oxazolyl; isoxazolyl; pyrazolyl; imidazolyl; thiazolyl; pyridyl; pyridazinyl; pyrimidinyl; dihydro-thienyl; dihydrofuryl; dihydrothiopyranyl; dihydropyranyl; dihydrothiazolyl; (1-4C)alkoxycarbonyldihydrothiazolyl; (1-4C)alkoxycarbonyldimethyldihydrothiazolyl; tetrahydro-thienyl; tetrahydrofuryl; tetrahydrothiopyranyl; tetrahydropyranyl; indolyl; benzofuryl; benzothienyl; benzimidazolyl; and a group of formula R 14 -(L a ) n —X 2 -(L b ) m  in which X 2  represents a bond, O, NH, S, SO, SO 2 , CO, CH(OH), CONH, NHCO, NHCONH, NHCOO, COCONH, OCH 2 CONH or CH═CH, L a  and L b  each represent (1-4C)alkylene, one of n and m is 0 or 1 and the other is 0, and R 14  represents a phenyl or heteroaromatic group which is unsubstituted or substituted by one or two of halogen, nitro, cyano, hydroxyimino, (1-10C) alkyl, (2-10C)alkenyl, (2-10C)alkynyl, (3-8C)-cycloalkyl, 4-(1,1-dioxotetrahydro-1,2-thiazinyl), halo(1-10C)alkyl, cyano(2-10C)alkenyl, phenyl, and (CH 2 ) z X 3 R 15  in which z is 0 or an integer of from 1 to 4, X 3  represents O, S, NR 16 , CO, CH(OH), COO, OCO, CONR 17 , NR 18 CO, NHSO 2 , NHSO 2 NR 17 , NHCONH, OCONR 19  or NR 19 COO, R 15  represents hydrogen, (1-10C)alkyl, phenyl(1-4C)alkyl, halo(1-10C)alkyl, (1-4C)alkoxycarbonyl(1-4C)alkyl, (1-4C)alkylsulfonylamino(1-4C)alkyl, (N-(1-4C)alkoxycarbonyl)(1-4C)alkylsulfonylamino-(1-4C)alkyl, (3-10C)alkenyl, (3-10C)alkynyl, (3-8C)-cycloalkyl, camphoryl or an aromatic or heteroaromatic group which is unsubstituted or substituted by one or two of halogen, (1-4C)alkyl, halo(1-4C)alkyl, di(1-4C)alkylamino and (1-4C)alkoxy and R 16 , R 17 , R 18  and R 19  each independently represents hydrogen or (1-10C)alkyl, or R 15  and R 16  R 17 , R 18  or R 19  together with the nitrogen atom to which they are attached form an azetidinyl, pyrrolidinyl, piperidinyl or morpholino group;  
 R 2  represents hydrogen, (1-6C)alkyl, (3-6C)cycloalkyl, fluoro(1-6C)alkyl, chloro(1-6C)alkyl, (2-6C)alkenyl, (1-4C)alkoxy(1-4C)alkyl, (1-4C)alkylCO 2 (1-4C)alkyl, phenyl(1-6C)alkyl, heteroaromatic, phenyl which is unsubstituted or substituted by halogen, (1-4C)alkyl or (1-4C)alkoxy, or a group of formula R 3 R 4 N in which R 3  and R 4  each independently represents (1-4C)alkyl or, together with the nitrogen atom to which they are attached form an azetidinyl, pyrrolidinyl, piperidinyl, morpholino, piperazinyl, hexahydroazepinyl or octahydroazocinyl group; and  
 R 5 , R 6 , R 7  and R 8  are each independently selected from the group consisting of hydrogen, (1-6C)alkyl; aryl(1-6C)alkyl; (2-6C)alkenyl; aryl(2-6C)alkenyl and aryl; or  
 two of R 5 , R 6 , R 7  and R 8  together with the carbon atom or carbon atoms to which they are attached form a (3-8C) carbocyclic ring; and the remainder of R 5 , R 6 , R 7  and R 8  represent hydrogen; or a pharmaceutically acceptable salt thereof;  
 with the proviso that when R 2  represents R 3 R 4 N, then B is other than NR a CONR a  or CONR a .  
 
     
     
         2 . A compound according to  claim 1  wherein B is CONR a .  
     
     
         3 . A compound according to  claim 1  wherein B is NR a CO.  
     
     
         4 . A compound according to  claim 1  wherein B is NR a CO 2 .  
     
     
         5 . A compound according to  claim 1  wherein B is NR a CONR a .  
     
     
         6 . A compound as claimed in any one of  claims 1  to  5  wherein q is 1.  
     
     
         7 . A compound as claimed in any one of  claims 1  to  5  wherein R a  is hydrogen.  
     
     
         8 . A compound as claimed in any one of claims  1 - 5  wherein R 2  represents hydrogen, (1-6C)alkyl, (3-6C)cycloalkyl, fluoro(1-6C)alkyl, chloro(1-6C)alkyl, (2-6C)alkenyl 1-4C)alkoxy(1-4C)alkyl, heteroaromatic, or phenyl which is unsubstituted or substituted by halogen, (1-4C)alkyl or (1-4C)alkoxy.  
     
     
         9 . A compound according to  claim 8  wherein R 2  represents hydrogen, (1-4C)alkyl; (3-6C)cycloalkyl or heteroaromatic, or phenyl which is unsubstituted or substituted by halogen, (1-4C)alkyl or (1-4C)alkoxy.  
     
     
         10 . A compound according to  claim 9  wherein R 2  represents methyl, ethyl, isopropyl, t-butyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, isovaleryl, phenyl, benzyl, 2-furyl, 2-thienyl, 5-oxazoyl, 2-pyridyl, 3-pyridyl, 4-pryidyl  
     
     
         11 . A compound as claimed in any one of claims  1 - 5  wherein q is 1 and R 6  and R 7  represent hydrogen.  
     
     
         12 . A compound according to  claim 11  wherein R 5  and R 8  are each independently hydrogen or (1-4C)alkyl, or together with the carbon atom to which they are attached form a (3-8C) carbocyclic ring.  
     
     
         13 . A compound as claimed in any one of claims  1 - 12  wherein R 8  represents methyl and R 5  represents hydrogen.  
     
     
         14 . A compound as claimed in  claim 1 , which is selected from:  
       
         
           
                 
                 
               
                     
                 
                     
                 
                     
                     
                 
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         pharmaceutically acceptable salts thereof.  
       
     
     
         15 . A pharmaceutical composition, which comprises a compound as claimed in  claim 1  and a pharmaceutically acceptable diluent or carrier.  
     
     
         16 . A method of potentiating glutamate receptor function in a mammal requiring such treatment, which comprises administering an effective amount of a compound of formula:  
       
         
           
           
               
               
           
         
       
       wherein 
 B is CONR a , NR a CO, NR a CO 2  or NR a CONR a ;  
 R a  represents hydrogen or (1-6C) alkyl,  
 q is zero or 1;  
 R 1  represents an unsubstituted or substituted aromatic or heteroaromatic group;  
 R 2  represents hydrogen, (1-6C)alkyl, (3-6C)cycloalkyl, fluoro(1-6C)alkyl, chloro(1-6C)alkyl, (2-6C)alkenyl, (1-4C)alkoxy(1-4C)alkyl, (1-4C)alkylCO 2 (1-4C)alkyl, phenyl(1-6C)alkyl, heteroaromatic, phenyl which is unsubstituted or substituted by halogen, (1-4C)alkyl or (1-4C)alkoxy, or a group of formula R 3 R 4 N in which R 3  and R 4  each independently represents (1-4C)alkyl or, together with the nitrogen atom to which they are attached form an azetidinyl, pyrrolidinyl, piperidinyl, morpholino, piperazinyl, hexahydroazepinyl or octahydroazocinyl group; and  
 R 5 , R 6 , R 7  and R 8  are each independently selected from the group consisting of hydrogen, (1-6C)alkyl; aryl(1-6C)alkyl; (2-6C)alkenyl; aryl(2-6C)alkenyl and aryl; or  
 two of R 5 , R 6 , R 7  and R 8  together with the carbon atom or carbon atoms to which they are attached form a (3-8C) carbocyclic ring; and the remainder of R 5 , R 6 , R 7  and R 8  represent hydrogen; or a pharmaceutically acceptable salt thereof;  
 with the proviso that when R 2  represents R 3 R 4 N, then B is other than NR a CONR a  or CONR a .  
 
     
     
         17 . A method of potentiating glutamate receptor function in a mammal requiring such treatment, which comprises administering an effective amount of a compound of  claim 1 .  
     
     
         18 . A method of treating a cognitive disorder, a neuro-degenerative disorder; age-related dementia; age-induced memory impairment; movement disorder; reversal of a drug-induced state; depression; attention deficit disorder; attention deficit hyperactivity disorder; psychosis; cognitive deficits associated with psychosis; or drug-induced psychosis in a patient, which comprises administering to a patient in need thereof an effective amount of a compound of formula:  
       
         
           
           
               
               
           
         
       
       wherein 
 B is CONR a , NR a CO, NR a CO 2  or NR a CONR a ;  
 R a  represents hydrogen or (1-6C) alkyl,  
 q is zero or 1;  
 R 1  represents an unsubstituted or substituted aromatic or heteroaromatic group;  
 R 2  represents hydrogen, (1-6C)alkyl, (3-6C)cycloalkyl, fluoro(1-6C)alkyl, chloro(1-6C)alkyl, (2-6C)alkenyl, (1-4C)alkoxy(1-4C)alkyl, (1-4C)alkylCO 2 (1-4C)alkyl, phenyl(1-6C)alkyl, heteroaromatic, phenyl which is unsubstituted or substituted by halogen, (1-4C)alkyl or (1-4C)alkoxy, or a group of formula R 3 R 4 N in which R 3  and R 4  each independently represents (1-4C)alkyl or, together with the nitrogen atom to which they are attached form an azetidinyl, pyrrolidinyl, piperidinyl, morpholino, piperazinyl, hexahydroazepinyl or octahydroazocinyl group; and  
 R 5 , R 6 , R 7  and R 8  are each independently selected from the group consisting of hydrogen, (1-6C)alkyl; aryl(1-6C)alkyl; (2-6C)alkenyl; aryl(2-6C)alkenyl and aryl; or  
 two of R 5 , R 6 , R 7  and R 8  together with the carbon atom or carbon atoms to which they are attached form a (3-8C) carbocyclic ring; and the remainder of R 5 , R 6 , R 7  and R 8  represent hydrogen; or a pharmaceutically acceptable salt thereof;  
 with the proviso that when R 2  represents R 3 R 4 N, then B is other than NR a CONR a  or CONR a .  
 
     
     
         19 . A method of treating a cognitive disorder; a neuro-degenerative disorder; age-related dementia; age-induced memory impairment; movement disorder; reversal of a drug-induced state; depression; attention deficit disorder; attention deficit hyperactivity disorder; psychosis; cognitive deficits associated with psychosis; or drug-induced psychosis in a patient, which comprises administering to a patient in need thereof an effective amount of a compound according to  claim 1 .  
     
     
         20 . A method for improving memory or learning ability in a patient, which comprises administering to a patient in need thereof an effective amount of a compound of formula:  
       
         
           
           
               
               
           
         
       
       wherein 
 B is CONR a , NR a CO, NR a CO 2  or NR a CONR a ,  
 R a  represents hydrogen or (1-6C) alkyl,  
 q is zero or 1;  
 R 1  represents an unsubstituted or substituted aromatic or heteroaromatic group;  
 R 2  represents hydrogen, (1-6C)alkyl, (3-6C)cycloalkyl, fluoro(1-6C)alkyl, chloro(1-6C)alkyl, (2-6C)alkenyl, (1-4C)alkoxy(1-4C)alkyl, (1-4C)alkylCO 2 (1-4C)alkyl, phenyl(1-6C)alkyl, heteroaromatic, phenyl which is unsubstituted or substituted by halogen, (1-4C)alkyl or (1-4C)alkoxy, or a group of formula R 3 R 4 N in which R 3  and R 4  each independently represents (1-4C)alkyl or, together with the nitrogen atom to which they are attached form an azetidinyl, pyrrolidinyl, piperidinyl, morpholino, piperazinyl, hexahydroazepinyl or octahydroazocinyl group; and  
 R 5 , R 6 , R 7  and R 8  are each independently selected from the group consisting of hydrogen, (1-6C)alkyl; aryl(1-6C)alkyl; (2-6C)alkenyl; aryl(2-6C)alkenyl and aryl; or  
 two of R 5 , R 6 , R 7  and R 8  together with the carbon atom or carbon atoms to which they are attached form a (3-8C) carbocyclic ring; and the remainder of R 5 , R 6 , R 7  and R 8  represent hydrogen; or a pharmaceutically acceptable salt thereof;  
 with the proviso that when R 2  represents R 3 R 4 N, then B is other than NR a CONR a  or CONR a .  
 
     
     
         21 . A method for improving memory or learning ability in a patient, which comprises administering to a patient in need thereof an effective amount of a compound according to  claim 1.

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