Patent ID: 6964960

Claim:
A compound of formula wherein either R is —(CH 2 ) n —X, wherein n is 1, 2 or 3 and X is (C 1-4 )alkyl, (C 1-4 )alkoxy, (C 2-7 )alkenyl, carboxy, (C 1-4 )alkoxycarbonyl, cyano, tetrazolyl, (C 3-7 )cycloalkylamino or imidazolyl(C 1-4 )alkylamino, or R is —CH 2 CON(R 1 )R 2 , wherein R 1 and R 2 , independently, are hydrogen, hydroxy, (C 1-4 )alkyl, benzyl, di(C 1-4 )alkylamino(C 1-4 )alkyl, (C 2-7 )alkenyl, (C 2-7 )alkynyl, hydroxy(C 1-4 )alkyl, dihydroxy (C 1-4 )alkyl, cyanoalkyl, carbamoylalkyl, (C 3-7 )cycloalkyl, (C 3-7 )cycloalkyl(C 1-4 )alkyl, 2-oxo-3-tetrahydrofuryl, (C 1-4 )alkoxy(C 1-4 )alkyl, (C 1-4 )alkoxycarbonyl (C 3-7 )cycloalkyl, naphthylamino(C 1-4 )alkyl, imidazolylamino(C 1-4 )alkyl, morpholinyl(C 1-4 )alkyl, pyrrolidinyl(C 1-4 )alkyl, piperidinyl(C 1-4 )alkyl or (C 3-7 )cycloalkylamino(C 1-4 )alkyl, or R 1 and R 2 , together with the nitrogen atom to which they are attached, form a morpholino, (C 1-4 )alkylpiperazinyl, hydroxy(C 1-4 )alkyl-piperazinyl, piperidinyl, pyrrolidinyl or p-chlorophenyl(C 1-4 )alkyl-piperazinyl, in free base or acid addition salt form.