| abstract |
A compound of the formula (I) (I) where Q is S or O; X is 0; m is 0 or 1; A is C1-4 alkylene optionally substituted by phenyl; B is (group) in which G is C1-16 alkyl or benzyl; Y is C-R3 in which R3 is hydrogen or C1-4 alkoxy; R1 is hydrogen or halogen; R2 is hydrogen, C1-4 alkoxy, C1-8 alkoxycarbonyl, N-C1-8 alkyl-aminoformyl, N,N-diC1-6 alkylaminoformyl, N-C1-14 alkyoxyC1-8 alkylaminoformyl, N-(+)-dehydrogenated abietinylaminoformyl or N-phenylaminoformyl, in which the phenyl is optionally substituted by C1-12 alkyl or C1-8 alkoxy; R4 is C1-8 alkyl, phenylC1-6alkyl, in which the phenyl is optionally substituted by halogen, -CF3, C1-6 alkyl, C1-4 alkoxy or N,N-diC1-6 alkylamino, or C1-4 alkoxyphenylC1-4alkylaminoformyl; and physiologically active salts thereof. |