| abstract |
A compound of the formula wherein R0 is hydrogen or (C1-4) alkyl, R1 is (C1-4) alkoxy or (C2-5) alkenyloxy and can also be halogen, hydroxy, (C1-4) alkyl, trifluoromethyl or trifluoromethoxy if A is a group of the formula (c), (e), (f) or (g), and it can also be hydrogen if A is a group of the formula (c), (f) or (g) , R2 is hydrogen, halogen, hydroxy, (C1-4) alkyl, (C1-4) alkoxy, (C2-5) alkenyloxy, trifluoromethyl or trifluoromethoxy, and, when it is in an ortho position with respect to R1, it can also form with R1 a methylenedioxy group, A is tetrahydropyran-4-yl or a group of the formula in which X is O, S or CH = CH, R6 is hydrogen, halogen or (C1-4) alkyl, R7 is hydrogen, alkyl ( C1-6) or cycloalkyl (C3-7) -alkyl (C1-4), R10 is hydrogen, alkyl (C1-4), cycloalkyl (C3-6) -alkyl (C1-4), alkyl (C1-4) -carbonyl, C3-6 cycloalkyl -carbonyl, (C1-4) alkoxy -carbonyl, benzyl, benzyloxycarbonyl, benzoyl, (C1-4) alkyl-sulfonyl, phenylsulfonyl, benzylcarbon yl, benzylsulfonyl, 2-furylcarbonylamino or N-(C1-4) -N- (2-furylcarbonyl) amino, and R11 is hydrogen or (C1-4) alkoxy, in the form of free base or acid addition salt . |