| 摘要 |
Compounds of formula I <IMAGE> I wherein R1 and R1' are identical or different and represent hydrogen, an alkyl radical or alkoxy radical having 1-4 carbon atoms, the allyl group, a halogen atom or the nitro group, R2 represents an acrylic acid radical or an acrylic acid nitrile radical of the formulae <IMAGE> wherein R5 represents hydrogen, an alkyl radical having 1-5 carbon atoms, an aryl radical or aryl-lower alkyl radical either unsubstituted or substituted by lower alkyl or alkoxy, R6 represents hydrogen or an alkyl radical having 1-8 carbon atoms, R7 represents hydrogen, a lower alkyl radical or an aryl-lower alkyl radical, R3 and R4 represent together with the nitrogen atom a heterocyclic ring with 5-7 members being optionally substituted by C1-C4 alkyl, in which ring one carbon atom may be replaced by one oxygen atom, sulfur atom or one further nitrogen atom, the latter may be substituted, or wherein R3 represents hydrogen and R4 represents a phenyl-alkylene or phenyl-alkylidene radical of the formula <IMAGE> in which Alk is alkyl having 1 to 3 carbon atoms, and n is a figure from 1-3, and R8 and R9 are identical or different and represent hydrogen, an alkoxy radical having 1-3 carbon atoms or the benzoyl radical or R8 and R9 represent together the bismethylene dioxy radical, as well as the physiologically compatible acid addition salts and a process for preparing these compounds.
|
