| abstract |
A description is given of compounds of the formula I <IMAGE> including their plant-tolerated salts, in which R1 denotes tert-butyl or phenyl which is optionally mono or di-substituted by halogen, and R2 denotes phenyl or diphenyl which is optionally substituted by from 1 to 3 halogen atoms, C1-C2-alkyl, methoxy, cyano, nitro and/or phenoxy, and A represents <IMAGE> or <IMAGE> in which R3, R4, R5 and R6, independently of one another, denote hydrogen, C1-C6-alkyl, C1-C6-alkoxymethyl or phenoxymethyl, or R3 and R4 together denote tetramethylene. The compounds possess microbicidal properties and can be prepared by the process stated in Claim 2. |