NOVEL GLYCOLLIC ACID DERIVATIVES,A PROCESS FOR THEIR PREPARATION AND THEIR USE AS FUNGICIDES

摘要

The compounds of the formula in which A, R<1>, R<2>, X, Y, Z<1> and Z<2> have the meaning indicated in the description, are obtained when salts of glycolic acid are reacted with phenyl isocyanates in the presence of a diluent. The active compounds according to the invention have a strong fungicidal activity and can be used to particularly good effect for controlling Botrytis species.