Diaryl derivatives and their use as crop protection agents

摘要

Diaryl derivatives of the general formula I in which A denotes =CHOR<1>, =CHSR<1>, =CHR<1>, =CHCl or =NOR<1>, B denotes OR<2>, SR<2> or NR<2>R<3>, Het denotes a mono-, di- or trinuclear aromatic five-membered or six-membered heterocycle which can optionally be substituted by R, R<1> R<2>, R<3>, R<4>, R<5> are identical or different and denote hydrogen or alkyl and U, V, and W are identical or different and denote halogen, alkyl or alkoxy, and fungicides containing these compounds.A