A process for the preparation of hydrazide derivatives

摘要

A compound of the formula wherein R is a) phenyl; phenyl(C1-C4 alkoxy); phenoxy; or benzyl; the phenyl ring of each substituent being optionally substituted with one or more of halogen, nitro, C1-C8 alkyl, C1-C8 alkoxy, C1-C8 haloalkyl, C1-C8 haloalkoxy, di(C1-C8 alkyl)amino, phenyl or phenoxy; or b) a 5- or 6-membered heterocyclic group comprising 1-3 heteroatoms selected from the group consisting of N, O or S, optionally substituted with one or more of halogen, nitro, C1-C8 alkyl, C1-C8 alkoxy, C1-C8 haloalkyl, C1-C8 haloalkoxy, or di-(C1-C8 alkyl)amino. These compounds and pesticidal compositions prepared therefrom, are useful as plant protecting agents for the control of insects, nematodes, and mites.