Novel phosphonamidothionate derivatives and their use as pesticides.

摘要

A novel phosphonamidothionate derivative represented by the formula <CHEM> wherein R<1>, R<2> and R<3> are as defined in the disclosure. The present novel compound has excellent properties with respect to not only pesticidal activity but also maintenance of the pesticidal activity over a prolonged period of time after application. The present novel compound can be prepared by a new unique process in which the direct phosphorylation of a carbamate compound is involved.