ALKYL-N-ARYLSULFENYL-N-DI ARYLOXYPHOSPHINYLMETHYLGLYZINATES AND THEIR USE AS HERBICIDES.

摘要

This invention relates to arylsulfenyl derivatives of benzyl and aryl esters of N-phosphonomethylglycines, the said derivatives having the formula …CHEM… wherein R is phenyl, naphthyl, biphenylyl or benzyl, or naphthyl, biphenylyl, benzyl or phenyl substituted with from one to three substituents independently selected from C1-4 alkyl, C1-4 alkoxy, C1-4 alkylthio, trifluoromethyl, alkoxycarbonyl, methylenedioxy, cyano, nitro and halogen; R1 is phenyl, naphthyl or phenyl substituted with from one to three substituents independently selected from C1-4 alkyl, C1-4 alkoxy, halogen, trifluoromethyl and nitro; and R2 is selected from C1-4 alkyl and aryl-C1-4 alkyl. …??The invention further relates to herbicidal compositions containing said derivatives, to the use thereof, and to herbicidal methods employing such derivatives and compositions.