S-HALOGENOALKYL (DI) (TRI)-(THIO) PHOSPHATE (PHOSPHOLAMIDATES AND-(THIO) PHOSPHONATE (PHOPHONAMIDATES)

摘要

NEW MATERIAL: A compound of formula I {R is (substd.)alkyl, alkenyl, etc.; R¹ is -SR⁷ [R⁷ is (substd.)alkyl, cycloalkyl, etc.] or formula II (R⁸ and R⁹ are each H, alkyl, cycloalkyl, etc.); R²-R⁵ are each H, halogen or alkyl; Y is O or S}. ;EXAMPLE: O-Ethyl-S-secondary butyl-S-(1,1-difluoroethyl)dithiophosphate of formula III. ;USE: Pesticides, especially insecticides. ;PROCESS: A (thio)phosphite (phosphoramidite) and (thio)phosphonite (phosphonamidite) of formula IV is reacted with a 1-fluoroalkylsulfenyl halide of formula V (X is halogen, especially Cl) or a bis(1-fluoroalkyl)disulfane of formula VI optionally in the presence of a diluent.;COPYRIGHT: (C)1991,JPO