| abstract |
NEW MATERIAL:O-Ethyl S-sec-butyl O-2,2,3,3,-tetrafluoro-1-propylphosphoro thiolate expressed by formula I. n USE: A soil insecticide and nematocide. n PREPARATION: For example, a thiophosphoryl halide expressed by formula II (Hal is halogen), e.g. O-ethyl S-sec-butyl phosphorochloridothioate, etc., is reacted with alcohols expressed by the formula M-OCH 2 CF 2 CHF 2 (M is H or alkali metal), e.g. 2,2,3,3-tetrafluoro-1-propanol, etc., in the presence of a diluent, e.g. toluene, etc., preferably at -10W+100°C. n COPYRIGHT: (C)1988,JPO&Japio |