| abstract |
1489172 Organophosphorus trifluorochlorinated S-esters BAYER AG 8 March 1976 [8 March 1975] 09182/76 Headings C2P and C2C The invention comprises compounds of formula (wherein R is C 1-6 alkyl; R<SP>1</SP> is C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkylthio, amino, C 1-6 alkylamino, or phenyl; and X is O or S); and their preparation by reacting II with III (where M is H or one equivalent of an alkali metal, alkaline earth metal or ammonium), if appropriate in the presence of an acid-binding agent. The starting material is prepared from HOCH 2 CH 2 SCF 2 CHFCl by reaction with PBr 3 . Pesticidal compositions comprise a compound I and a carrier. |