abstract |
FIELD: organic chemistry. SUBSTANCE: product - difluorothioacetylfluoride - HCF 2 CF=S, empirical formula is C 2 HF 3 S, b. p. is 14-16 C, yield is 66-71% . Reagent 1: benzyl-1,1,2,2-tetrafluoroethylsulfide. Reagent 2: phosphoric anhydride taken at 1.5-2-fold molar excess. Reaction conditions: heating up to 150-180 C. EFFECT: improved method of synthesis. |