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2 021 261

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IPC

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Application

4905649/04, 1991-01-29

(22)

Actual filing date

1991-01-29

(45)

Published

1994-10-15

(72)

Inventor

Porosjatnikov V.A.Novikova L.L.Ermolov A.F.

(73)

Holder

Porosjatnikov Valerij AlekseevichNovikova Larisa L'VovnaErmolov Aleksandr Fridrikhovich

METHOD OF SYNTHESIS OF DIFLUOROTHIOACETYLFLUORIDE Russian patent published in 1994 - IPC

Abstract RU 2021261 C1

FIELD: organic chemistry. SUBSTANCE: product - difluorothioacetylfluoride - HCF2CF=S, empirical formula is C2HF3S, 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.

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RU 2 021 261 C1

Authors

Porosjatnikov V.A.

Novikova L.L.

Ermolov A.F.

Dates

1994-10-15—Published

1991-01-29—Filed

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