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1 840 609

(13)

(51)

IPC

C07C43/17(2006-01-01)

C07C41/05(2006-01-01)

(21) (22)

Application

2220488/04, 1977-06-06

(22)

Actual filing date

1977-06-06

(45)

Published

2007-08-20

(72)

Inventor

Mukhametshin Farid MubarakshevichAjnagos Nadezhda Arsent'EvnaZhirnov Oleg MikhajlovichGlukhikh Zotej IosifovichZhidkov Ivan Vasil'Evich

METHOD FOR PRODUCTION OF PERFLUOROMETHYL VINYL ESTER Russian patent published in 2007 - IPC C07C43/17 C07C41/05

Abstract SU 1840609 A1

FIELD: organic chemistry.

SUBSTANCE: claimed method includes interaction of trifluoromethyl hypofluorite with symmetric difluoridichloroethylene followed by neutralization and rectification of intermediate ester and dechlorination thereof in presence of zinc dust in dimethylsulfoxide medium. Said interaction is carried out at temperature of (-80)-(-25)°C to increase yield and purity of target product.

EFFECT: method of increased yield and product purity.

3 ex

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SU 1 840 609 A1

Authors

Mukhametshin Farid Mubarakshevich

Ajnagos Nadezhda Arsent'Evna

Zhirnov Oleg Mikhajlovich

Glukhikh Zotej Iosifovich

Zhidkov Ivan Vasil'Evich

Dates

2007-08-20—Published

1977-06-06—Filed