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2 596 872

(13)

(51)

IPC

C07C17/14(2006-01-01)

C07C25/02(2006-01-01)

C07C22/04(2006-01-01)

(21) (22)

Application

2015109386/04, 2015-03-17

(24)

Start date

2015-03-17

(22)

Actual filing date

2015-03-17

(45)

Published

2016-09-10

(72)

Inventor

Dzhemilev Usein MemetovichKhusnutdinov Ravil IsmagilovichBajguzina Alfiya RuslanovnaKalimgulova Ajsylu Mukhtarovna

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Uchrezhdenie Nauki Institut Neftekhimii I Kataliza Rossijskoj Akademii Nauk

METHOD OF PRODUCING MONO- AND DIFLUORO BENZYL CHLORIDES Russian patent published in 2016 - IPC C07C17/14 C07C25/02 C07C22/04

Abstract RU 2596872 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing mono- and difluoro benzyl chlorides by reacting mono- and di- toluene fluorides CH₃C₆H₄F and CH₃C₆H₃F₂ with tetrachloromethane and alcohols (MeOH, EtOH, PrⁿOH) in presence of catalyst FeCl₂·4H₂O or FeBr₂ activated by formamide at 180 °C during 4-8 hours in the molar ratio of [kat]:[HCONH₂]:[(di)toluene fluoride]:[CCl₄]MeOH]=1-10:1-100:50-200:50-200:10-200.

EFFECT: technical result is high selectivity of the process.

1 cl, 1 tbl, 32 ex

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RU 2 596 872 C1

Authors

Dzhemilev Usein Memetovich

Khusnutdinov Ravil Ismagilovich

Bajguzina Alfiya Ruslanovna

Kalimgulova Ajsylu Mukhtarovna

Dates

2016-09-10—Published

2015-03-17—Filed