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2 555 845

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IPC

C07F9/6568(2006-01-01)

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Application

2014113284/04, 2014-04-04

(24)

Start date

2014-04-04

(22)

Actual filing date

2014-04-04

(45)

Published

2015-07-10

(72)

Inventor

Dzhemilev Usein MemetovichD'Jakonov Vladimir Anatol'EvichMakhamatkhanova Alevtina LeonidovnaAgliullina Rina Anis'Evna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Institut Neftekhimii I Kataliza Rossijskoj Akademii Nauk

METHOD OF PRODUCING 2,3-DIALKYL-1-PHENYL(ALKYL)SUBSTITUTED PHOSPHOL-2-ENES Russian patent published in 2015 - IPC C07F9/6568

Abstract RU 2555845 C1

FIELD: chemistry.

SUBSTANCE: method includes reacting symmetrical acetylenes with triethylaluminium in the presence of a zirconocene dichloride catalyst (Cp₂ZrCl₂) in toluene in an argon atmosphere at 20-40°C and atmospheric pressure for 4-12 hours, followed by addition to the reaction mass at (-5) to (-10)°C of phenyl- or alkyl dichlorophosphine, taken in equimolar ratio to Et₃Al, and mixing at room temperature for 10-30 minutes. The output of the end product after hydrolysis of the reaction mass is 38-92%.

EFFECT: high output of the end product.

1 tbl, 1 ex

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RU 2 555 845 C1

Authors

Dzhemilev Usein Memetovich

D'Jakonov Vladimir Anatol'Evich

Makhamatkhanova Alevtina Leonidovna

Agliullina Rina Anis'Evna

Dates

2015-07-10—Published

2014-04-04—Filed