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2 382 044

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(51)

IPC

C07F5/06(2006-01-01)

(21) (22)

Application

2008102176/04, 2008-01-21

(24)

Start date

2008-01-21

(22)

Actual filing date

2008-01-21

(45)

Published

2010-02-20

(72)

Inventor

Dzhemilev Usein MemetovichRamazanov Il'Fir RifovichDil'Mukhametova Ljajsan KadyrovnaSharipova Al'Fija ZufarovnaShajbakova Marija Gennad'EvnaIbragimov Askhat Gabdrakhmanovich

(73)

Holder

Institut Neftekhimii I Kataliza Rossijskoj Akademii Nauk

METHOD OF PRODUCING DIISOBUTYL[(2-ISOBUTYL-1-ALKYLCYCLOPROPYL)ETHYL]ALANES Russian patent published in 2010 - IPC C07F5/06

Abstract RU 2382044 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing diisobutyl-[(2-isobutyl-1-alkylcyclopropyl)-ethyl]alanes with general formula (1): (1), where R=H-C₄H₉, H-C5H₁₁, H-C₆H₁₃, characterised by that terminal alkylacetylene with general formula RC≡CH, where R= H-C₄H₉, H-C₅H₁₁, H-C₆H₁₃ is reacted with triisobutylaluminium i-Bu₃Al in the presence of diidomethane CH₂I₂, with molar ratio of terminal alkylacetylene: i-Bu₃Al: CH₂I₂=10:(55-65):(35-45) in an argon atmosphere at temperature 20-22°C and normal pressure in dichloromethane for 16-20 hours.

EFFECT: use of present method enables production of said compound with high regioselectivity.

1 cl, 2 ex, 1 tbl

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RU 2 382 044 C2

Authors

Dzhemilev Usein Memetovich

Ramazanov Il'Fir Rifovich

Dil'Mukhametova Ljajsan Kadyrovna

Sharipova Al'Fija Zufarovna

Shajbakova Marija Gennad'Evna

Ibragimov Askhat Gabdrakhmanovich

Dates

2010-02-20—Published

2008-01-21—Filed