METHOD OF COMBINED PREPARATION OF 1-(DIALKYLAMINE)-2,4- DIALKYL(ARYL)ALUMACYCLOPENTADIENES AND 1-(DIALKYL-AMINE)- 2-ALKYL(ARYL)ALUMACYCLOPROPENES Russian patent published in 1999 - IPC

Abstract RU 2130027 C1

FIELD: components of catalyst systems in processes of oligomerization and polymerization of olefins and diene hydrocarbons, more particularly fine organic and organometal synthesis. SUBSTANCE: method comprises reacting terminal acetylenes of general formula: R-≡, wherein R is н-C5H11, н-C6H13, Ph with dialkylamine aluminium dichlorides of general formula: wherein R′ is Et or n-Bu, and metallic magnesium in 10:(15-25):(12-16) molar ratio, respectively, in the presence of zirconacene dichloride in amount of 2-4 mole % with respect to acetylene. Reaction is carried out in argon atmosphere under normal conditions for 10-14 hours. Solvent is tetrahydrofuran. Yield of desired products is 56-74%. EFFECT: more efficient preparation method. 1 tbl

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RU 2 130 027 C1

Authors

Dzhemilev U.M.

Ibragimov A.G.

Jusupov Z.A.-Ja.

Khalilov L.M.

Kunakova R.V.

Sharipova A.Z.

Dates

1999-05-10Published

1997-04-21Filed