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2 156 766

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Application

96103487/04, 1996-02-22

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Start date

1996-02-22

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Actual filing date

1996-02-22

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Published

2000-09-27

(72)

Inventor

Dzhemilev U.M.Ibragimov A.G.Dudoladova L.G.Sultanov R.M.Kunakova R.V.

(73)

Holder

Institut Neftekhimii I Kataliza S Opytnym Zavodom An Rb

METHOD OF PREPARING 1,2-BIS(DIALKOXY)ALUMA]-CIS-1,2- DIPHENYL(ALKYL)ETHYLENES Russian patent published in 2000 - IPC

Abstract RU 2156766 C2

FIELD: metallic and fine organic synthesis. SUBSTANCE: method comprises reacting dialkoxy aluminium chlorides of formula: (R′2O)2AlCl wherein R′ is Et, with disubstituted acetylene of formula R-≡-R, wherein R is Ph, н-C3H7,н-C4H9 and metallic magnesium at molar ratio of (25-35):10:(10-14) in the presence of titanocene dichloride ((Cp2TiCl2)) catalyst in amount of 2-5 mole % with respect to disubstituted acetylene in argon atmosphere under normal conditions in tetrahydrofuran under agitation for 8-12 hours. The resulting new compounds are useful as catalyst complex components in processes of polymerization and oligomerization of olefin and diene hydrocarbons. EFFECT: more efficient preparation method. 14 ex, 1 tbl

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RU 2 156 766 C2

Authors

Dzhemilev U.M.

Ibragimov A.G.

Dudoladova L.G.

Sultanov R.M.

Kunakova R.V.

Dates

2000-09-27—Published

1996-02-22—Filed

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