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Application

96103503/04, 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

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Inventor

Dzhemilev U.M.Ibragimov A.G.Ramazanov I.R.Dudoladova L.G.Khalilov L.M.Muslukhov R.R.Sultanov R.M.

(73)

Holder

Institut Neftekhimii I Kataliza S Opytnym Zavodom An Rb

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

Abstract RU 2156767 C2

FIELD: metallic and fine organic synthesis. SUBSTANCE: method comprises reacting dialkylaluminium chlorides of formula: wherein R′ is Et, i-Bu with disubstituted acetylene of formula: R-≡-R wherein R is Ph, n-C3H7,n-C4H9 and metallic magnesium at molar ratio of (25-35): 10: (10-14), respectively in the presence of titanocene d:chloride ((Cp2TiCl2)) in amount of 2-5 mole % respect to disubstituted acetylene in argon atmosphere under normal conditions in tetrahydrofuran and agitation for 6-10 hours. The new resulting compounds are useful as catalyst complex components in processes of polymerization and oligomerization of olefin and diene hydrocarbons. EFFECT: more efficient preparation method. 1 ex, 1 tbl

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RU 2 156 767 C2

Authors

Dzhemilev U.M.

Ibragimov A.G.

Ramazanov I.R.

Dudoladova L.G.

Khalilov L.M.

Muslukhov R.R.

Sultanov R.M.

Dates

2000-09-27—Published

1996-02-22—Filed

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