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2 383 538

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IPC

C07D345/00(2006-01-01)

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Application

2008134291/04, 2008-08-20

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Start date

2008-08-20

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Actual filing date

2008-08-20

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Published

2010-03-10

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Inventor

Dzhemilev Usein MemetovichD'Jakonov Vladimir Anatol'EvichTimerkhanov Rustam KamilevichIbragimov Askhat GabdrakhmanovichPopod'Ko Natal'Ja RomanovnaDzhemileva Galina Arkad'Evna

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Holder

Uchrezhdenie Rossijskoj Akademii Nauk Institut Neftekhimii I Kataliza Ran

METHOD FOR SYNTHESIS OF 1,2,3,4,5,6,10,11,12,13,14,15,15a,15b-TETRADECAHYDRODICYCLONONE [b, d] SELENOPHENE Russian patent published in 2010 - IPC C07D345/00

Abstract RU 2383538 C1

FIELD: chemistry.

SUBSTANCE: method for synthesis of 1,2,3,4,5,6,10,11,12,13,14,15,15a,15b-tetradecahydrodicyclonone[b,d]selenophene with general formula (1):

involves reacting cyclonone-1,2-diene with ethyl aluminium dichloride (EtAlCl₂) in the presence of Mg (powder) and a zirconocene dichloride catalyst (Cp2ZrCl₂), taken in molar ratio cyclonone-1,2-diene: EtAlCl₂: Mg: Cp₂ZrCl₂-20:(11-13):20:(1.0-1.4), preferably 20:12:20:1.2. The reaction is carried out in an argon atmosphere at room temperature (20-22°C) and atmospheric pressure for 6-8 hours in tetrahydrofuran, with subsequent addition of an amount of selenium (Se) which is equimolar to EtAlCl₂, benzene as a solvent and heating the reaction mass for 7 hours at temperature of approximately 80°C.

EFFECT: obtaining a compound with high selectivity.

1 cl, 1 ex, 1 tbl

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RU 2 383 538 C1

Authors

Dzhemilev Usein Memetovich

D'Jakonov Vladimir Anatol'Evich

Timerkhanov Rustam Kamilevich

Ibragimov Askhat Gabdrakhmanovich

Popod'Ko Natal'Ja Romanovna

Dzhemileva Galina Arkad'Evna

Dates

2010-03-10—Published

2008-08-20—Filed