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2 404 177

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IPC

C07D345/00(2006-01-01)

C07F11/00(2006-01-01)

(21) (22)

Application

2008145958/04, 2008-11-20

(24)

Start date

2008-11-20

(22)

Actual filing date

2008-11-20

(45)

Published

2010-11-20

(72)

Inventor

Dzhemilev Usein MemetovichD'Jakonov Vladimir Anatol'EvichTrapeznikova Ol'Ga AleksandrovnaIbragimov Askhat Gabdrakhmanovich

(73)

Holder

Uchrezhdenie Rossijskoj Akademii Nauk Institut Neftekhimii I Kataliza Rossijskoj Akademii Nauk

METHOD FOR SYNTHESIS OF endo-, exo-TETRACYCLO[4.5.1.0.0]DODEC-3(4)-ENE-9-SPIRO-1'-(3'-SELENIUM)CYCLOPENTANES Russian patent published in 2010 - IPC C07D345/00 C07F11/00

Abstract RU 2404177 C2

FIELD: chemistry.

SUBSTANCE: method for synthesis of endo-, exo-tetracyclo- [4.5.1.0^2.6.0^8.11]dodec-3(4)-ene-9-spiro-1'-(3'-selenium)-cyclopentanes of general formula

involves reaction of regioisomeric (1:1) 9-methylene-endo-, exo-tetracyclo[5.4.1.0^2.6.0^8.11]dodec-3(4)enes with triethylaluminium (AlEt₃) in the presence of a zirconocene dichloride (Cp₂ZrCl₂) dichloride catalyst in molar ratio of 9-methylene-endo-, exo-tetracyclo[5.4.1.0^2.6.0^8.11]dodec-3(4)ene: AlEt₃:Cp₂ZrCl₂=10:(10-14):(0.6-1.0) in an argon atmosphere at room temperature and atmospheric pressure in hexane for 7 hours, and then adding selenium (Se) to the reaction mass, where the selenium is taken in an amount equimolar to AlEt₃ and stirring at 80°C for 5-7 hours.

EFFECT: novel compounds can be used in fine organic synthesis and in synthesis of biologically active heterocyclic compounds.

1 tbl

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RU 2 404 177 C2

Authors

Dzhemilev Usein Memetovich

D'Jakonov Vladimir Anatol'Evich

Trapeznikova Ol'Ga Aleksandrovna

Ibragimov Askhat Gabdrakhmanovich

Dates

2010-11-20—Published

2008-11-20—Filed