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2 765 442

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IPC

C07C13/64(2006-01-01)

C07C2/42(2006-01-01)

(21) (22)

Application

2020141513, 2020-12-16

(24)

Start date

2020-12-16

(22)

Actual filing date

2020-12-16

(45)

Published

2022-01-31

(72)

Inventor

Babynin Aleksandr AleksandrovichBezdenezhnykh Veronika AlekseevnaZamalyutin Vyacheslav VladimirovichKuznetsov Valerij BorisovichFlid Vitalij RafailovichFlid Mark Rafailovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennostyu

METHOD FOR PRODUCING PENTACYCLIC DIMERS OF BICYCLO[2.2.1]HEPTA-2,5-DIENE (NORBORNADIENE) Russian patent published in 2022 - IPC C07C13/64 C07C2/42

Abstract RU 2765442 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a method for selective production of pentacyclic dimers of norbornadiene - exo-trans-exo- and exo-trans-endoisomers of pentacyclo[8.2.1.1^4,7.0^2,9.0^3,8]tetradeca-5,11-diene, as well as a mixture thereof, by catalytic dimerisation of norbornadiene in the presence of a complex compound of nickel with norbornadiene. The method is characterised by the fact that a mixture of nickel complexes with norbornadiene of a non-stoichiometric composition Ni:NBD = 1:2.1 to 1:2.5 is used as a catalyst in a medium of a non-polar solvent or in a mass of norbornadiene at room or elevated temperature.

EFFECT: use of the method result in an increase in the selectivity of the method (process) of catalytic dimerisation of norbornadiene.

5 cl, 1 dwg, 5 ex

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RU 2 765 442 C1

Authors

Babynin Aleksandr Aleksandrovich

Bezdenezhnykh Veronika Alekseevna

Zamalyutin Vyacheslav Vladimirovich

Kuznetsov Valerij Borisovich

Flid Vitalij Rafailovich

Flid Mark Rafailovich

Dates

2022-01-31—Published

2020-12-16—Filed