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2 402 560

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(51)

IPC

C07J53/00(2006-01-01)

(21) (22)

Application

2009118171/04, 2009-05-13

(24)

Start date

2009-05-13

(22)

Actual filing date

2009-05-13

(45)

Published

2010-10-27

(72)

Inventor

Kazakova Oksana BorisovnaTolstikov Genrikh AleksandrovichMedvedeva Natal'Ja Ivanovna

(73)

Holder

Uchrezhdenie Rossijskoj Akademii Nauk Institut Organicheskoj Khimii Ufimskogo Nauchnogo Tsentra Ran

METHOD OF OPENING TETRAHYDROFURAN RING OF ALLOBETULIN Russian patent published in 2010 - IPC C07J53/00

Abstract RU 2402560 C1

FIELD: chemistry.

SUBSTANCE: method of opening tetrahydrofuran ring of allobetulin involves reaction of allobetulin with sodium iodide and acetyl chloride while boiling in acetonitrile for 5 hours to form a novel compound triterpenoid of the germanican family - 3β, 19β-di-9-acetyl-olean-iodide, output of which is 82% and purity 95%.

EFFECT: possibility of use in chemistry, medical chemistry and pharmacy.

1 cl, 1 ex

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RU 2 402 560 C1

Authors

Kazakova Oksana Borisovna

Tolstikov Genrikh Aleksandrovich

Medvedeva Natal'Ja Ivanovna

Dates

2010-10-27—Published

2009-05-13—Filed