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2 402 561

(13)

(51)

IPC

C07J53/00(2006-01-01)

C07J63/00(2006-01-01)

(21) (22)

Application

2009118202/04, 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 BorisovnaMedvedeva Natal'Ja IvanovnaKazakov Dmitrij Valer'EvichTolstikov Genrikh Aleksandrovich

(73)

Holder

Uchrezhdenie Rossijskoj Akademii Nauk Institut Organicheskoj Khimii Ufimskogo Nauchnogo Tsentra Ran

ALLOBETULIN SYNTHESIS METHOD Russian patent published in 2010 - IPC C07J53/00 C07J63/00

Abstract RU 2402561 C1

FIELD: chemistry.

SUBSTANCE: invention relates to an improved single-step method for synthesis of allobetulin as a result of reaction of betulin with a catalytic amount of FeCl₃·6H₂O in a chloroform medium at room temperature for 30 minutes.

EFFECT: method enables production of allobetulin with high output (92%) and purity (95%).

1 cl, 1 ex

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RU 2 402 561 C1

Authors

Kazakova Oksana Borisovna

Medvedeva Natal'Ja Ivanovna

Kazakov Dmitrij Valer'Evich

Tolstikov Genrikh Aleksandrovich

Dates

2010-10-27—Published

2009-05-13—Filed