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2 501 805

(13)

(51)

IPC

C07J53/00(2006-01-01)

(21) (22)

Application

2012148084/04, 2012-11-12

(24)

Start date

2012-11-12

(22)

Actual filing date

2012-11-12

(45)

Published

2013-12-20

(72)

Inventor

Koptelova Elena NikolaevnaBogdanovich Nikolaj IvanovichKutakova Natal'Ja AlekseevnaTret'Jakov Sergej Ivanovich

(73)

Holder

Federal'Noe Gosudarstvennoe Avtonomnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Federal'Nyj Universitet Imeni M.V. Lomonosova"

METHOD OF PRODUCING BETULIN FROM BIRCH BARK Russian patent published in 2013 - IPC C07J53/00

Abstract RU 2501805 C1

FIELD: chemistry.

SUBSTANCE: described is a method of producing betulin from birch bark which involves extracting crushed birch bark with an organic solvent, concentrating the extract, precipitating betulin by adding hot water, filtering and drying. The extraction process is carried out in a microwave field.

EFFECT: betulin obtained using said method can be used to produce pharmaceutical preparations.

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RU 2 501 805 C1

Authors

Koptelova Elena Nikolaevna

Bogdanovich Nikolaj Ivanovich

Kutakova Natal'Ja Alekseevna

Tret'Jakov Sergej Ivanovich

Dates

2013-12-20—Published

2012-11-12—Filed