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2 384 329

(13)

(51)

IPC

A61K31/215(2006-01-01)

C07J63/00(2006-01-01)

A61P17/16(2006-01-01)

(21) (22)

Application

2009101745/15, 2009-01-20

(24)

Start date

2009-01-20

(22)

Actual filing date

2009-01-20

(45)

Published

2010-03-20

(72)

Inventor

Popov Sergej AleksandrovichKozlova Ljubov' PavlovnaKukina Tat'Jana PetrovnaRomanenko Elena Petrovna

(73)

Holder

Novosibirskij Institut Organicheskoj Khimii Im. N.N. Vorozhtsova Sibirskogo Otdelenija Rossijskoj Akademii Nauk So Ran) Gosudarstvennogo Uchrezhdenija)

METHOD FOR MAKING BENZYLURSOLATE OF COWBERRY EXTRACTS Russian patent published in 2010 - IPC A61K31/215 C07J63/00 A61P17/16

Abstract RU 2384329 C1

FIELD: medicine.

SUBSTANCE: benzylursolate of formula I is prepared: of ursolic acid by adding an alkaline agent, alkylation with benzyl halogen in dimethyl formamide and following purification of an end product. As a source of ursolic acid, cowberry extraction cake in ethyl alcohol is used; extracts are transferred in salts by boiling with potassium hydroxide added; benzyl chloride is used as benzyl halogen, and purification involves rinsing with petroleum ester and crystallisation of acetone.

EFFECT: invention enables simplifying the process and reducing its price.

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RU 2 384 329 C1

Authors

Popov Sergej Aleksandrovich

Kozlova Ljubov' Pavlovna

Kukina Tat'Jana Petrovna

Romanenko Elena Petrovna

Dates

2010-03-20—Published

2009-01-20—Filed