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(19)

(11)

2 385 734

(13)

(51)

IPC

A61K36/484(2006-01-01)

A61K31/56(2006-01-01)

C07J63/00(2006-01-01)

C07J53/00(2006-01-01)

(21) (22)

Application

2008151044/15, 2008-12-24

(24)

Start date

2008-12-24

(22)

Actual filing date

2008-12-24

(45)

Published

2010-04-10

(72)

Inventor

Mandzhieva Saglara SergeevnaBorisenko Sergej NikolaevichTikhomirova Karina SergeevnaBorisenko Nikolaj IvanovichVetrova Elena Vladimirovna

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

METHOD OF GLYCYRRHETINIC ACID PRODUCTION Russian patent published in 2010 - IPC A61K36/484 A61K31/56 C07J63/00 C07J53/00

Abstract RU 2385734 C1

FIELD: medicine, pharmaceutics.

SUBSTANCE: there is produced β-glycyrrhetinic acid by hydrolysis of licorice extract in air-tightness in aqueous medium or aqueous solution of mineral acids at temperature 190-270°C followed with recovery of an end product.

EFFECT: invention allows for said process without using organic solvents with simplifying thereof.

5 cl, 9 ex

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RU 2 385 734 C1

Authors

Mandzhieva Saglara Sergeevna

Borisenko Sergej Nikolaevich

Tikhomirova Karina Sergeevna

Borisenko Nikolaj Ivanovich

Vetrova Elena Vladimirovna

Dates

2010-04-10—Published

2008-12-24—Filed