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2 292 218

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(51)

IPC

A61K38/18(2006-01-01)

A61K36/62(2006-01-01)

(21) (22)

Application

2005121749/15, 2005-07-12

(24)

Start date

2005-07-12

(22)

Actual filing date

2005-07-12

(45)

Published

2007-01-27

(72)

Inventor

Shejchenko Ol'Ga PetrovnaShejchenko Vladimir IvanovichTolkachev Oleg NikiforovichFateeva Tat'Jana VladimirovnaShipulina Ljudmila DmitrievnaBykov Valerij AlekseevichSokol'Skaja Tat'Jana Aleksandrovna

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Lekarstvennykh I Aromaticheskikh Rastenij

METHOD FOR LUTENURINE PRODUCTION Russian patent published in 2007 - IPC A61K38/18 A61K36/62

Abstract RU 2292218 C1

FIELD: chemical and pharmaceutical industry.

SUBSTANCE: candock rhizome with roots are extracted with acidic 20-60 % aqueous alcohol solution, preferably ethanol or isopropanol aqueous solution acidified with 5 % phosphoric acid. Method further includes extract filtering; organic solvent separation in vacuum; neutralization with calcium carbonate; solid phase separation; treatment thereof with acetone; filtering; stripping; purification of sum alkaloid fraction via formation of respective sulfates and bases; base extraction with toluene and alkaloid hydrochloride production by solution saturation with hydrogen chloride.

EFFECT: method of increased product yield.

3 ex, 1 tbl

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RU 2 292 218 C1

Authors

Shejchenko Ol'Ga Petrovna

Shejchenko Vladimir Ivanovich

Tolkachev Oleg Nikiforovich

Fateeva Tat'Jana Vladimirovna

Shipulina Ljudmila Dmitrievna

Bykov Valerij Alekseevich

Sokol'Skaja Tat'Jana Aleksandrovna

Dates

2007-01-27—Published

2005-07-12—Filed