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Application

99106376/14, 1999-03-30

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Start date

1999-03-30

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Actual filing date

1999-03-30

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Published

2001-05-27

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Inventor

Savina A.A.Tolkachev O.N.Glyzin V.I.Bykov V.A.Stikhin V.A.Shejchenko V.I.Kopylova I.E.Lasskaja O.F.Gromakova A.I.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Lekarstvennykh I Aromaticheskikh Rastenij

METHOD OF SANGUIRITRINE PREPARING Russian patent published in 2001 - IPC

Abstract RU 2167668 C2

FIELD: chemistry of natural compounds. SUBSTANCE: method involves extraction of heart-shaped plume poppy (Macleya cordata) or microcarpous plume poppy (Macleya microcarpus) with hydrophobic solvent in the presence of alkaline agent. The end alkaloid bisulfates are precipitated by their conversion to bases and by repeated reprecipitation from hydrophobic organic solvent. Extraction is carried out with ethyl acetate or dichloroethane by successive treatment of some raw portions with a single volume of extractant by countercurrent principle. Ammonia aqueous solution is used as alkaline agent in the process of purification and chloroform is used as an extractant. By-side alkaloids are separated additionally by filtration and extraction of organic phase with water. EFFECT: simplified process, decreased consumption of raw and energy. 3 ex

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RU 2 167 668 C2

Authors

Savina A.A.

Tolkachev O.N.

Glyzin V.I.

Bykov V.A.

Stikhin V.A.

Shejchenko V.I.

Kopylova I.E.

Lasskaja O.F.

Gromakova A.I.

Dates

2001-05-27—Published

1999-03-30—Filed

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