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2 021 813

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IPC

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Application

4944434/14, 1991-06-13

(22)

Actual filing date

1991-06-13

(45)

Published

1994-10-30

(72)

Inventor

Denisenko Oleg Naumovich[Ru]Chelombit'Ko Vjacheslav Aleksandrovich[Ru]Israilov Irgar Abdukadirovich[Uz]

(73)

Holder

Pjatigorskij Farmatsevticheskij Institut

METHOD OF BULBOCAPNINE PREPARING Russian patent published in 1994 - IPC

Abstract RU 2021813 C1

FIELD: chemical-pharmaceutical industry. SUBSTANCE: method involves extraction of Emanuel fumitory (birthwort) herb with 2% acetic acid and triple treatment of mixture by pulse discharges, purification, conversion of alkaloids to the salt-bases, extraction of the end product with chloroform, evaporation and crystallization from alcohol. EFFECT: yield of product is increased by 100 times as compared with prototype, shortened time and stages of process. 6 tbl

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RU 2 021 813 C1

Authors

Denisenko Oleg Naumovich[Ru]

Chelombit'Ko Vjacheslav Aleksandrovich[Ru]

Israilov Irgar Abdukadirovich[Uz]

Dates

1994-10-30—Published

1991-06-13—Filed

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