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(19)

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2 341 531

(13)

(51)

IPC

C07J53/00(2006-01-01)

C07J63/00(2006-01-01)

(21) (22)

Application

2007138157/04, 2007-10-15

(24)

Start date

2007-10-15

(22)

Actual filing date

2007-10-15

(45)

Published

2008-12-20

(72)

Inventor

Levdanskij Vladimir AleksandrovichLevdanskij Aleksandr VladimirovichKuznetsov Boris Nikolaevich

(73)

Holder

Institut Khimii I Khimicheskoj Tekhnologii So Ran So Ran)

METHOD OF BETULINOL DIACETATE PRODUCTION Russian patent published in 2008 - IPC C07J53/00 C07J63/00

Abstract RU 2341531 C1

FIELD: medicine; pharmacology.

SUBSTANCE: betulinol diacetate (C₃₄H₅₄O₄) is biologically active substance manifesting antitumor activity, being of great interest for a chemical-pharmaceutical industry. Within method implementation betulinol diacetate is produced by betulinol acetylation with acetic acid with orthophosphoric acid added in concentration 33%-38% within 1.0-1.5 hours.

EFFECT: method is easy-to-implement with cost reduction and lowered occupational hazard.

1 cl, 7 ex, 1 tbl

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RU 2 341 531 C1

Authors

Levdanskij Vladimir Aleksandrovich

Levdanskij Aleksandr Vladimirovich

Kuznetsov Boris Nikolaevich

Dates

2008-12-20—Published

2007-10-15—Filed