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Title:
METHODS FOR PREPARING DEHYDROCAVIDINE, DEHYDROAPOCAVIDINE OR THEIR COMPOSITION, THEIR USE AND MEDICINAL COMPOSITION CONTAINING THEM
Document Type and Number:
WIPO Patent Application WO/2006/069512
Kind Code:
A1
Abstract:
The invention discloses a method for preparing dehydrocavidine (fig.1), dehydroapocavidine or compositions containing dehydrocavidine and dehydroapocavidine, comprising the steps of isolating and purifying the quaternary ammonium components from the raw material of Corydalis saxicola Bounting undergoing the processes of solvent extraction, water-phase organic extraction, crystallization and recrystallization, and then dried to obtain the said compositions. If necessary, the said composition or the crude extract of the forementioned steps is subjected to chromatography to obtain dehydrocavidine or dehydroapocavidine. Dehydrocavidine, dehydroapocavidine or compositions containing dehydrocavidine and dehydroapocavidine can be used in manufacturing medicines for treating the viral hepatitis, hepatic injury, influenza, AIDS, tumor or arrhythmia.

Inventors:
ZHANG WEIDONG (CN)
LI HANXIONG (CN)
LI HUILIANG (CN)
ZHANG CHUAN (CN)
LIU RUNHUI (CN)
SU JUAN (CN)
XU XIKE (CN)
Application Number:
PCT/CN2005/001755
Publication Date:
July 06, 2006
Filing Date:
October 24, 2005
Export Citation:
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Assignee:
UNIV PLA 2ND MILITARY MEDICAL (CN)
YIPINHONG MEDICINE BUSINESS CO (CN)
ZHANG WEIDONG (CN)
LI HANXIONG (CN)
LI HUILIANG (CN)
ZHANG CHUAN (CN)
LIU RUNHUI (CN)
SU JUAN (CN)
XU XIKE (CN)
International Classes:
A61K31/4375; C07D455/03; A61K31/4745; A61P1/16; A61P9/06; A61P31/14; A61P31/16; A61P31/18; A61P35/00; C07D491/147
Foreign References:
CN1660850A2005-08-31
CN1660836A2005-08-31
CN1453277A2003-11-05
CN1460497A2003-12-10
Other References:
CHEN C. ET AL.: "Pharmacological study of dehydrocavidine, the major constituent in YanHuang-lian (Corydalis, saxicola Bunting)", ZHONGYAO TONGBAO, vol. 7, no. 2, 1982, pages 31 - 34
ZHAO S. ET AL.: "Clinical observation of Corydalis sxicola Bunting to viral hepatitis patients", SICHUAN MEDICAL JOURNAL, vol. 24, no. 12, 2003, pages 15
KE M. ET AL.: "Studies on the active principles of Corydalis saxicola Bunting", ZHIWU XUEBAO, vol. 24, no. 3, 1982, pages 289 - 291
XIE P. ET AL.: "Screening tests of chinese traditional medicines or herbal medicines in antitumor activity", SHIZHEN JOURNAL OF TRADITIONAL CHINESE MEDICINE RESEARCH, vol. 7, no. 1, 1996, pages 19 - 20
Attorney, Agent or Firm:
SHANGHAI XIN TIAN PATENT AGENT CO., LTD. (No. 59 Nan Chang Road, Shanghai 0, CN)
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