Three major monodesmethyl metabolites of (+)-13a-(S)-deoxytylophorinine were synthesized stereospecifically and their configurations at C-13a were determined. Biological assays revealed that one of the metabolites, 3-O-desmethyl-13a-(S)-deoxytylophorinine, had a higher cytotoxic potency than the parent compound or the positive controls doxorubicin (Adriamycin) and paclitaxel (Taxol).
SALTS OF 13a-(S)-DEOXYTYLOPHORININE, PREPARATION METHODS AND PHARMACEUTICAL COMPOSITIONS AND USES THEREOF
申请人:Institute of Mataria Medica, Chinese Academy
of Medical Sciences
公开号:EP2452681B1
公开(公告)日:2017-03-15
Efficient and Chirally Specific Synthesis of Phenanthro-Indolizidine Alkaloids by Parham-Type Cycloacylation
作者:Ziwen Wang、Zheng Li、Kailiang Wang、Qingmin Wang
DOI:10.1002/ejoc.200900920
日期:2010.1
A concise, efficient and modular route involving Parham-type cycloacylation as the key step has been used to synthesize six enantiopure phenanthro-indolizidine alkaloids 1a-c. The preparation of enantiomericallypure tylophora alkaloids and their seco analogues on a large-scale is now feasible. The alcohol intermediates 8a-c, which are difficult to prepare by other synthetic methodologies, have been
SALTS OF 13A-(S)DESOXYTYLOPHORININE, PREPARATION METHODS AND PHARMACEUTICAL COMPOSITIONS AND USES THEREOF
申请人:Yu Shishan
公开号:US20120190703A1
公开(公告)日:2012-07-26
The present invention relates to the salts of (+)-13a-(S)-deoxytylophorinine represented by the general formula (I), the preparation method thereof, the pharmaceutical compositions containing them, and their use as medicaments for prevention and/or treatment of cancer and/or inflammation disease.