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Four new koumine metabolites in rat liver microsomes.
MedLine Citation:
PMID:  23323600     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Four new metabolites M-1 [1,2,18,19-tetradehydro-4-demethyl-3,17-epoxy-7,20(2H,19H)-cyclovobasan], M-2 [1,2,4,21,18,19-hexadehydro-4-demethyl-3,17-epoxy-7,20(2H,19H)-cyclovobasan], M-3 [1,2,18,19-tetradehydro-4-demethyl-4-formaldehyde-3,17-epoxy-7,20(2H,19H)-cyclovobasan], and M-4 [1,2,4,21,18,19-hexadehydro-4-demethyl-4-oxy-3,17-epoxy-7,20(2H,19H)-cyclovobasan] were isolated from the chloroform extract of koumine incubated with phenobarbital-treated rat liver microsomes. The structures of M-1, M-2, M-3, and M-4 were elucidated by spectroscopic methods including ESI-TOF-MS, 1D, and 2D NMR experiments. The metabolic pathway of koumine was proposed. The cytotoxic activities between koumine and its metabolites were also compared in the A549 cell line.
Authors:
Lin Zhang; Lan Du; Wen-Wen Lv; Qing-Chun Zhao; Wei Hua; Ye An; Tao Guo; Li-Jun Wu
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-17
Journal Detail:
Title:  Journal of Asian natural products research     Volume:  -     ISSN:  1477-2213     ISO Abbreviation:  J Asian Nat Prod Res     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100888334     Medline TA:  J Asian Nat Prod Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
a Department of Pharmacy , General Hospital of Shenyang Military Area Command , Shenyang , 110840 , China.
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