Three new phenanthrenes,along with one known phenanthrene,were isolated from the ethanolic extract of the tubers of Cremastra appendiculata（D.Don） Makino.Their structures were elucidated on the basis of extensive sp...Three new phenanthrenes,along with one known phenanthrene,were isolated from the ethanolic extract of the tubers of Cremastra appendiculata（D.Don） Makino.Their structures were elucidated on the basis of extensive spectroscopic analysis.Compounds 1-4 were tested for in vitro cytotoxic activities against human lung（A549）,colon（HCT-116）,liver（HepG2）,and breast（MCF-7 and MDA-MB-231） cancer cell lines.展开更多
基金supported by National Key Technology R&D Program "New Drug Innovation" of China(Nos. 2012ZX09301002-002-002 and 2012ZX09304-005)
文摘Three new phenanthrenes,along with one known phenanthrene,were isolated from the ethanolic extract of the tubers of Cremastra appendiculata（D.Don） Makino.Their structures were elucidated on the basis of extensive spectroscopic analysis.Compounds 1-4 were tested for in vitro cytotoxic activities against human lung（A549）,colon（HCT-116）,liver（HepG2）,and breast（MCF-7 and MDA-MB-231） cancer cell lines.
