Four new tetrahydrofuran lignans,schpropinrins A-D(1-4),together with five known ones,were isolated from the leaves and stems of Schisandra propinqua var.sinensis.Their structures,including absolute configurations,wer...Four new tetrahydrofuran lignans,schpropinrins A-D(1-4),together with five known ones,were isolated from the leaves and stems of Schisandra propinqua var.sinensis.Their structures,including absolute configurations,were characterized by means of spectroscopic analysis and ECD calculation.Compounds 1-4 featured a ketal or hemiketal substructure at C-7 and all of the isolates were tested for their anti-HIV integrase activity.展开更多
基金the NSFC(No.20802082 and 30830115)the projects from the Chinese Academy of Sciences(KSCX2-EW-Q-10 and KSCX1-YW-R-24)+1 种基金the Major State Basic Research Development Program of China(No.2009CB522303 and 2009CB940900)the Natural Science Foundation of Yunnan Province(No.2012FB178)。
文摘Four new tetrahydrofuran lignans,schpropinrins A-D(1-4),together with five known ones,were isolated from the leaves and stems of Schisandra propinqua var.sinensis.Their structures,including absolute configurations,were characterized by means of spectroscopic analysis and ECD calculation.Compounds 1-4 featured a ketal or hemiketal substructure at C-7 and all of the isolates were tested for their anti-HIV integrase activity.
