Three New Styrylpyroncs from Goniothalamus leiocarpus

查看全文 作　　者：Qing MU;Chao Ming LI;Yi Neng HE;Han Dong SUN;Hui Lan ZHENG;Yang LU;Qi Tai ZHENG;Nan WU;Ren Wang JIANG(Phytochemistry Laboratory, Kunming Institute of Botany, the Chinese Acadmy of Sciences,Kunming 650204)(Institute of Meteria Medica. Chinese Academ 出　　处：《Chinese Chemical Letters》索引1999年第10卷第2期,共4页 摘　　要：Three new styrylpyrones. named 7-epi-goniodiol 1. leiocarpin B 2 and leiocarpin C 3.were isolated from the stem barks of Goniothalamus leiocarpus. Their structures were elucidated bymeans of spectral and chemical methods. The relative configuration of 1 and 2 were determined byX-ray crystallographic analysis. 关 键 词：ANNONACEAE Goniothalamus leiocarpus styrylpyrone 7-epi-goniodiol leiocarpin B leiocarpin C