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 meth...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.展开更多
A dimer of styrylpyrone derivative, leiocarpin E (1), was isolated from the bark of Goniothalamus leiocarpus. Its structures was elucidated by means of spectral and chemical methods. The cytotoxicity of leiocarpin E ...A dimer of styrylpyrone derivative, leiocarpin E (1), was isolated from the bark of Goniothalamus leiocarpus. Its structures was elucidated by means of spectral and chemical methods. The cytotoxicity of leiocarpin E against HL-60 cells was tested.展开更多
文摘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.
文摘A dimer of styrylpyrone derivative, leiocarpin E (1), was isolated from the bark of Goniothalamus leiocarpus. Its structures was elucidated by means of spectral and chemical methods. The cytotoxicity of leiocarpin E against HL-60 cells was tested.