A new isopropenyl benzofuran-type tetramer was isolated from the roots of ligularia stenocephala and its structure was established by spectroscopic methods.
Two new benzofuran derivatives were isolated from the roots of Ligularia stenocephala. Their structures were established by spectroscopic methods and 2D NMR experiments.
基金supoaed by the National Natural Science Foundation of China(No.29972017)
文摘A new isopropenyl benzofuran-type tetramer was isolated from the roots of ligularia stenocephala and its structure was established by spectroscopic methods.
文摘Two new benzofuran derivatives were isolated from the roots of Ligularia stenocephala. Their structures were established by spectroscopic methods and 2D NMR experiments.
