（3S）-2-Oxo-5,12-dimethoxy-3-hydroxy-3-methylbenz[f]indoline （1）, a new benzoxindole alkaloid, along with two known alkaloids, was isolated from the root barks of Goniothalamus cheliensis Hu. The structure was eluc...（3S）-2-Oxo-5,12-dimethoxy-3-hydroxy-3-methylbenz[f]indoline （1）, a new benzoxindole alkaloid, along with two known alkaloids, was isolated from the root barks of Goniothalamus cheliensis Hu. The structure was elucidated by spectroscopic evidences, and the absolute configuration was determined by CD spectrum.展开更多
Two novel styryllactones,goniodilactone（1） and gonioheptenolactone（2）,were isolated from the leaves of Goniothalamus cheliensis Hu.Their structures were determined on the basis of spectroscopic data as well as X-r...Two novel styryllactones,goniodilactone（1） and gonioheptenolactone（2）,were isolated from the leaves of Goniothalamus cheliensis Hu.Their structures were determined on the basis of spectroscopic data as well as X-ray crystallography analysis. Compounds 1 and 2 exhibited significant cytotoxicities in a panel of human cancer cells,including DU-145,PC-3,MCF-7,A-549, KB and KBvin,with GI_（50）S in the range of 1.29-4.56μg/mL.展开更多
A new benzosesquiterpenoid dimer, 3 ' ,3 ' ' ' -bispolycerasoidol (1), along with its monomer, polycerasoidol, were isolated from the dried leaves of Polyalthia cheliensis Hu. The structure of 1 was es...A new benzosesquiterpenoid dimer, 3 ' ,3 ' ' ' -bispolycerasoidol (1), along with its monomer, polycerasoidol, were isolated from the dried leaves of Polyalthia cheliensis Hu. The structure of 1 was established by spectroscopic methods.展开更多
Two new compounds, gonioquinone (1) and goniofufurone acetonide (2), have been isolated from the roots of Goniothalamus cheliensis Hu. Their structures were determined on the basis of spectral and chemical evidence.
Two new styryllactones, iso-goniopypyrone and 8-acetyl-9-deoxygoniopypyrone, were isolated from the roots of Goniothalamus cheliensis. Their structure were elucidated on the basis of spectroscopic and chemical eviden...Two new styryllactones, iso-goniopypyrone and 8-acetyl-9-deoxygoniopypyrone, were isolated from the roots of Goniothalamus cheliensis. Their structure were elucidated on the basis of spectroscopic and chemical evidences.展开更多
文摘（3S）-2-Oxo-5,12-dimethoxy-3-hydroxy-3-methylbenz[f]indoline （1）, a new benzoxindole alkaloid, along with two known alkaloids, was isolated from the root barks of Goniothalamus cheliensis Hu. The structure was elucidated by spectroscopic evidences, and the absolute configuration was determined by CD spectrum.
基金supported by the National Natural Science Foundation of China(No29572087)awarded to JGYupartially supported by NIH grant CA17625 awarded to KHLee
文摘Two novel styryllactones,goniodilactone（1） and gonioheptenolactone（2）,were isolated from the leaves of Goniothalamus cheliensis Hu.Their structures were determined on the basis of spectroscopic data as well as X-ray crystallography analysis. Compounds 1 and 2 exhibited significant cytotoxicities in a panel of human cancer cells,including DU-145,PC-3,MCF-7,A-549, KB and KBvin,with GI_（50）S in the range of 1.29-4.56μg/mL.
文摘A new benzosesquiterpenoid dimer, 3 ' ,3 ' ' ' -bispolycerasoidol (1), along with its monomer, polycerasoidol, were isolated from the dried leaves of Polyalthia cheliensis Hu. The structure of 1 was established by spectroscopic methods.
基金This research was supported by National 973 Project(G1998051120).
文摘Two new compounds, gonioquinone (1) and goniofufurone acetonide (2), have been isolated from the roots of Goniothalamus cheliensis Hu. Their structures were determined on the basis of spectral and chemical evidence.
文摘Two new styryllactones, iso-goniopypyrone and 8-acetyl-9-deoxygoniopypyrone, were isolated from the roots of Goniothalamus cheliensis. Their structure were elucidated on the basis of spectroscopic and chemical evidences.
