Ying Gang LUO,Bo Gang LI,Guo Lin ZHANG* Chengdu Institute of Biology,Chinese Academy of Sciences,Chengdu 610041
Abstract:
A new quinolizidine alkaloid, 3-(4-hydroxyphenyl)-4-(3-methoxy-4-hydroxyphenyl)-3, 4-dehydroquinolizidine (1), was isolated from the ethanol extract of the whole plants of Boehmeria siamensis Craib. Its structure was elucidated on the analysis of 1D NMR and 2D NMR spectrum.