%A CHENG Yong-Xian, LEI Mao-Lin, ZHOU Jun %T Sesquiterpenoids from Michelia lacei and Their Chemotaxonomic Significance %0 Journal Article %D 2002 %J Plant Diversity %R %P 1-3 %V 24 %N 01 %U {https://journal.kib.ac.cn/CN/abstract/article_32541.shtml} %8 2002-02-25 %X Five sesquiterpenoids and one phenolic glycoside have been isolated from the dried branches of Michelia lacei and their structures were elucidated as(+)-alloaromadendrane-4α,10β-diol (1),D-aromadendrane-4β,10α-diol (2),spathulenol (3), parthenolide (4),11,13-dehydrolanuginolide (5) and syringin (6) by spectral means respectively. Compounds 1-3 were aromadendrane-and alloaromadendrane-type sesquiterpenoids which were first isolated from the genus of Michelia. Their chemotaxonomic values are also discussed briefly in this paper.