J Integr Plant Biol. ›› 2004, Vol. 46 ›› Issue (1): 124-126.

• Research Articles • Previous Articles    

Chemical Constituents of Dendrobium moniliforme

BI Zhi-Ming, WANG Zheng-Tao, XU Luo-Shan   

Abstract:

A new bibenzyl derivative, moniliformine, along with six known compounds, was isolated from a orchid Dendrobium moniliforme (L.) Sw. The new compound was identified as 3,4-dihydroxy-5,4''-dimethoxy bibenzyl on the basis of 1D and 2D NMR experiments. The six known compounds were determined to be a-dihydropicrotoxinin, n-triacontyl p-hydroxy-cis-cinnamate, n-octacostyl ferulate, b-sitosterol, daucosterol and n-nonacosane, respectively. Among them, a-dihydropicrotoxinin was isolated for the first time from the plant kingdom.

Key words: Dendrobium moniliforme, moniliformine, a-dihydropicrotoxinin

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