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[摘要]
从大戟科小狼毒Euphorbia prolifera根的乙醇提取物中分得2个二萜化合物,通过光谱分析鉴定为3,5,8-三乙酰基-5α-苯甲酰基-14-丙酰基曼西醇类二萜(3,5,8-triacetyl-5α-benzoyl-14-propanoyl myrsinoltype diterpene with C9~C10cyclized to form anadditional lactonering,Ⅰ),3-乙酰基-5β,8α-二苯甲酰基-14-丙酰基曼西醇类二萜(3-acetyl-5β,8α-dibenzoyl-14-propanoyl myrsinoltype diterpene with C9~C10 cyclized to form anadditional lactone ring,Ⅱ)。其中Ⅱ为新化合物。
[Key word]
[Abstract]
From the ethanol extracts of the roots of Euphorbia prolifera Buch-Hom, two diterpenes were isolated and their structures were identified by spectral methods as:3, 5, 8-triacetyl-5α-benzoyl-14-propanoyl myrsinoltype diterpene with C9~C10 cyclized to form an additional lactone ring (Ⅰ),;3-acetyl-5β, 8α-dibenzoyl14-propanoyl myrsinoltype diterpene with C9~C10 cyofized to form an additinal lactone ring (Ⅱ). Compound Ⅱ was a new one.
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