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[摘要]
目的 研究猫眼草Euphorbia lunulata的化学成分。方法 采用硅胶柱色谱、HPLC色谱等方法进行分离,依据理化性质及波谱数据鉴定化合物的结构。结果 从猫眼草无水乙醇浸提液的正己烷萃取物中分离得到1个化合物,鉴定为2α,3β,5α,9α,15β-pentaacetoxy-11,12-epoxy-7β-isobutyryl-8α-benzoyloxyjatropha-6(17)-en-14-one(1)。结论 化合物1为未见报道的新化合物,命名为8-苯甲酰基-猫眼草素。
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[Abstract]
Objective To study the chemical constituents of Euphorbia lunulata. Methods Separation and purification were performed on silica gel chromatography and HPLC, while their structures were identified on the basis of physicochemical characteristics and spectroscopic data. Results A new compound was isolated from anhydrous ethanol extracts of E. lunulata. The compound was elucidated as 2α,3β,5α,9α,15β-pentaacetoxy-11,12-epoxy-7β-isobutyryl-8α-benzoyloxyjatropha-6(17)-en-4-one. Conclusion Compound 1 is a new compound named 8Bz-esulatin A.
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[基金项目]
黑龙江省自然科学基金面上项目(B201209);黑龙江省教育厅青年学术骨干项目(1253G064)