白英中的倍半萜类化合物(1)
摘要: 采用硅胶柱色谱、Sephadex LH-20柱色谱及制备薄层等方法对白英中的倍半萜进行分离纯化,根据理化性质和波谱数据鉴定其化学结构,发现并鉴定了10个倍半萜,分别为1β-羟基-1,2-二氢-α-山道年(1),boscialin(2),布卢门醇C(3),3β-hydroxy-5α,6α-epoxy-7-megastigmen-9-one(4),去氢催吐萝芙木醇(5),布卢门醇 A(6),(1′S,2R,5S,10R)-2-(1′,2′-dihydroxy-1′-methylethyl)-6,10-dimethylspiro[4,5]dec-6-en-8-one(7),(1′R,2R,5S,10R)-2-(1′,2′-dihydroxy-1′-methylethyl)-6,10-dimethylspiro[4,5]dec-6-en-8-one(8),2-(1′,2′-dihydroxy-1′-methylethyl)-6,10-dimethyl-9-hydroxyspiro[4 ......
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