薯蓣皂素配基中加入6α-甲基
THE INTRODUCTION OF C6α-METHYL GROUP INTO DIOSGENIN
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摘要: 从薯蓣皂素配基出发,合成了C6a-甲基化合物(Ⅷ).(Ⅷ)(R=Ac)用氯化亚硫酰或氧氯化磷处理,生成α-环氧化物(Ⅸ).Abstract: From steroid sapogenin,diosgenin(Ⅰ),the C6α-methyl compound(Ⅷ,R=H or Ac) has been prepared.It was converted into the α-oxide (Ⅸ) upon treatment with thionyl chloride or phosphorus oxychloride.
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