【摘 要】
：
A direct E-ring opening of dioscin ester by BF3-Et2O/Ac2O was studied,and methyl protodioscin was synthesized from dioscin ester in three steps with a total
【机 构】
：
Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education,School of Pharma
【出 处】
：
第九届IUPAC化学生物学国际研讨会暨第八届世界华人药物化学研讨会
论文部分内容阅读
A direct E-ring opening of dioscin ester by BF3-Et2O/Ac2O was studied,and methyl protodioscin was synthesized from dioscin ester in three steps with a total yield of 44%.The details of the E-ring opening reaction was discussed,and a prominent stability of C16-OAc was obversed.
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