An improved synthesis of methyl protodioscin. II. A direct E-ring opening by BF 3-Et 2O/Ac 2O from dioscin ester

Bo Wang; Yang Liu; Xin Liu; Mao Sheng Cheng

doi:10.1246/cl.2012.1015

An improved synthesis of methyl protodioscin. II. A direct E-ring opening by BF ₃-Et ₂O/Ac ₂O from dioscin ester

Bo Wang, Yang Liu, Xin Liu, Mao Sheng Cheng

Chemistry

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

A direct E-ring opening of dioscin ester by BF ₃-Et ₂O/Ac ₂O 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.

Original language	English (US)
Pages (from-to)	1015-1017
Number of pages	3
Journal	Chemistry Letters
Volume	41
Issue number	9
DOIs	https://doi.org/10.1246/cl.2012.1015
State	Published - Sep 25 2012

All Science Journal Classification (ASJC) codes

Chemistry(all)

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10.1246/cl.2012.1015

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abstract = "A direct E-ring opening of dioscin ester by BF 3-Et 2O/Ac 2O 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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AU - Cheng, Mao Sheng

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AB - A direct E-ring opening of dioscin ester by BF 3-Et 2O/Ac 2O 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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