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An unexpected synthesis of an α, β, γ, δ‐unsaturated ketone due to an abnormal opening of benzylidene acetal by bromide anion
Author(s) -
ChangQing Wei,
Gang Zhao,
Yu Ding
Publication year - 2000
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.20000180215
Subject(s) - chemistry , acetal , ketone , bromide , ring (chemistry) , medicinal chemistry , stereochemistry , organic chemistry
An unexpected synthesis of an α, β, γ, δ‐unsaturated ketone, which embodies a new type of oxy‐carbon cyclic structure, was achieved, while we tried to construct the taxane CB‐ring system. Also, a series of abnormal reaction phenomens was found to be related to the formation and reaction of seven membered cyclic benzylidene acetal.