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A Tandem Intramolecular Michael Addition/Wittig Reaction for the Synthesis of Fused Cyclohexadiene Derivatives
Author(s) -
Wang Qinggang,
Sun Xiuli,
Zheng Juncheng,
Tang Yong
Publication year - 2010
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.201090274
Subject(s) - chemistry , wittig reaction , tandem , annulation , phosphonium salt , intramolecular force , michael reaction , phosphonium , cascade reaction , combinatorial chemistry , salt (chemistry) , stereochemistry , organic chemistry , catalysis , materials science , composite material
A tandem intramolecular Michael addition/Wittig reaction has been developed for the synthesis of fused cyclohexadiene derivatives from phosphonium salt 3 . This annulation reaction affords the cyclohexadienes in moderate to excellent yields, depending on the substrates. A mechanism is proposed to account for the tandem process.