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2010•Chinese Journal of ChemistryOpen access

A Tandem Intramolecular Michael Addition/Wittig Reaction for the Synthesis of Fused Cyclohexadiene Derivatives

Qinggang Wang, Xiu‐Li Sun, Jun‐Cheng Zheng, Yong Tang

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Abstract

Abstract 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.

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Abstract 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.

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Available abstract

Abstract 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.

Key concepts: Chemistry, Wittig reaction, Tandem, Annulation, Phosphonium salt, Intramolecular force, Michael reaction, Phosphonium

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