Abstract

A convenient and general microwave-assisted method for the synthesis of stereochemically defined α-methylalkenoic acids and esters from allylic phosphonium salts in a basic aqueous medium is described. A selective preparation of acids or esters was dependent on the base (NaOH or NaHCO3) employed in the reaction and could be achieved with good to excellent yields under mild conditions in the absence of hydrides and reducing agents. © 2012 Wiley Periodicals, Inc. Heteroatom Chem 23:179–186, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/hc.21001

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