Regio- and Stereoselective Alkenylation of Allenoates with gem-Difluoroalkenes: Facile Access to Fluorinated 1,4-Enynes Bearing an All-Carbon Quaternary Center.
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DOI: 10.1021/acs.orglett.9b00775
Abstract: A regio- and stereoselective synthesis of fluorinated 1,4-enynes bearing an all-carbon quaternary center at the propargylic position is developed. The synthesis starts from readily available allenoates and gem-difluoroalkenes and proceeds via a key alkynylenolate intermediate… read more here.
Keywords: enynes bearing; carbon quaternary; fluorinated enynes; regio stereoselective ... See more keywords