Enantioselective Iridium-Catalyzed Allylic Alkylation Reactions of Masked Acyl Cyanide Equivalents
journal contributionposted on 14.03.2017, 19:24 by J. Caleb Hethcox, Samantha E. Shockley, Brian M. Stoltz
The first enantioselective iridium-catalyzed allylic alkylation reaction of a masked acyl cyanide (MAC) reagent has been developed. The transformation allows for the use of an umpoled synthon, which serves as a carbon monoxide equivalent. The reaction proceeds with good yield and excellent selectivity up to gram scale for a wide range of substituted allylic electrophiles, delivering products amenable to the synthesis of highly desirable, enantioenriched vinylated α-aryl carbonyl derivatives.
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Masked Acyl Cyanide Equivalentscarbon monoxide equivalentselectivityreaction proceedsenantioselective iridium-catalyzed allylic alkylation reactionallylic electrophilesacyl cyanidetransformationenantioenriched vinylated α- aryl carbonyl derivativesgram scalereagentumpoled synthonMACEnantioselective Iridium-Catalyzed Allylic Alkylation Reactionssynthesis