Migratory insertion of copper-allenylidene from propargyl ester.
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DOI: 10.1039/d2cc00681b
Abstract: The highly efficient copper-catalyzed homo-dimerization and cross-coupling of propargyl esters have been developed. Various 1-en-3,5-diynes, [5]cumulenes and 1,3-diynes were successfully furnished via the copper-allenylidene intermediates with moderate to excellent yields. Migratory insertion is proposed as… read more here.
Keywords: migratory insertion; copper; copper allenylidene; insertion copper ... See more keywords