Migratory insertion of copper-allenylidene from propargyl ester
Qinglin Yao, Boxiang Liu, Tongxiang Cao, Shifa Zhu
Abstract
The highly efficient homo-dimerization and cross-coupling of propargyl esters via migratory insertion of the copper-allenylidenes have been developed to give various 1-en-3,5-diynes, [5]cumulenes and 1,3-diynes with moderate to excellent yields.
Topics & Concepts
PropargylCopperCarbeneChemistrySelectivityCoupling (piping)CatalysisMigratory insertionPolymer chemistryCombinatorial chemistryMedicinal chemistryOrganic chemistryMaterials scienceMetallurgyCatalytic Alkyne ReactionsCyclopropane Reaction MechanismsCatalytic Cross-Coupling Reactions