銅-アセチリド錯体を鍵中間体として経由する触媒反応の最近の進展

概要

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Recent progress in catalytic reactions via copper-acetylide complexes as key intermediates is reviewed from the viewpoint of organic synthesis. A variety of novel catalytic reactions such as cross-coupling reactions, addition reactions, and cycloaddition reactions using copper-acetylide complexes as carbon sources have been developed. Copper complexes bearing an optically active ligand promote various asymmetric transformations such as propargylic substitution reactions of propargylic esters and ring-opening reactions of ethynyl epoxides, where copper-allenylidene complexes work as key and common intermediates.