Microwave-assisted copper(I) catalyzed A3-coupling reaction: Reactivity, substrate scope and the structural characterization of two coupling products

A3-coupling reaction of an alkyne, aldehyde and amine carried out under microwave condition (85 °C and 80 W) catalyzed by 0.1 mol% [{Cu(μ − I)2Cu}(PPh3)4] in 5 min. is described.145