Heteroleptic copper(I) complexes as energy transfer photocatalysts for the intermolecular [2 + 2] photodimerization of chalcones, cinnamates and cinnamamides
作者:Qing-An Wu、Chen-Chao Ren、Feng Chen、Tian-Qi Wang、Yu Zhang、Xue-Fen Liu、Jian-Bin Chen、Shu-Ping Luo
DOI:10.1016/j.tetlet.2021.153091
日期:2021.5
The [2 + 2] photodimerization of chalcones, cinnamates and cinnamamides can be effectively catalyzed by heteroleptic copper(I) complexes. The reactions were carried out under mild reaction conditions and the products were obtained in 20–72% yield under visible light irradiation. The copper-based photocatalyst comprised of the rigid phenanthroline ligand with substituents at the 2,9-positions and the