Decarboxylative Alkynylation and Carbonylative Alkynylation of Carboxylic Acids Enabled by Visible-Light Photoredox Catalysis

作者:Zhou, Quan-Quan; Guo, Wei; Ding, Wei; Wu, Xiong; Chen, Xi; Lu, Liang-Qiu*; Xiao, Wen-Jing
来源:Angewandte Chemie - International Edition, 2015, 54(38): 11196-11199.
DOI:10.1002/anie.201504559

摘要

Visible-light-induced photocatalytic decarboxylative alkynylations of carboxylic acids have been developed for the first time. The reaction features extremely mild conditions, broad substrate scope, and avoids additional oxidants. Importantly, a decarboxylative carbonylative alkynylation has also been carried out in the presence of carbon monoxide (CO) under photocatalytic conditions, which affords valuable ynones in high yields at room temperature.