Synthesis of β-Trifluoromethylated Ketones from Propargylic Alcohols by Visible Light Photoredox Catalysis
作者:Sehyun Park、Jung Min Joo、Eun Jin Cho
DOI:10.1002/ejoc.201500031
日期:2015.7
A practical method to access β-trifluoromethyl ketonesfrom readily available propargylicalcohols by visiblelight photocatalysis has been developed. Trifluoromethylation of propargylicalcohols with CF3I in the presence of Ru(bpy)3Cl2 as the photocatalyst followed by double-bond migration/keto-enol tautomerization provides β-trifluoromethyl ketones as the final product.