Rose Bengal-photosensitized oxidation of tertiary amines for the synthesis of bis-1,3-dicarbonyl compounds
作者:Ling-Ling Wu、Li Tang、Shui-Gen Zhou、Yi-Jie Peng、Xiao-Dong He、Zhi Guan、Yan-Hong He
DOI:10.1016/j.tet.2017.09.050
日期:2017.11
We report an example of Rose Bengal-photosensitized oxidation of tertiaryamines for the synthesis of bis-1,3-dicarbonyl compounds. This protocol employs Rose Bengal as a visible-light absorbing photocatalyst without the need of a transition metal, and air as a green oxidant. Various functional groups were well tolerated to afford products with yields of up to 80% under mild reaction conditions.