Tetrahedron p. 6471 - 6478 (2017)
Update date:2022-09-26
Topics:
Wu, Ling-Ling
Tang, Li
Zhou, Shui-Gen
Peng, Yi-Jie
He, Xiao-Dong
Guan, Zhi
He, Yan-Hong
We report an example of Rose Bengal-photosensitized oxidation of tertiary amines 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.
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