关键词: 光催化, 三氯化铈, C-C断裂, 六氢哒嗪

Abstract: A visible⁃light induced strategy for C-C bond cleavage, amination of cyclobutanols was reported. The key alkoxy radicals were generated by employing inexpensive cerium catalyst, though charge transfer under visible⁃light irradiation which would undergo a selective β⁃scission and trapped by DBAD to afford hexahydropyridazine derivatives effectively.This reaction combines visible light and inexpensive cerium salts to develop a general practical strategy for the selective carbon⁃carbon bond cleavage and functionalization of ketones. Under operationally simple conditions, cyclobutanone compounds can be successfully converted into universal chemical structural units. Provides a nitrogen⁃containing compound while enriching the carbon⁃carbon bond breaking conversion method.

Key words: Photocatalysis, Cerium trichloride, C-C bond cleavage, Hexahydropyridazine