Iron-catalyzed regioselective α,α-dichlorocarbonylation of alkynes under photo-irradiation

α,α-Dichlorocarbonyl core exhibited unique versatility towards a series of cyclic and acyclic scaffolds. Besides, it is ubiquitous in numerous biologically interesting products. As such, efficient and divergent synthetic methodology for achieving α,α-dichlorocarbonyl structural core under mild conditions attracted tremendous attentions so far. In this paper, an efficient route for the synthesis of α,α-dichlorocarbonyl compounds via an oxidative nucleophilic oxychlorination of alkyne under iron/photo dual catalysis is described under mild conditions.