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·2026
Photoinduced Multicomponent Difluoromethylation of Imines via Iron-Mediated Ligand-to-Metal Charge Transfer
Hyungwoo Choi, Jinwoo Lee, Seok Beom Lee, Sangmyung Han, Joonseok Jang, Suckchang Hong
IF 5Organic Letters
초록

α-CF<sub>2</sub>H substituted amines exhibit improved physicochemical properties and biological performance in pharmaceutically relevant molecules; however, to date, radical difluoromethylation has required expensive preactivated CF<sub>2</sub>H reagents and photocatalysts. Herein, we report an iron-mediated ligand-to-metal charge-transfer (LMCT) strategy that enables the direct difluoromethylation of imines generated in situ. Using earth-abundant iron catalysis and inexpensive difluoroacetate salts as a cost-effective CF<sub>2</sub>H source, this method affords pharmaceutically relevant α-CF<sub>2</sub>H amine structures under mild conditions with decagram-scale scalability.

키워드
ReagentCatalysisAmine gas treatingCharge (physics)Molecule
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article
IF / 인용수
5 / 0
게재 연도
2026