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Direct photocatalytic fluorination of benzylic C–H bonds with N-fluorobenzenesulfonimide†
Matthew B. Nodwell,Abhimanyu Bagai,Shira D. Halperin,Rainer E. Martin,Henner Knust,Robert Britton
Chemical Communications Pub Date : 06/24/2015 00:00:00 , DOI:10.1039/C5CC04058B
Abstract

The late-stage fluorination of common synthetic building blocks and drug leads is an appealing reaction for medicinal chemistry. In particular, fluorination of benzylic C–H bonds provides a means to attenuate drug metabolism at this metabolically labile position. Here we report two complimentary strategies for the direct fluorination of benzylic C–H bonds using N-fluorobenzenesulfonimide and either a decatungstate photocatalyst or AIBN-initiation.

Graphical abstract: Direct photocatalytic fluorination of benzylic C–H bonds with N-fluorobenzenesulfonimide
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