Catalyst-free room-temperature decarboxylative tri- or tetrafunctionalization of alkynyl carboxylic acids with <i>N</i>-fluorobenzenesulfonimide (NFSI) and diselenides

Abstract

The combination of <italic>N</italic>-fluorobenzenesulfonimide (NFSI) with diselenides allowed the rapid decarboxylative tri- or tetrafunctionalization of alkynyl carboxylic acids under catalyst-free room-temperature conditions. This reaction offers an novel and facile route to polyseleno-substituted enamines.