Amidine is a notable nitrogen‐containing structural motif found in bioactive natural products and pharmaceuticals. Herein, a novel rhodium(I)‐catalyzed tandem reaction of readily accessible azides with isonitriles and boronic acids via a carbodiimideintermediate is achieved. This protocol offers an alternative approach toward N‐sulfonyl‐, N‐acyl‐, and N‐ phosphoryl‐functionalized, as well as general
Unprecedented 1,3-<i>tert</i>-butyl migration <i>via</i> the C–N single bond scission of isonitrile: an expedient metal-free route to <i>N</i>-sulfonyl amidines
isonitrile with N,N-dibromoaryl sulfonamides and nitrile. The reaction involves the simultaneous C–N single bond scission of isonitrile and the migration of the tert-alkyl group to the adjacent unsaturated nitrogen centre of the nitrile precursor, which eventually results in the formation of N-sulfonyl amidine. This method constitutes a new route for sulfonyl amidine, which does not rely on transition metals