1,2,3-Triazoles from carbonyl azides and alkynes: filling the gap
2014
Haldón, Estela | Álvarez, Eleuterio | Carmen Nicasio, M. | Pérez, P. J. (Pedro Julio)
Electron deficient azides are challenging substrates in CuAAC reactions. Particularly, when N-carbonyl azides are applied the formation of N-carbonyl triazoles has not yet been observed. We report herein the first example of this class of reaction, with a copper-based system that efficiently enables the synthesis of N-carbamoyl 1,2,3-triazoles by [3+2] cycloaddition of N-carbamoyl azides and alkynes.
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