Azide-alkyne cycloadditions with an electronically activated alkyne: indole formation via 1-aryl-1,2,3-triazole-derived imino carbenes.
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DOI: 10.1039/d1cc06975f
Abstract: We report that the use of a diaminoalkyne in the azide-alkyne cycloaddition with aryl azides leads to 3H-indoles under mild, uncatalysed conditions. Computations reveal that N2 extrusion from, in one case, isolable triazoles is facile,… read more here.
Keywords: cycloadditions electronically; activated alkyne; alkyne cycloadditions; electronically activated ... See more keywords