Regioselective functionalization of 1H-pyrrolo[2,3-b]pyridine via its N-oxide

Article abstract of DOI:10.1055/s-1992-26193

Selective functionalization of 1H-pyrrolo[2,3-b]pyridine (7-azaindole) at the 6-position was achieved by Reissert-Henze type reaction. Thus, halogeno (Cl, Br, I), cyano and thiocyanato groups were directly introduced to the pyridine ring of 7-azaindole.