... Heterocyclic Chem., 26, 317 (1989 ... CI о "W VrJ Scheme I Substitution-Rearrangement of 7-aza to 5-azaindoles Method A I J J 5a - 10a, 11 Our continuing efforts to ... The chemical shift for H-3 was observed at 4.95 ppm as a singlet rather than the usual doublet around 6.80 ppm. ...