4-Hydrazinylbenzenesulfonamide hydrochloride → HCID 178514744, compound

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The title compound was prepared from 4-nitro-1H-indole-2,3-dione (Gassman, et al., Journal of Organic Chemistry 1977, 42, 1344-8) and 4-sulfonamidophenylhydrazine hydrochloride according to Procedure G in 33% yield: 1H NMR (DMSO-d6): δ7.23 (d, J=7.7 Hz, 1H), 7.31 (s, 2H), 7.47 (t, J=7.9 Hz, 1H), 7.56 (d, J=7.9 Hz, 2H), 7.59 (d, J=7.2 Hz,1H), 7.83 (d, J=7.7 Hz, 2H), 11.59 (s, 1H), 13.20 (s, 1H); APCI−MS m/z 361 (M)−. Anal. Calcd for C14H11N5O5S: C, 46.54, H, 3.07; N, 19.38; S, 8.87. Found C, 46.62, H, 3.09; N, 19.46; S. 8.81.

Provenance & Evidence