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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 840834Generated: October 25, 2026

4-Hydrazinylbenzenesulfonamide hydrochloride → HCID 178514751, compound

https://huagongshe.com/reaction/840834

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Hydrazinylbenzenesulfonamide hydrochlorideHCID 2794567—
Reactant5-NitroisatinHCID 4669250—
ProductHCID 178514751HCID 17851475194%

Reaction Steps

The title compound was prepared from 5-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 94% yield: 1H NMR (DMSO-d6): δ7.14 (d, J=8.6 Hz, 1H), 7.33 (s, 2H), 7.75 (d, J=8.8 Hz, 2H), 7.84 (d, J=8.8 Hz, 2H), 8.23 (dd, J=2.2, 8.6 Hz,1H), 8.42 (d, J=2.2 Hz, 1H), 11.76 (s, 1H), 12.78 (s, 1H). Anal. Calcd for C14H11N5O5S: C, 46.54, H, 3.07; N, 19.38. Found C, 46.76, H, 3.13; N, 19.23.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06369086B1
Source datasetuspto-grants-2002_04
ORD IDord-abbe83c66f4d47a6920439782eed0c61
Source noteuspto-grants-2002_04