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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 840862Generated: October 30, 2026

4-Nitro-m-toluidine → HCID 21956270, compound

https://huagongshe.com/reaction/840862

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Nitro-m-toluidineHCID 11898—
Reactant4-Hydrazinylbenzenesulfonamide hydrochlorideHCID 2794567—
ReactantHCID 21956270HCID 21956270—
ProductHCID 21956270HCID 21956270—
ProductHCID 178486275HCID 178486275—

Reaction Steps

4-Methyl-5-nitro-1H-indole-2,3-dione was prepared from 3-methyl-4-nitroaniline according to Procedure A: 1H NMR (DMSO-d6): δ11.5 (s, 1H), 8.2 (d, 1H), 6.8 (d, 1H), 2.7 (s, 3H); APCI−MS m/z 205 (M−H)−. The title compound was prepared in 84% yield from 4-methyl-5-nitro-1H-indole-2,3-dione and 4-sulfonamidophenylhydrazine hydrochloride according to Procedure G: 1H NMR (DMSO-d6): δ13.0 (s, 1H), 11.6 (s, 1H), 7.9 (d,1H), 7.7 (d, 2H), 7.6 (d, 2H), 7.3 (q, 1H), 6.9 (d, 1H), 2.8 (s, 3H), 2.4 (d, 3H); APCI−MS m/z 388 (M−H)−.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06369086B1
Source datasetuspto-grants-2002_04
ORD IDord-d3b37261b24c46bf968cc3bf84c1186b
Source noteuspto-grants-2002_04