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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2213199Generated: October 26, 2026

4-Hydrazinylbenzenesulfonamide hydrochloride → HCID 178440733, compound

https://huagongshe.com/reaction/2213199

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Hydrazinylbenzenesulfonamide hydrochlorideHCID 2794567—
Reactant4-isobutyl-1H-indole-2,3-dioneHCID 21956321—
ProductHCID 178440733HCID 17844073365%

Reaction Steps

Condensation of 4-isobutyl-1H-indole-2,3-dione and 4-sulfonamidophenylhydrazine hydrochloride according to Procedure G gave the title compound in 65% yield: 1H NMR (DMSO-d6): δ 0.96 (d, J=6.4 Hz, 6H), 2.05 (m, 1H), 2.87 (d, J=7.0 Hz, 2H), 6.79 (d, J=7.6 Hz, 1H), 6.85 (d, J=7.6 Hz, 1H), 7.20 (t, J=7.6 Hz, 1H), 7.26 (s, 2H), 7.51 (d, J=8.5 Hz, 2H), 7.81 (d, J=8.5 Hz, 2H), 11.13 (s, 1H), 13.03 (s, 1H); APCI-MS m/z 371 (M−1)−.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07105529B2
Source datasetuspto-grants-2006_09
ORD IDord-02ce4e3170734e338c0469e2d6529829
Source noteuspto-grants-2006_09