HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Hydrazinylbenzenesulfonamide hydrochloride → HCID 178435488, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Hydrazinylbenzenesulfonamide hydrochloride | HCID 2794567 | — |
| Reactant | 6-Ethyl-1H-indole-2,3-dione | HCID 13827083 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 178435488 | HCID 178435488 | 79% |
Reaction Steps
The title compound was prepared from 6ethyl-1H-indole-2,3-dione (Krantz and Young, 1989, U.S. Pat. No. 4,873,232) and 4-sulfonamidophenylhydrazine hydrochloride according to Procedure G in 79% yield: 1H NMR (DMSO-d6): δ 1.16 (t, J=7.5 Hz, 3H), 2.60 (q, J=7.5 Hz, 2H), 6.74 (s, 1H), 6.89 (d, J=7.5 Hz, 1H), 7.22 (s, 2H), 7.46 (d, J=7.5 Hz, 1H), 7.50 (d, J=8.7 Hz, 1H), 7.75 (d, J=8.7 Hz, 2H), 11.02 (s, 1H), 12.70 (s, 1H); APCI−MS m/z 343 (M−H)−. Anal. Calcd for C16H16N4O3S.0.32 H2O: C, 54.88, H, 4.79; N, 16.00; S, 9.16. Found C, 54.81, H, 4.59; N, 16.06; S, 9.04.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06541503B2 |
| Source dataset | uspto-grants-2003_04 |
| ORD ID | ord-50e8065a683942c194d0b193b9ebbe52 |
| Source note | uspto-grants-2003_04 |