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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 346729Generated: October 26, 2026

4-Toluenesulfonyl chloride → 4-Methyl-N-[2-[(phenylsulfonyl)amino]-4-(1-piperazinyl)phenyl]benzenesulfonamide

https://huagongshe.com/reaction/346729

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Toluenesulfonyl chlorideHCID 7397—
ReactantN-(2-amino-5-(4-boc-1-piperazinyl)-phenyl)-benzenesulfonamideHCID 22272479—
Product4-Methyl-N-[2-[(phenylsulfonyl)amino]-4-(1-piperazinyl)phenyl]benzenesulfonamideHCID 10228031—

Reaction Steps

4-Methyl-N-[2-[(phenylsulfonyl)amino]-4-(1-piperazinyl)phenyl]benzenesulfonamide was synthesized from N-{2-amino-5-(4-t-butyloxycarbonyl-piperazinyl)-phenyl}benzenesulfonamide and p-toluenesulfonylchloride (46 mg, 0.239 mmol) according to general method 3 to give 70 mg of a purple solid. MS (posES-FIA) m/z=Found: 487.2; Calcd: 487.14; 1H-NMR δ 7.73–7.45 (m, 7H), 7.26 (d, 2H), 6.74 (s, 1H), 6.62–6.60 (m, 2H), 3.69 (app t, 2H), 3.39 (app t, 2H), 3.29–3.74 (m, 4H), 2.38 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07173035B2
Source datasetuspto-grants-2007_02
ORD IDord-7fc923dde58d43b6955d728b44dd53d2
Source noteuspto-grants-2007_02