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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 495579Generated: October 25, 2026

p-(Trifluoromethoxy)benzenesulphonyl chloride → N-[4-Bromo-2-(pyridine-4-carbonyl)-phenyl]4-trifluoromethoxy-benzenesulfonamide

https://huagongshe.com/reaction/495579

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-(Trifluoromethoxy)benzenesulphonyl chlorideHCID 523102—
Reactant(2-Amino-5-bromophenyl)(pyridin-4-yl)methanoneHCID 13549724—
ProductN-[4-Bromo-2-(pyridine-4-carbonyl)-phenyl]4-trifluoromethoxy-benzenesulfonamideHCID 10413664—

Reaction Steps

The title compound was prepared according to the general procedure for the synthesis of N-Aryl-benzenesulfonamides previously described using 138 mg of (2-Amino-5-bromo-phenyl)-pyridin-4-yl-methanone and 130 mg of 4-Trifluoromethoxy-benzenesulfonyl chloride. 1H-NMR (400 MHz, CDCl3): δ 7.23 (d, 2H, J=8.0 Hz), 7.45 (m, 3H), 7.71 (m, 2H), 7.85 (d, 2H, J=8.8 Hz), 8.85 (d, 2H, J=6.4 Hz), 10.23 (s, 1H). MS: m/z 502.9 (M++1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06939885B2
Source datasetuspto-grants-2005_09
ORD IDord-fabd7402b5af438fb38ce3b1f4b94a7f
Source noteuspto-grants-2005_09