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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 29585Generated: October 26, 2026

p-(Trifluoromethoxy)benzenesulphonyl chloride → N-[4-Chloro-2-(pyridine-3-carbonyl)-phenyl]-4-trifluoromethoxy-benzenesulfonamide

https://huagongshe.com/reaction/29585

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-(Trifluoromethoxy)benzenesulphonyl chlorideHCID 523102—
Reactant(2-Amino-5-chlorophenyl)(pyridin-3-yl)methanoneHCID 13549723—
ProductN-[4-Chloro-2-(pyridine-3-carbonyl)-phenyl]-4-trifluoromethoxy-benzenesulfonamideHCID 10049741—

Reaction Steps

The title compound was prepared according to the general procedure for the synthesis of N-Aryl-benzenesulfonamides previously described using (2-amino-5-chloro-phenyl)-pyridin-3-yl-methanone and 4-Trifluoromethoxy-benzenesulfonyl chloride and purified by HPLC. 1H NMR: δ 6.93 (d, J=8.0 Hz, 1H), 7.51 (d, J=8.8 Hz, 2H), 7.58-7.61 (m, 3 H), 7.67 (d, J=8.8 Hz, 2H), 8.03-8.05 (m, 1H), 8.74 (d, J=1.6 Hz, 1H), 8.79 & 8.80 (dd, J=6.0 Hz, 1.6 Hz, 1H), 9.73 (s, 1H). MS: M/z 456.9 (M++1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07420055B2
Source datasetuspto-grants-2008_09
ORD IDord-44138ebe391d47aaa2012adeeb38595a
Source noteuspto-grants-2008_09