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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 73387Generated: October 25, 2026

Cyclopentanesulfonyl chloride → N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)phenyl)cyclopentanesulfonamide

https://huagongshe.com/reaction/73387

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclopentanesulfonyl chlorideHCID 3717197—
Reactant5,6-difluoro-N1-(2-fluoro-4-iodophenyl)benzene-1,2-diamineHCID 59386306—
ProductN-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)phenyl)cyclopentanesulfonamideHCID 53492361—

Reaction Steps

According to the general procedure B, 5,6-difluoro-N1-(2-fluoro-4-iodophenyl)benzene-1,2-diamine was reacted with cyclopentanesulfonyl chloride to obtain the desired product 1H NMR (300 MHz, CDCl5): δ 7.42 (dd, J=2.1 & 10.5 Hz, 1H), 7.36 (ddd, J=2.4, 4.8, & 9.3 Hz, 1H), 7.25 (m, 2H), 7.10 (dd, J=9.6 & 17.7 Hz, 1H), 6.67 (br s, D2O exchangeable, 1H), 6.20 (dt, J=1.5, 8.4 & 17.4 Hz, 1H), 3.53 (p, 1H), 1.80 (m, 8H); m/z=495 [M−1]−.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08829052B2
Source datasetuspto-grants-2014_09
ORD IDord-5a2abdf78e9641d393080be27206c270
Source noteuspto-grants-2014_09