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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 240953Generated: October 25, 2026

3-Bromo-5-chlorothiophene-2-sulfonyl chloride → 3-Bromo-5-chloro-N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)phenyl)thiophene-2-sulfonamide

https://huagongshe.com/reaction/240953

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Bromo-5-chlorothiophene-2-sulfonyl chlorideHCID 2737400—
Reactant5,6-difluoro-N1-(2-fluoro-4-iodophenyl)benzene-1,2-diamineHCID 59386306—
Product3-Bromo-5-chloro-N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)phenyl)thiophene-2-sulfonamideHCID 53492430—

Reaction Steps

According to the general procedure B, 5,6-difluoro-N1-(2-fluoro-4-iodophenyl)benzene 1,2-diamine was reacted with 3-bromo-5-chlorothiophene-2-sulfonyl chloride to obtain the title compound. 1H NMR (300 MHz, CDCl3): δ 7.41 (dd, J=2.1 & 10.5 Hz, 1H), 7.35 (br m, 2H), 7.31 (dd, J=2.1 & 4.2 Hz, 1H), 7.19 (d, J=8.7 Hz, 1H), 7.08 (dd, J=9.0 & 17.4 Hz, 1H), 6.02 (dt, J=2.1, 8.4 & 17.1 Hz, 1H), 5.59 (br s, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08648116B2
Source datasetuspto-grants-2014_02
ORD IDord-246e4d0bb14e45f28a80f022c1e68118
Source noteuspto-grants-2014_02