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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1693113Generated: October 29, 2026

4-Bromo-2-(trifluoromethoxy)aniline → 5-Fluoro-3-methyl-benzo[b]thiophene-2-sulfonic acid (4-bromo-2-trifluoromethoxy-phenyl)-amide

https://huagongshe.com/reaction/1693113

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Bromo-2-(trifluoromethoxy)anilineHCID 737382—
Reactant5-Fluoro-3-methylbenzo[b]thiophene-2-sulphonyl chlorideHCID 2774586—
SolventPyridineHCID 1049—
Product5-Fluoro-3-methyl-benzo[b]thiophene-2-sulfonic acid (4-bromo-2-trifluoromethoxy-phenyl)-amideHCID 2496631824.8%

Reaction Steps

This compound was prepared in analogy to Example 1, starting from 4-bromo-2-(trifluoromethoxy)aniline (CAS: 175278-09-8, 2.82 g) and 5-fluoro-3-methylbenzo[b]thiophene-2-sulphonyl chloride (0.265 g) in pyridine (2.0 ml) for 18 h to obtain the desired compound (0.12 g) as a colorless foam. MS (ISP): 501.0, 503.0 (M+NH4)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08158655B2
Source datasetuspto-grants-2012_04
ORD IDord-88085743a64d4b798af3b946a8a918b4
Source noteuspto-grants-2012_04