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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1875828Generated: October 31, 2026

2-Bromobenzoic acid → 2-(2-bromo-phenyl)-5,6-difluoro-1H-benzoimidazole

https://huagongshe.com/reaction/1875828

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Bromobenzoic acidHCID 6940—
Reactant1,2-Diamino-4,5-difluorobenzeneHCID 2736755—
Reactant3-{4-[2-(4-Chloro-2-cyclopentylmethoxy-phenyl)-5,6-difluoro-benzoimidazol-1-ylmethyl]-phenyl}-propionic acidHCID 58209258—
Product2-(2-bromo-phenyl)-5,6-difluoro-1H-benzoimidazoleHCID 60981492—

Reaction Steps

The title compound was prepared in analogy to Example 19, intermediate b, from 4,5-difluoro-benzene-1,2-diamine (CAS Reg. No. 76179-40-3) and 2-bromo-benzoic acid (CAS Reg. No. 88-65-3). Colorless powder (75%). MS (Turbo Spray): m/z=309.2 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08309581B2
Source datasetuspto-grants-2012_11
ORD IDord-ea3a0aee2fb4418ca670b80c3ed81b61
Source noteuspto-grants-2012_11