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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 417064Generated: October 25, 2026

Di-tert-butyl azodicarboxylate → 4-{2-[2-(4-Chloro-phenyl)-5,6-difluoro-benzoimidazol-1-yl]-2-cyclohexyl-ethoxy}-3-fluoro-benzoic acid methyl ester

https://huagongshe.com/reaction/417064

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDi-tert-butyl azodicarboxylateHCID 97268—
ReactantMethyl 3-fluoro-4-hydroxybenzoateHCID 7019368—
Reactant2-[2-(4-Chloro-phenyl)-5,6-difluoro-benzoimidazol-1-yl]-2-cyclohexyl-ethanolHCID 66619310—
Product4-{2-[2-(4-Chloro-phenyl)-5,6-difluoro-benzoimidazol-1-yl]-2-cyclohexyl-ethoxy}-3-fluoro-benzoic acid methyl esterHCID 66619504—

Reaction Steps

The title compound was prepared in analogy to Example 4, intermediate, from 2-[2-(4-chloro-phenyl)-5,6-difluoro-benzoimidazol-1-yl]-2-cyclohexyl-ethanol (Ex. 1, int. c) and 3-fluoro-4-hydroxy benzoic acid methyl ester (commercially available) and replacing di-ethyl azodicarboxylate by di-tert-butyl azodicarboxylate. White foam (81%). MS (Turbo Spray): m/z=543.0 [M+H].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08088930B2
Source datasetuspto-grants-2012_01
ORD IDord-d0e6038c36124258a4e86f5f2b32b19a
Source noteuspto-grants-2012_01