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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 417091Generated: October 27, 2026

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

https://huagongshe.com/reaction/417091

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDi-tert-butyl azodicarboxylateHCID 97268—
ReactantMethyl 2,6-difluoro-4-hydroxybenzoateHCID 22087431—
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}-2,6-difluoro-benzoic acid methyl esterHCID 66619492—

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 2,6-difluoro-4-hydroxy-benzoic acid methyl ester and replacing di-ethyl azodicarboxylate by di-tert-butyl azodicarboxylate. Light yellow oil (85%). MS (Turbo Spray): m/z=561.2 [M+H].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08088930B2
Source datasetuspto-grants-2012_01
ORD IDord-c0d5bc95af5d462cb0b173e845d17417
Source noteuspto-grants-2012_01