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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 417100Generated: October 26, 2026

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

https://huagongshe.com/reaction/417100

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDi-tert-butyl azodicarboxylateHCID 97268—
ReactantMethyl 4-hydroxy-3,5-dimethylbenzoateHCID 12389264—
Reactant2-(4-Chloro-phenyl)-1-(1-cyclohexyl-2-cyclohexylmethoxy-ethyl)-5,6-difluoro-1H-benzoimidazoleHCID 66619202—
Product4-{2-[2-(4-Chloro-phenyl)-5,6-difluoro-benzoimidazol-1-yl]-2-cyclohexyl-ethoxy}-3,5-dimethyl-benzoic acid methyl esterHCID 66619610—

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 (Example 1, intermediate c), 4-hydroxy-3,5-dimethyl-benzoic acid methyl ester and replacing di-ethyl azodicarboxylate by di-tert-butyl azodicarboxylate and a reaction time of 18 h. Light yellow solid (12%). MS (Turbo Spray): m/z=553.3 [M+H].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08088930B2
Source datasetuspto-grants-2012_01
ORD IDord-50b5e4d72bcb4102af1996756c8ff860
Source noteuspto-grants-2012_01