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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 417069Generated: October 29, 2026

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

https://huagongshe.com/reaction/417069

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDi-tert-butyl azodicarboxylateHCID 97268—
Reactant3-HYDROXY-4-METHYLBENZOIC ACID ETHYL ESTERHCID 15745489—
Reactant2-[2-(4-Chloro-phenyl)-5,6-difluoro-benzoimidazol-1-yl]-2-cyclohexyl-ethanolHCID 66619310—
Product3-{2-[2-(4-Chloro-phenyl)-5,6-difluoro-benzoimidazol-1-yl]-2-cyclohexyl-ethoxy}-4-methyl-benzoic acid ethyl esterHCID 66619521—

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-hydroxy-4-methyl-benzoic acid ethyl ester and replacing di-ethyl azodicarboxylate by di-tert-butyl azodicarboxylate. White solid (16%). MS (Turbo Spray): m/z=539.2 [M+H].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08088930B2
Source datasetuspto-grants-2012_01
ORD IDord-6177c7a6155f4fb9af1a68cd5d7f7949
Source noteuspto-grants-2012_01