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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 417074Generated: October 26, 2026

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

https://huagongshe.com/reaction/417074

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDi-tert-butyl azodicarboxylateHCID 97268—
Reactant2-[2-(4-Chloro-phenyl)-5,6-difluoro-benzoimidazol-1-yl]-2-cyclohexyl-ethanolHCID 66619310—
ReactantHCID 178498848HCID 178498848—
Product6-{2-[2-(4-Chloro-phenyl)-5,6-difluoro-benzoimidazol-1-yl]-2-cyclohexyl-ethoxy}-nicotinic acid methyl esterHCID 66619308—

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 5-chloro-6-hydroxy-nicotinic acid methyl ester and replacing di-ethyl azodicarboxylate by di-tert-butyl azodicarboxylate. White solid (83%). MS (Turbo Spray): m/z=560.3 [M+H].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08088930B2
Source datasetuspto-grants-2012_01
ORD IDord-e5c8baa863e444c7a57a0a85a4ae4c0b
Source noteuspto-grants-2012_01