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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 79899Generated: October 26, 2026

2-[5-(4-Bromo-phenyl)-1H-imidazol-2-yl]-4-hydroxy-pyrrolidine-1-carboxylic acid tert-butyl ester → 4-Difluoromethoxy-pyrrolidine-1,2-dicarboxylic acid 2-[2-(4-bromo-phenyl)-2-oxo-ethyl]ester 1-tert-butyl ester

https://huagongshe.com/reaction/79899

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-[5-(4-Bromo-phenyl)-1H-imidazol-2-yl]-4-hydroxy-pyrrolidine-1-carboxylic acid tert-butyl esterHCID 66620388—
Reactant4-Hydroxy-pyrrolidine-1,2-dicarboxylic acid 2-[2-(4-bromo-phenyl)-2-oxo-ethyl]ester 1-tert-butyl esterHCID 66620900—
Reactant5-(4-Bromo-phenyl)-1H-imidazol-2-yl-4-difluoromethoxy-pyrrolidine-1-carboxylic acid tert-butyl esterHCID 72338136—
Product4-Difluoromethoxy-pyrrolidine-1,2-dicarboxylic acid 2-[2-(4-bromo-phenyl)-2-oxo-ethyl]ester 1-tert-butyl esterHCID 66621203—

Reaction Steps

2-[5-(4-Bromo-phenyl)-1H-imidazol-2-yl-4-difluoromethoxy-pyrrolidine-1-carboxylic acid tert-butyl ester: Title compound was prepared according to the method employed to prepare 2-[5-(4-Bromo-phenyl)-1H-imidazol-2-yl]-4-hydroxy-pyrrolidine-1-carboxylic acid tert-butyl ester (Example 1), substituting 4-Difluoromethoxy-pyrrolidine-1,2-dicarboxylic acid 2-[2-(4-bromo-phenyl)-2-oxo-ethyl]ester 1-tert-butyl ester (305 mg) for 4-Hydroxy-pyrrolidine-1,2-dicarboxylic acid 2-[2-(4-bromo-phenyl)-2-oxo-ethyl]ester 1-tert-butyl ester (244 mg, 83%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841278B2
Source datasetuspto-grants-2014_09
ORD IDord-1789618bb94b47d28ca12c8181e881b6
Source noteuspto-grants-2014_09