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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1409731Generated: October 26, 2026

Diisopropylethylamine → 1-(2-Fluoro-4-methanesulfonylphenyl)-1H-imidazole-4-carboxylic acid

https://huagongshe.com/reaction/1409731

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
Reactant1,2-Difluoro-4-(methylsulfonyl)benzeneHCID 2782743—
ReactantHCID 178524800HCID 178524800—
SolventDimethylformamideHCID 6228—
Product1-(2-Fluoro-4-methanesulfonylphenyl)-1H-imidazole-4-carboxylic acidHCID 71093750—

Reaction Conditions

Temperature120 °C

Reaction Steps

A mixture of 1H-imidazole-4-carboxylic acid (500 mg), 1,2-difluoro-4-methanesulfonylbenzene (1.2 g), and N,N-diisopropyl-ethyl-amine (4 mL) in N,N-dimethylformamide (6 mL) is heated to 120° C. overnight. The crude product is purified by HPLC. LC (method 20): tR=1.69 min; Mass spectrum (APCI): m/z=285 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08921398B2
Source datasetuspto-grants-2014_12
ORD IDord-3ed85d0efecc41b0a3b6ab6f27e9acf9
Source noteuspto-grants-2014_12