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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1796292Generated: November 3, 2026

(2R,4R)-2-[2-Fluoro-4-(3-methyl-pyrazol-1-yl)-phenylcarbamoyl]-4-methoxy-pyrrolidine-1-carboxylic acid tert-butyl ester → (2R,4R)-4-Methoxy-pyrrolidine-2-carboxylic acid [2-fluoro-4-(3-methyl-pyrazol-1-yl)-phenyl]-amide

https://huagongshe.com/reaction/1796292

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(2R,4R)-2-[2-Fluoro-4-(3-methyl-pyrazol-1-yl)-phenylcarbamoyl]-4-methoxy-pyrrolidine-1-carboxylic acid tert-butyl esterHCID 68805326—
SolventDichloromethaneHCID 6344—
SolventTrifluoroacetic acidHCID 6422—
Product(2R,4R)-4-Methoxy-pyrrolidine-2-carboxylic acid [2-fluoro-4-(3-methyl-pyrazol-1-yl)-phenyl]-amideHCID 6973739299.1%

Reaction Steps

Boc-amine 3 (˜0.6 g, 1.427 mmol) was dissolved in 25% TFA in dichloromethane. The mixture was stirred at ambient temperature for 2 h. The solvents were removed and the residue dried under vacuum to give 4 as a tan oil (˜0.450 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07030141B2
Source datasetuspto-grants-2006_04
ORD IDord-6cfb1c7b8e764430902b85118801a31c
Source noteuspto-grants-2006_04