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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1929937Generated: October 27, 2026

Pyrrolidine → (R)-2-{[6-(4-Fluoro-phenyl)-5-pyrrolidin-1-yl-pyrazine-2-carbonyl]-amino}-3-methyl-butyric acid methyl ester

https://huagongshe.com/reaction/1929937

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyrrolidineHCID 31268—
Reactant(R)-methyl 2-amino-3-methylbutanoateHCID 2305648—
Reactant5-Bromo-6-(4-fluoro-phenyl)-pyrazine-2-carboxylic acid methyl esterHCID 86616957—
Product(R)-2-{[6-(4-Fluoro-phenyl)-5-pyrrolidin-1-yl-pyrazine-2-carbonyl]-amino}-3-methyl-butyric acid methyl esterHCID 24857430—

Reaction Steps

The title compound was synthesized in analogy to the procedure described for the preparation of Example 146, using 5-bromo-6-(4-fluoro-phenyl)-pyrazine-2-carboxylic acid methyl ester, pyrrolidine and (R)-valine methyl ester as starting materials, LC at 215 nm; Rt 2.43: 100%, m/z (ES+): 401.2 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08188093B2
Source datasetuspto-grants-2012_05
ORD IDord-8d8de2cfb49e4326b2a03121c0f0134b
Source noteuspto-grants-2012_05