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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 639327Generated: October 25, 2026

(+)-L-Leucine methyl ester → (S)-2-{[6-(2-Methoxy-ethoxy)-5-piperidin-1-yl-pyrazine-2-carbonyl]-amino}-4-methyl-pentanoic acid methyl ester

https://huagongshe.com/reaction/639327

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(+)-L-Leucine methyl esterHCID 65105—
Reactant6-Propoxy-5-pyrrolidin-1-yl-pyrazine-2-carboxylic acid ((S)-1-hydroxymethyl-3-methyl-butyl)-amideHCID 24831258—
Reactant6-(2-Methoxy-ethoxy)-5-piperidin-1-yl-pyrazine-2-carboxylic acidHCID 68569013—
Product(S)-2-{[6-(2-Methoxy-ethoxy)-5-piperidin-1-yl-pyrazine-2-carbonyl]-amino}-4-methyl-pentanoic acid methyl esterHCID 24831736—

Reaction Steps

In analogy to the procedure described for the synthesis of 6-propoxy-5-pyrrolidin-1-yl-pyrazine-2-carboxylic acid ((S)-1-hydroxymethyl-3-methyl-butyl)-amide (example 10, step d) the title compounds was prepared from 6-(2-methoxy-ethoxy)-5-piperidin-1-yl-pyrazine-2-carboxylic acid and (S)-leucine methyl ester (commercially available). m/z (ES+): 409.3 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07691863B2
Source datasetuspto-grants-2010_04
ORD IDord-eded60bcc6d944c086454b9fc90e59ab
Source noteuspto-grants-2010_04