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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1098119Generated: November 1, 2026

Potassium Carbonate → (S)-2-Hydroxy-4-methoxy-N-(5-methylpyridin-2-yl)butanamide

https://huagongshe.com/reaction/1098119

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantPotassium bisulfateHCID 516920—
Reactant(S)-4-methoxy-1-(5-methylpyridin-2-ylamino)-1-oxobutan-2-yl acetateHCID 57504605—
SolventMethanolHCID 887—
Product(S)-2-Hydroxy-4-methoxy-N-(5-methylpyridin-2-yl)butanamideHCID 5750448399%

Reaction Steps

Aqueous potassium carbonate 1M (5.257 mL, 5.26 mmol) was added to a solution of (S)-4-methoxy-1-(5-methylpyridin-2-ylamino)-1-oxobutan-2-yl acetate (Intermediate F2) (170 mg, 0.64 mmol) in MeOH (0.3 mL) at 0° C. and the mixture was stirred at room temperature for 2 h. The reaction mixture was neutralized with aqueous KHSO4 (1.0 M, 0.29 mL). The reaction mixture was concentrated and the residue was purified by flash silica chromatography, elution gradient 0 to 100% EtOAc in isohexane to afford (S)-2-hydroxy-4-methoxy-N-(5-methylpyridin-2-yl)butanamide (142 mg, 99%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08143263B2
Source datasetuspto-grants-2012_03
ORD IDord-18f7ec8c3c46402aa3ec7e0ae9f2a0fa
Source noteuspto-grants-2012_03