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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 56848Generated: October 29, 2026

Lithium Hydroxide → 2-{4-[5-Chloro-2-(difluoromethoxy)phenyl]-5-methoxy-2-oxopyridine-1(2H)-yl}butanoic acid

https://huagongshe.com/reaction/56848

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium HydroxideHCID 3939—
ReactantEthyl 2-{4-[5-chloro-2-(difluoromethoxy)phenyl]-5-methoxy-2-oxopyridine-1(2H)-yl}butanoateHCID 117622858—
Product2-{4-[5-Chloro-2-(difluoromethoxy)phenyl]-5-methoxy-2-oxopyridine-1(2H)-yl}butanoic acidHCID 118054781—

Reaction Steps

415 mg (0.97 mmol) of ethyl 2-{4-[5-Chloro-2-(difluormethoxy)phenyl]-5-methoxy-2-oxopyridin-1(2H)-yl}butanoate (racemate) were hydrolysed with lithium hydroxide according to General Method 6B. Yield: 348 mg (93% of theory)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09434690B2
Source datasetuspto-grants-2016_09
ORD IDord-f0ddf4a94b634a8dbe946d3c35d46a77
Source noteuspto-grants-2016_09