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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 57037Generated: October 30, 2026

Trifluoroacetic acid → 4-({2-[4-(5-Chloro-2-cyanophenyl)-5-(difluoromethoxy)-2-oxopyridin-1(2H)-yl]propanoyl}amino)benzoic acid

https://huagongshe.com/reaction/57037

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-Butyl 4-({2-[4-(5-chloro-2-cyanophenyl)-5-(difluoromethoxy)-2-oxopyridin-1(2H)-yl]propanoyl}amino)benzoateHCID 117622772—
Product4-({2-[4-(5-Chloro-2-cyanophenyl)-5-(difluoromethoxy)-2-oxopyridin-1(2H)-yl]propanoyl}amino)benzoic acidHCID 117622897—

Reaction Steps

99 mg (0.18 mmol) of tert-butyl 4-({2-[4-(5-chloro-2-cyanophenyl)-5-(difluoromethoxy)-2-oxopyridin-1(2H)-yl]propanoyl}amino)benzoate (racemate) were hydrolysed with TFA according to General Method 2. Yield: 75 mg (84% of theory)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09434690B2
Source datasetuspto-grants-2016_09
ORD IDord-0f038bdfed564f83a0a935836eb50951
Source noteuspto-grants-2016_09