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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 56988Generated: October 30, 2026

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

https://huagongshe.com/reaction/56988

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-Butyl 4-[(2-{4-[5-chloro-2-(trifluoromethoxy)phenyl]-5-cyano-2-oxopyridin-1(2H)-yl}propanoyl)amino]benzoateHCID 117622836—
Product4-[(2-{4-[5-Chloro-2-(trifluoromethoxy)phenyl]-5-cyano-2-oxopyridin-1(2H)-yl}propanoyl)amino]benzoic acidHCID 117622912—

Reaction Steps

107 mg (purity 94%, 0.18 mmol) of tert-butyl 4-[(2-{4-[5-chloro-2-(trifluoromethoxy)phenyl]-5-cyano-2-oxopyridin-1(2H)-yl}propanoyl)amino]benzoate (racemate) (Example 18.2A) were hydrolysed with TFA according to General Method 2. Yield: 59 mg (65% of theory)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09434690B2
Source datasetuspto-grants-2016_09
ORD IDord-4314f6013b714bfe8238e8f0865b7682
Source noteuspto-grants-2016_09