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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 56977Generated: October 29, 2026

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

https://huagongshe.com/reaction/56977

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-Butyl 4-({2-[5-chloro-4-(5-chloro-2-cyanophenyl)-2-oxopyridin-1(2H)-yl]propanoyl}amino)benzoateHCID 117622701—
Product4-({2-[5-Chloro-4-(5-chloro-2-cyanophenyl)-2-oxopyridin-1(2H)-yl]propanoyl}amino)benzoic acidHCID 117622690—

Reaction Steps

281 mg (purity 58%, 0.32 mmol) of tert-butyl 4-({2-[5-chloro-4-(5-chloro-2-cyanophenyl)-2-oxopyridin-1(2H)-yl]propanoyl}amino)benzoate (racemate) (Example 12.1E) were hydrolysed with TFA according to General Method 2. Yield: 97 mg (67% of theory)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09434690B2
Source datasetuspto-grants-2016_09
ORD IDord-9413f70ca3b5442d83338ce432f44264
Source noteuspto-grants-2016_09