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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 56859Generated: October 30, 2026

Benzoic acid, 4-amino-, 1,1-dimethylethyl ester → tert-Butyl 4-({2-[4-(5-chloro-2-cyanophenyl)-5-(difluoromethoxy)-2-oxopyridin-1(2H)-yl]propanoyl}amino)benzoate

https://huagongshe.com/reaction/56859

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzoic acid, 4-amino-, 1,1-dimethylethyl esterHCID 233272—
Reactant2-[4-(5-Chloro-2-cyanophenyl)-5-(difluoromethoxy)-2-oxopyridin-1(2H)-yl]propanoic acidHCID 117622862—
Producttert-Butyl 4-({2-[4-(5-chloro-2-cyanophenyl)-5-(difluoromethoxy)-2-oxopyridin-1(2H)-yl]propanoyl}amino)benzoateHCID 117622772—

Reaction Steps

270 mg (purity 63%, 0.46 mmol) of 2-[4-(5-chloro-2-cyanophenyl)-5-(difluoromethoxy)-2-oxopyridin-1(2H)-yl]propanoic acid (racemate) and 98 mg (0.51 mmol, 1.1 eq.) of tert-butyl 4-aminobenzoate were reacted according to General Method 5A. Yield: 100 mg (40% of theory)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09434690B2
Source datasetuspto-grants-2016_09
ORD IDord-af3099bba0f84a5f922c0bcc5b6a84df
Source noteuspto-grants-2016_09