Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 56853Generated: October 30, 2026

2-Bromopropionic acid → 2-[4-(5-Chloro-2-cyanophenyl)-5-ethoxy-2-oxopyridin-1(2H)-yl]propanoic acid

https://huagongshe.com/reaction/56853

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Bromopropionic acidHCID 11729—
Reactant4-Chloro-2-(5-ethoxy-2-oxo-1,2-dihydropyridin-4-yl)benzonitrileHCID 117605464—
Product2-[4-(5-Chloro-2-cyanophenyl)-5-ethoxy-2-oxopyridin-1(2H)-yl]propanoic acidHCID 117622710—

Reaction Steps

134 mg (0.37 mmol) of 4-chloro-2-(5-ethoxy-2-oxo-1,2-dihydropyridin-4-yl)benzonitrile and 1.5 eq. of 2-bromopropanoic acid (racemate) were reacted according to General Method 4A at 50° C. The crude product was purified by preparative HPLC (Reprosil C18, water/acetonitrile gradient). Yield: 89 mg (purity 86%, 60% of theory)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09434690B2
Source datasetuspto-grants-2016_09
ORD IDord-420733b409d34eadada938daae507e3e
Source noteuspto-grants-2016_09