Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 56884Generated: October 29, 2026

Trifluoroacetic acid → 2-[4-(5-Chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-3-(3,3-difluorocyclobutyl)propanoic acid

https://huagongshe.com/reaction/56884

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-Butyl 2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-3-(3,3-difluorocyclobutyl)propanoateHCID 117622712—
Product2-[4-(5-Chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-3-(3,3-difluorocyclobutyl)propanoic acidHCID 117622597—

Reaction Steps

184 mg (0.37 mmol) of tert-butyl 2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-3-(3,3-difluorocyclobutyl)propanoate (racemate) were hydrolysed with TFA according to General Method 6A. Yield: 200 mg (purity 88%, quant.)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09434690B2
Source datasetuspto-grants-2016_09
ORD IDord-1600ac867977473e834fe929bbcab35c
Source noteuspto-grants-2016_09