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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 47364Generated: October 25, 2026

Trifluoroacetic acid → 6-Chloro-4-phenyl-1,2,3,4-tetrahydroquinoline-2-carboxylic acid ethyl ester

https://huagongshe.com/reaction/47364

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantStyreneHCID 7501—
Reactant4-ChloroanilineHCID 7812—
Reactant2-KetobutyrateHCID 3593277—
SolventAcetonitrileHCID 6342—
Product6-Chloro-4-phenyl-1,2,3,4-tetrahydroquinoline-2-carboxylic acid ethyl esterHCID 987993594%

Reaction Steps

Compound 5 was prepared in a yield of 94% by the basic process from 5.0 mmol 4-chloroaniline, 5.5 mmol ethylglyoxalate solution (50% toluene), 15.0 mmol styrene and 5.0 mmol trifluoroacetic acid in 30.0 ml acetonitrile.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06699877B2
Source datasetuspto-grants-2004_03
ORD IDord-9ab254a939cb46978cab6a0f9cf959d6
Source noteuspto-grants-2004_03