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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2269740Generated: October 29, 2026

Citric Acid → HCID 18333007, compound

https://huagongshe.com/reaction/2269740

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCitric AcidHCID 311—
ReactantDimethylamine, hydrochlorideHCID 10473—
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantHCID 18333062HCID 18333062—
SolventAcetonitrileHCID 6342—
SolventTriethylamineHCID 8471—
ProductHCID 18333007HCID 1833300738%

Reaction Steps

6-Chloro-2-oxo-1,2,3,4-tetrahydro-3-quinolinecarboxylic acid (3.00 g), dimethylamine hydrochloride (1.332 g), HOBt (2.042 g), WSC (3.093 g) and triethylamine (4.5 ml) were added to acetonitrile (150 ml). The reaction mixture was stirred at room temperature for 18 hours. 10% Aqueous citric acid solution was added to the reaction mixture. The precipitated pellets were collected by filtration and washed with water and IPE to obtain the entitled compound (1.276 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06329389B1
Source datasetuspto-grants-2001_12
ORD IDord-ca0e137bed6f4d13acd888bbb052cdc9
Source noteuspto-grants-2001_12