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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 918520Generated: October 26, 2026

1,3-Cyclohexanedione → 2-Amino-4-(3-chlorophenyl)-1,4,5,6,7,8-hexahydro-5-oxoquinoline-3-carboxylic acid ethyl ester

https://huagongshe.com/reaction/918520

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,3-CyclohexanedioneHCID 10434—
Reactant3-ChlorobenzaldehydeHCID 11477—
ReactantCarbamimidoyl-acetic acid ethyl esterHCID 4599837—
ReactantN,N-dimethylformamide ethanolHCID 19794673—
SolventEthanolHCID 702—
Product2-Amino-4-(3-chlorophenyl)-1,4,5,6,7,8-hexahydro-5-oxoquinoline-3-carboxylic acid ethyl esterHCID 1239110866%

Reaction Steps

Upon boiling a solution of 7.1 g of 3-chlorobenzaldehyde, 5.6 g of cyclohexane-1,3-dione and 6.5 g of amidinoacetic acid ethyl ester in 150 ml of ethanol for 2 hours, 2-amino-4-(3-chlorophenyl)-1,4,5,6,7,8-hexahydro-5-oxoquinoline-3-carboxylic acid ethyl ester of melting point 266°C (ethanol/DMF) is obtained. Yield: 66% of theory.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03971790
Source datasetuspto-grants-1976_07
ORD IDord-eaad69d5a9904e1bac89fec3820a1fa4
Source noteuspto-grants-1976_07