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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1581027Generated: October 25, 2026

Benzylidene-benzoylacetic acid ethyl ester → 2-Amino-4,6-diphenyl-1,4-dihydropyridine-3,5-dicarboxylic acid ethyl ester

https://huagongshe.com/reaction/1581027

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzylidene-benzoylacetic acid ethyl esterHCID 140230—
ReactantCarbamimidoyl-acetic acid ethyl esterHCID 4599837—
SolventEthanolHCID 702—
Product2-Amino-4,6-diphenyl-1,4-dihydropyridine-3,5-dicarboxylic acid ethyl esterHCID 7063552748%

Reaction Steps

Upon boiling a solution of 14.0 g of benzylidenebenzoylacetic acid ethyl ester and 6.5 g of amidinoacetic acid ethyl ester in 150 ml of ethanol for 2 hours, 2-amino-4,6-diphenyl-1,4-dihydropyridine-3,5-dicarboxylic acid ethyl ester of melting point 183°C (ethanol) is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03935223
Source datasetuspto-grants-1976_01
ORD IDord-3f9b33dafc21492395c7408a5865e102
Source noteuspto-grants-1976_01