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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2071912Generated: October 26, 2026

Carbamimidoyl-acetic acid ethyl ester → 2,6-Diamino-4-(3-carbethoxyphenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid diethyl ester

https://huagongshe.com/reaction/2071912

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbamimidoyl-acetic acid ethyl esterHCID 4599837—
ReactantEthyl 3-formylbenzoateHCID 11084437—
SolventEthanolHCID 702—
Product2,6-Diamino-4-(3-carbethoxyphenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid diethyl esterHCID 7063168832%

Reaction Steps

Upon boiling a solution of 8.9 g 3-carbethoxybenzaldehyde and 13.0 g amidinoacetic acid ethyl ester in 100 ml ethanol for 2 hours, 2,6-diamino-4-(3-carbethoxyphenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid diethyl ester of m.p. 191° C. (ethanol) is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04049662
Source datasetuspto-grants-1977_09
ORD IDord-0b4d1b7cedc14074a35ae30059659c3f
Source noteuspto-grants-1977_09