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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 268075Generated: October 31, 2026

Carbamimidoyl-acetic acid ethyl ester → HCID 70634641, compound

https://huagongshe.com/reaction/268075

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbamimidoyl-acetic acid ethyl esterHCID 4599837—
ReactantHCID 53707123HCID 53707123—
SolventEthanolHCID 702—
ProductHCID 70634641HCID 7063464173%

Reaction Steps

Upon heating a solution of 12.2 g of (2-thenylidene) acetoacetic acid ethyl ester and 6.5 g of amidinoacetic acid ethyl ester in 100 ml of ethanol for 4 hours, 2-amino-6-methyl-4-(2-thenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid diethyl ester of melting point 170°C (ethanol) is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03946026
Source datasetuspto-grants-1976_03
ORD IDord-dc85b588e5404dc1ad78b2ebcb4b99ec
Source noteuspto-grants-1976_03