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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2187939Generated: October 29, 2026

Ethanol → Ethyl 4-methyl-2-(pyridin-4-yl)-1,3-thiazole-5-carboxylate

https://huagongshe.com/reaction/2187939

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantEthyl AcetateHCID 8857—
Reactant4-PyridinecarbothioamideHCID 2723788—
ProductEthyl 4-methyl-2-(pyridin-4-yl)-1,3-thiazole-5-carboxylateHCID 619089—

Reaction Steps

2.76 g (20 mmol) of thioisonicotinamide and 3.6 g (22 mmol) of ethyl 2-chloroacetacetate were heated under reflux in 30 ml of ethanol for 20 hours. After the treatment with ethyl acetate as the extraction solvent in an ordinary manner, the obtained crude product was purified by the silica gel column chromatography to obtain the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06410538B2
Source datasetuspto-grants-2002_06
ORD IDord-5341ca442b0a48498b586341c0e7a6e0
Source noteuspto-grants-2002_06