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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1649043Generated: October 31, 2026

Diethyl (ethoxymethylene)malonate → HCID 86739115, compound

https://huagongshe.com/reaction/1649043

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl (ethoxymethylene)malonateHCID 6871—
Reactant4-(1-Methylpropyl)-2-thiazolamineHCID 13253356—
ProductHCID 86739115HCID 8673911599.9%

Reaction Steps

2-Amino-4-(2-butyl)thiazole (8.44 g., 54 mmoles) and diethyl ethoxymethylenemalonate (11.7 g., 54 mmoles) were combined and heated on a steam bath for 1 hour and cooled to yield 2-(2,2-dicarbethoxyethenylamino)-4-(2-butyl)thiazole (17.6 g., Rf 0.75 on silica gel thin layer chromatography with chloroform/1% ethanol as eluant).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04414388
Source datasetuspto-grants-1983_11
ORD IDord-e64f1ca01e9f411991865eb899d65422
Source noteuspto-grants-1983_11