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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 524804Generated: October 30, 2026

Ethyl Acetoacetate → Ethyl 4-(2-bromo-4-fluorophenyl)-2-(5-methoxythiazol-2-yl)-6-methyl-1,4-dihydropyrimidine-5-carboxylate

https://huagongshe.com/reaction/524804

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetoacetateHCID 8868—
Reactant2-Bromo-4-fluorobenzaldehydeHCID 2773319—
Reactant5-Methoxythiazole-2-carboximidamide hydrochlorideHCID 90044391—
ProductEthyl 4-(2-bromo-4-fluorophenyl)-2-(5-methoxythiazol-2-yl)-6-methyl-1,4-dihydropyrimidine-5-carboxylateHCID 9004292159%

Reaction Steps

5-methoxythiazole-2-carboximidamide hydrochloride (3.3 g, 17 mmol) was reacted with 2-bromo-4-fluorobenzaldehyde (3.46 g, 17 mmol) and ethyl 3-oxobutanoate (2.2 g, 17 mmol) according to the procedure as described in Example 1, Step A to give the title compound as a yellow solid (4.56 g, 59%). The compound was characterized by the following spectroscopic data:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09340538B2
Source datasetuspto-grants-2016_05
ORD IDord-a2d81939c6d749d5b43453a6b057ad33
Source noteuspto-grants-2016_05