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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 524645Generated: October 30, 2026

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

https://huagongshe.com/reaction/524645

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetoacetateHCID 8868—
Reactant2-Bromo-4-fluorobenzaldehydeHCID 2773319—
ReactantMethyl 2-(2-carbamimidoylthiazol-4-yl)acetate hydrochlorideHCID 90043737—
ProductEthyl 4-(2-bromo-4-fluorophenyl)-2-(4-(2-methoxy-2-oxoethyl)thiazol-2-yl)-6-methyl-1,4-dihydropyrimidine-5-carboxylateHCID 9004396250%

Reaction Steps

Methyl 2-(2-carbamimidoylthiazol-4-yl)acetate hydrochloride (2.35 g, 10 mmol) was reacted with 2-bromo-4-fluorobenzaldehyde (2.03 g, 10 mmol) and ethyl 3-oxobutanoate (1.56 g, 12 mmol) according to the procedure as described in Example 1, Step A to give the title compound as a yellow solid (2.48 g, 50%). 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-7cfe3fa2a8e44e0887e61b52eb781c08
Source noteuspto-grants-2016_05