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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 524632Generated: October 30, 2026

Ethyl Acetoacetate → Ethyl 4-(5-fluoro-4'-(trifluoromethyl)-[1,1'-biphenyl]-2-yl)-6-methyl-2-(thiazol-2-yl)-1,4-dihydropyrimidine-5-carboxylate

https://huagongshe.com/reaction/524632

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetoacetateHCID 8868—
Reactant1,3-Thiazole-2-carboximidamide hydrochlorideHCID 18679584—
Reactant5-Fluoro-4'-(trifluoromethyl)biphenyl-2-carbaldehydeHCID 113242019—
ProductEthyl 4-(5-fluoro-4'-(trifluoromethyl)-[1,1'-biphenyl]-2-yl)-6-methyl-2-(thiazol-2-yl)-1,4-dihydropyrimidine-5-carboxylateHCID 11810751432%

Reaction Steps

5-fluoro-4′-(trifluoromethyl)-[1,1′-biphenyl]-2-carbaldehyde (2.11 g, 7.87 mmol) was reacted with thiazole-2-carboximidamide hydrochloride (1.29 g, 7.87 mmol) and ethyl 3-oxobutanoate (1.23 g, 9.44 mmol) according to the procedure as described in Example 1, Step A to give the title compound as a yellow solid (1.22 g, 32%). 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-46f1e9c36c164a8a82173a5677af35b4
Source noteuspto-grants-2016_05