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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 524636Generated: October 30, 2026

Ethyl Acetoacetate → Ethyl 4-(5-fluoro-3',5'-bis(trifluoromethyl)-[1,1'-biphenyl]-2-yl)-6-methyl-2-(thiazol-2-yl)-1,4-dihydropyrimidine-5-carboxylate

https://huagongshe.com/reaction/524636

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetoacetateHCID 8868—
Reactant1,3-Thiazole-2-carboximidamide hydrochlorideHCID 18679584—
Reactant5-Fluoro-3',5'-bis(trifluoromethyl)-[1,1'-biphenyl]-2-carbaldehydeHCID 118107548—
ProductEthyl 4-(5-fluoro-3',5'-bis(trifluoromethyl)-[1,1'-biphenyl]-2-yl)-6-methyl-2-(thiazol-2-yl)-1,4-dihydropyrimidine-5-carboxylateHCID 11810759026%

Reaction Steps

5-fluoro-3′,5′-bis(trifluoromethyl)-[1,1′-biphenyl]-2-carbaldehyde (2.34 g, 6.96 mmol) was reacted with thiazole-2-carboximidamide hydrochloride (1.14 g, 6.96 mmol) and ethyl 3-oxobutanoate (1.1 g, 8.35 mmol) according to the procedure as described in Example 1, Step A to give the title compound as a yellow solid (1 g, 26%). 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-e1c714fa54394ee99195a31878898a02
Source noteuspto-grants-2016_05