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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 524720Generated: October 30, 2026

Ethyl Acetoacetate → Ethyl 4-(2,4-dichlorophenyl)-2-(3-fluoropyridin-2-yl)-6-methyl-1,4-dihydropyrimidine-5-carboxylate

https://huagongshe.com/reaction/524720

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetoacetateHCID 8868—
Reactant2,4-DichlorobenzaldehydeHCID 13404—
Reactant3-Fluoropicolinimidamide hydrochlorideHCID 22027837—
ProductEthyl 4-(2,4-dichlorophenyl)-2-(3-fluoropyridin-2-yl)-6-methyl-1,4-dihydropyrimidine-5-carboxylateHCID 9004301254%

Reaction Steps

3-fluoropicolinimidamide hydrochloride (5.53 g, 31.5 mmol) was reacted with 2,4-dichlorobenzaldehyde (5.51 g, 31.5 mmol) and ethyl 3-oxobutanoate (4.1 g, 31.5 mmol) according to the procedure as described in Example 1, Step A to give the title compound as a yellow solid (6.94 g, 54%). 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-5ae3965282b24f0096b1efdaebb57ad6
Source noteuspto-grants-2016_05