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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 415429Generated: October 29, 2026

Pyrimidine, 2,4-dichloro-5-methyl- → 2-chloro-5-methyl-N-(5-methyl-1H-pyrazol-3-yl)pyrimidin-4-amine

https://huagongshe.com/reaction/415429

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyrimidine, 2,4-dichloro-5-methyl-HCID 74508—
ReactantDiisopropylethylamineHCID 81531—
Reactant1H-Pyrazol-3-amine, 5-methyl-HCID 93146—
SolventEthanolHCID 702—
Product2-chloro-5-methyl-N-(5-methyl-1H-pyrazol-3-yl)pyrimidin-4-amineHCID 50993643—

Reaction Conditions

Temperature70 °C

Reaction Steps

To a solution of 2,4-dichloro-5-methylpyrimidine (1.25 g, 7.8 mmol) in EtOH (30 ml) was added 5-methyl-1H-pyrazol-3-ylamine (756 mg, 7.8 mmol) and DIPEA (2.8 mL). The mixture was heated at 70° C. overnight. LC/MS showed the completion of the reaction. The title compound was obtained by filtration under vacuum as a white solid (700 mg). m/z 224.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08088784B2
Source datasetuspto-grants-2012_01
ORD IDord-9a3a65070e894422a8fe9441f8082c36
Source noteuspto-grants-2012_01