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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 8248Generated: October 26, 2026

Ethyl Acetate → 2-Pyridin-2-yl-3-quinolin-4-yl-pyrazolo[5,1-c]morpholin-4-one

https://huagongshe.com/reaction/8248

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
ReactantCesium carbonateHCID 10796—
Reactant2-BromoethanolHCID 10898—
ReactantHCID 178418693HCID 178418693—
SolventDimethylformamideHCID 6228—
Product2-Pyridin-2-yl-3-quinolin-4-yl-pyrazolo[5,1-c]morpholin-4-oneHCID 9924129—

Reaction Conditions

Temperature60 °C

Reaction Steps

A mixture of 3-ethoxycarbonyl-5-pyridin-2-yl-4-quinolin-4-yl-pyrazole (0.35 g, 1.00 mmol), 2-bromoethanol (0.15 g, 1.12 mmol), and cesium carbonate (0.50 g, 1.5 mmol) in N,N-dimethylformamide (20 mL) is heated at 60° C. for 2 h. The mixture is cooled to room temperature and poured into ethyl acetate (60 mL). The organic portion is washed with water, dried (sodium sulfate), filtered, and concentrated in vacuo. The residue is chromatographed on SiO2 (ethyl acetate/hexane) to yield the title compound, 110 mg (32%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07087626B2
Source datasetuspto-grants-2006_08
ORD IDord-c379553fdac94f1c90f2ccafb8db9214
Source noteuspto-grants-2006_08