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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 338901Generated: October 26, 2026

Diethyl Malonate → HCID 70983315, compound

https://huagongshe.com/reaction/338901

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl MalonateHCID 7761—
ReactantEthyl AcetateHCID 8857—
ReactantCesium carbonateHCID 10796—
Reactant8-Bromo-2-methylquinolineHCID 4715030—
CatalystHCID 178418851HCID 178418851—
SolventWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 70983315HCID 7098331582.54%

Reaction Steps

A solution of 8-bromo-2-methylquinoline (2.00 g, 9.01 mmol), Pd(PtBu3)2 (0.23 g, 0.45 mmol), Cs2CO3 (11.74 g, 36.02 mmol) and diethyl malonate (2.73 mL, 18.01 mmol) in dioxane (25 mL) was heated at 118° C. in a sealed tube for 1 hour. After cooling to ambient temperature, ethyl acetate (30 mL) and water (15 mL) were added. The organic layer was separated, washed with brine, dried (sodium sulfate), filtered and concentrated under reduced pressure. The residue was purified by flash chromatography on silica gel (7:1 hexane/ethyl acetate) to give diethyl 2-(2-methylquinolin-8-yl)malonate (2.24 g, 82.54%) as an oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08889704B2
Source datasetuspto-grants-2014_11
ORD IDord-860037163f144b3dbd39da5485ccfc21
Source noteuspto-grants-2014_11