Tetrahydro-2,5-dimethoxyfuran-3-carbaldehyde → HCID 18008908, compound

Participants

Reaction Steps

To a solution of ethyl 7-amino-6-fluoro-3-oxo-1,2,3,4-tetrahydroquinoxaline-2-carboxylate (2.03 g, 8.02 mmol) in ethanol (80 ml) was added dropwise 2,5-dimethoxytetrahydrofuran-3-aldehyde (1.36 ml, 9.62 mmol), and the mixture was refluxed for 3 hours. After cooling, the residue obtained by distilling off solvent was submitted to silica gel column chromatography [ethyl acetate-hexane=2:1] to obtain 333 mg of title compound as yellow powder. Yield 13%.

Provenance & Evidence