113057-16-2Relevant articles and documents
Oxidation of 2,3-Dimethyl-quinoxaline and 2,4-Dimethyl-quinazoline with Selenium Dioxide
Kepez, Mustafa
, p. 127 - 130 (1989)
The primary oxidation products of 2,3-dimethylquinoxaline with selenium dioxide are 3-methylquinoxaline-2-carbaldehyde, 1,3-dihydro-1,3-dihydroxyfuroquinoxaline and quinoxaline-2-carboxylic acid. 3-Methylquinoxaline-2-carboxylic acid can be obtained in a second oxidation step only. 2,4-Dimethylquinazoline is dehydrogenated by selenium dioxide to the heterocyclic stilbene derivative 8.Confirmation of structure of 8 is given by NMR spectroscopy. - Keywords: Oxidation of methyl groups; SeO2; Quinoxaline; Quinazoline