Galina V. Nizova, Georg Süss-Fink and Georgiy B. Shul’pin
Methane is oxidized by air in acetonitrile solution to give methyl hydroperoxide (easily reduced to methanol), formaldehyde and formic acid in the presence of [NBu4]VO3–pyrazine-2-carboxylic acid as the catalyst and H2O2 as a promoter.