Rs. Dongre et al., Oxidation of tertiary nitrogen compounds to N-oxides by molecular oxygen-aldehyde system in the absence of metal catalyst, SYN COMMUN, 31(2), 2001, pp. 167-172
A variety of tertiary nitrogen compounds have been oxidized to correspondin
g N-oxides in near quantitative yields by molecular oxygen/2-methylpropanal
system in the absence of metal catalyst.