Key points are not available for this paper at this time.
The palladium(II)-catalysed oxidative cyclization of the adducts of N-Boc-protected allylic amines with methyl glyoxylate proceeds well in the presence of molecular oxygen as the stoichiometric oxidant without the need of a co-oxidant, if Me2SO is used as the solvent.
Benthem et al. (1994) studied this question.