Sp. Chavan et al., AN EFFICIENT OXIDATION OF 1,4-DIHYDROPYRIDINES USING AQUEOUS TERT.-BUTYLHYDROPEROXIDE, Synthetic communications, 28(15), 1998, pp. 2789-2792
Aromatization of 4-substituted 1,4-dihydro-2,6-dimethyl-3,5-pyridine d
icarboxylate using aqueous tert.-butylhydroperoxide in 74-87% yield ha
s beer, achieved.