4-Aryl-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylates, Hantzsch-type 1,4-dihydropyridines, are rapidly oxidized to the corresponding pyridine derivatives in excellent yields using two equivalents of ceric ammonium nitrate.
使用两个当量的
硝酸铈铵,4-芳基-2,6-二甲基-1,4-二氢-3,5-
吡啶二
羧酸盐(汉茨奇型 1,4-
二氢吡啶)可被快速氧化成相应的
吡啶衍生物,产量极佳。