This is documented by the presence of pyridine as a final product of the reaction and complete oxidation of the nitroso group in the case of the nitrosoaryl 1,4-dihydropyridine derivatives (Valenzuela et al.
The AO properties of Hantzsch 1,4-dihydropyridine esters and two dibenzo-1,4-dihydropyridines, 9,10-dihydroacridine (DHAC) and N-methyl-9,10-dihydroacridine (N-Me-DHAC), have been explored by determining the autoxidation of styrene or cumene at 30[degrees]C.
Possible reaction pathways for radicals derived from 1,4-dihydropyridine and the resonance modes for radical species were given .
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