R. Paredes et al., EVIDENCE IN FAVOR OF BIPOLAR IONS AS 1ST INTERMEDIATES FORMED IN THE OXIDATION OF AZINES AND HYDRAZONES WITH OXYGEN-TRANSFER AGENTS, Anales de quimica, 90(2), 1994, pp. 217-219
Experimental evidence is presente in favor of dipolar ions [GRAPHICS]
and [GRAPHICS] as the first intermediates formed in the oxidation of a
zines R2C=N-N=CR2 and hydrazones R2C=N-NR2 with oxygen transfer agents
.