Аннотация:Treating 2-methyl-3- and -5-nitropyridine methiodides and ethiodides with aq.-alc. alkali afforded 2- and 4-O2NC6H4NHR (R = Me, Et), resp., in 25-50% yield. Analogous treatment of 2,6-dimethyl- and 2,4,6-trimethyl-3-nitropyridine methiodides gave 33-42% 2,4,6- and 9% 2,6,4-RMe(MeNH)C6H2NO2 (R = H, Me). A deprotonation-ring cleavage-recyclization mechanism is proposed.