N'ihi mbelata nke electron density na aromatic usoro, electrophilic substitutions na-ebelata na pyridine na ya derivatives. Friedel<unk>Crafts alkylation ma ọ bụ acylation, na-emekarị ada ada maka pyridine n'ihi na ha na-eduga naanị na mgbakwunye na nitrogen atom. Substitutions na-emekarị na 3-ọnọdụ, nke bụ ihe kasị electron-ọgaranya carbon atom na mgbanaka na bụ, ya mere, ihe susceptible ka electrophilic mgbakwunye. Ajụjụ: Olee ọnọdụ nke atọm e kasị carbon ọgaranya ngalaba?
Ọnọdụ 3