Several azinium-N-(2'-azinyl)aminides are reported. The structure of p
yridinium-N-(2'-pyridyl)aminide has been studied, both in solution and
in crystalline state, and results have been compared. In non-polar so
lvents, the aminides present a planar conformation stabilized by an in
tramolecular hydrogen bond. The reactivity toward electrophiles confir
ms the structural data, producing either N- or C- substitutions under
mild conditions.