© 2018, Pleiades Publishing, Ltd. The Krafft temperature (ТKr) of 1-alkyl-4-aza-1-azoniabicyclo[2.2.2]octane bromides (Alk = n-CnH2n + 1, n = 14, 16, 18) (D-n) and complexes of them with transition metals [Cu(II), Ni(II), ...