Mono- and binuclear chloride complexes of bismuth(iii) with 2-aminopyrimidine cations depending on specific synthetic route

Complexes of Bi iii with 2-aminopyrimidine cations with metal-to-ligand ratios of 1:3 or 2:4 (depending on reaction conditions) were synthesized and characterized by elemental analysis, 1H NMR spectroscopy, and single crystal X-ray crystallography. The possibility of conversion of the latter complex into the former one was demonstrated. The determined cytotoxicity depended on the structure of these complexes.