The triorganotin compounds R-2(NCN)SnX (NCN = C6H3(Me2NCH2)(2-)2,6(-)) containing different polar groups X or substituents R were prepared. The set of organotin compounds Ph-2(NCN)SnX (X = 1 (2), CF3CO2 (3), CH3CO2 (4), Et2NCS2 (5)) was prepared to study