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Synthesis and structures of (SP-4-2)-diiodobis(2-hydroxyethylamine)platinum(II), (SP-4-2)-dichlorobis(2-hydroxyethylamine)platinum(II) and (OC-6-22)-bis(2-hydroxyethylamine)tetrachloroplatinum(IV) in the crystal
(SP-4-2)-Diiodobis(2-hydroxyethylamine)platinum(II) was synthesized by reacting K 2 PtCl 4 with KI in a first step and with ethanolamine in a second step. (SP-4-2)-dichlorobis(2-hydroxyethylamine)platinum(II) was prepared by removing the I - ligands with AgNO 3 and by reaction of the activated complex (SP-4-2)-diaquabis(2-hydroxyethylamine)platinum(II) with an excess of KCl. (SP-4-2)-Dichlorobis(2-hydroxyethylamine)platinum(II) was oxidized with Cl 2 gas to obtain (OC-6-22)-bis(2-hydroxyethylamine)tetrachloroplatinum(IV). All compounds were characterized by elemental analysis and IR spectroscopy. The solubility in water at room temperature was measured with AAS. (SP-4-2)-Dichlorobis(2-hydroxyethylamine)platinum(II) was characterized by NMR spectroscopy. Crystal structures of all three complexes were determined.