Mild template synthesis of (2,7-dithio-3,6-diazaoctadien-3,5-dithioamide-1,8)nickel(II) and (2,7-dithio-3,6-diazaoctadien-3,5-dithioamide-1,8)copper(II) in the Ni2[Fe(CN)6]- and Cu2[Fe(CN)6]–gelatin-immobilized matrix systems

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The complexing processes leading under specific conditions to nickel(II)- or copper(II)hexacyanoferrate(II) gelatin-immobilized matrix systems in contact with aqueous–alkaline solutions (pH∼12) containing dithiooxamide and glyoxal, have been studied. It has been shown that template synthesis with formation of macrocyclic coordination compounds-(2,7-dithio-3,6-diazaoctadien-3,5-dithioamide-1,8) nickel(II) and (2,7-dithio-3,6-diazaoctadien-3,5-dithioamide-1,8)copper(II) takes place. In addition, dithiooxamide and glyoxal act as ligand synthons in this process.