Soft template synthesis in copper(II)-dithiooxamide-methanal, copper(II)-dithiooxamide-ethanal and copper(II)-dithiooxamide-propanone triple systems in a copper(II)hexacyanoferrate(II) gelatin-immobilized matrix

Novel complexing processes in the Cu-II-dithiooxamide-methanal, Cu-II-dithi ooxamide-ethanal and Cu-II- dithiooxamide-propanone triple systems proceedi ng under specific conditions, to copper(II)hexacyanoferrate(II) gelatin-imm obilized matrix systems in contact with aqueous-alkaline (pH similar to 12) solutions containing dithiooxamide and methanal, ethanal or propanone, hav e been studied. It has been shown that template synthesis leading to the fo rmation of macrocyclic coordination compounds (2,8-dithio-3,7-diaza-5-oxano nandithioamide-1,9)copper(II), (2,8-dithio-3,7-diaza-4,6-dimethyl-5-oxanona ndithio-amide-1,9)copper(II) and (4,4',6-trimethyl-2,8-dithio-3,7-diazanone n-6-dithioamide-1,9)copper(II), respectively, takes place under such condit ions. Dithiooxamide, methanal, ethanal and propanone act as ligand synthons in these processes.