Facile Tempalte Synthesis in the System Ni(II)-Dithiooxamide-Acetaldehyde on Gelatin-immobilized Nickel (II) Hexacyanoferrate Matrices

摘要

Template synthesis of a nickel (II) chelate with an (N,N,S,S)-donor ligand, 4,6-dimethyl-2,8-dithio-3,7-diaza-5-oxanonanedithioamide-1,9 with a metal ion:ligand ratio of 1:1 is realized in getalinimmobiliZed nickel (II) hexacyanoferrate (II) matrices contacting with aqueous solutions containing dithioxamide and acetaldehyde (pH > 10), where the latter two compounds play the role of ligands synthons. On direct contact of diothioxamide and acetaldehyde in the solution in the absence of Ni(II), the above (N,N,S,S)-donor ligand does not form, and no nickel (II) chelates with this ligand can be obtained by reactions of known nickel (II) dithiooxamide complexes with acetaldehyde.