Facile Template Synthesis in the System Ni(II)-Dithiooxamide-Acetaldehyde on Gelatin-immobilized Nickel(II) Hexacyanoferrate Matrices |
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Authors: | Mikhailov O V |
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Institution: | (1) Kazan State Technological University, Kazan, Tatarstan, Russia |
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Abstract: | Template synthesis of a nickel(II) chelate with an (N'N'S'S)-donor ligand, 4'6-dimethyl-2'8-di-thio-3'7-diaza-5-oxanonanedithioamide-1'9, with a metal ion:ligand ratio of 1:1 is realized in getalin-immobilized nickel(II) hexacyanoferrate(II) matrices contacting with aqueous solutions containing dithiox-amide, acetaldehyde (pH > 10), where the latter two compounds play the role of ligand synthons. On directcontact of dithioxamide and acetaldehyde in the solution in the absence of Ni(II), the above (N,N,S,S)-donorligand does not form, and no nickel(II) chelates with this ligand can be obtained by reactions of known nickel(II) dithiooxamide complexes with acetaldehyde. |
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