NoteMono- and dinuclear Ni(II) complexes with N3O Schiff base ligands. Crystal structure of [Ni(AEPyz)]ClO4 (HAEPyz derived from 7-amino-4-methyl-5-aza-3-HEPTEN-2-ONE (cas 1119-44-4) and 2-acetylpyrazine)

Add time:09/10/2019    Source:sciencedirect.com

Mono- and dinuclear nickel(II) complexes with N3O asymmetrical Schiff bases have been prepared and characterised. The ligands used here were obtained by condensation of the amine 7-amino-4-methyl-5-aza-3-hepten-2-one (HAE) and 4(5)-imidazolecarboxaldehyde or 2-acetylpyrazine, to yield the isolated Schiff bases H2AE4(5)Im and HAEPyz, respectively. Physicochemical data (mean) indicate that all the complexes are quasi square planar. The X-ray crystal structure of [Ni(AEPyz)]ClO4 is reported, whose NiN3O cromophore is remarkably square planar.

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