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Syntheses and Single-Crystal X-ray Structures of a Series of Monosubstituted cis,cis-1,3,5-Triaminocyclohexane-Based Complexes

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journal contribution
posted on 04.06.1997, 00:00 authored by Leroy Cronin, Bryan Greener, Simon P. Foxon, Sarah L. Heath, Paul H. Walton
The four triimine compounds cis,cis-1,3,5-tris[(E)-(X)-benzylideneamino]cyclohexane [X = H (1); 3-hydroxy (2); 3,5-dimethoxy (3); 4-acetamido (4)] are synthesized by the condensation of cis,cis-1,3,5-triaminocyclohexane with a substituted aromatic aldehyde. Complexation of these ligands with metal salts (1 with Ni, Cu, and Zn salts; 2 and 3 with Cu salts; 4 with a Zn salt) causes a selective hydrolysis reaction producing new monoimine complexes. The resulting complexes are characterized by a combination of infrared spectroscopy, elemental analysis, mass spectrometry and, in the cases of the zinc complexes, 1H NMR spectroscopy. The structures of all six complexes are confirmed by single-crystal X-ray crystallographic studies.

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