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The cyclic structure of 2-phenyl-2-(2-pyridyl)imidazolidine (1) derived from the condensation of 1,2-diaminoethane and 2-benzoylpyridine has been confirmed by X-ray crystallography. Reaction of (1) with salts of nickel(II) and copper(II) leads to metal induced ring opening and the formation of complexes containing the tridentate ligand (L). The formulae of the complexes derived from NiX 2 ...
The reactions of NiX 2 ·6H 2 O (X=Cl − , ClO4-, NO3-) with a new macrocyclic Schiff base ligand (L=8,9,18,19-tetrahydro-7H,17H-dibenzo[f,o][1,5,9,13]dioxadiaza cyclohexadecine-8,18-diol), potentially hexadentate containing two alcoholic pendant arms, have been investigated by template condensation of 2-[3-(2-formylphenoxy)-2-hydroxypropoxy]benzaldehyde and 1,3-diamino-2-propanol...
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