A series of zinc(II) complexes with quinaldinate were prepared and structurally characterized. A starting material, [Zn(kinal)2(MeOH)2], was prepared upon the reaction of zinc(II) acetate with quinaldic acid. The main aim was to replace the coordinated methanol with
4-hydroxymethylpyridine, pyridine, 3-hydroxypyridine or pyridine N-oxide. Reactions with the first two ligands (L=4-hmpy, py) were met with success:
[Zn(kinal)2(MeOH)2] + 2L [Zn(kinal)2L2] + 2MeOH
Reactions with 3-hydroxypyridine or pyridine N-oxide resulted in a complex with coordinated water, [Zn(kinal)2(H2O)].