It depends on the nature of the Shiff base you are going to work with, as well as on the oxidation state of Au. Anyway, you should better use a gold precursor with the most labile ligands (e.g. halides). Generally: mix both components in organic solvent...
The oxidation state is necessary to selprperaandSchiff base according to hard and soft acid aaand bases rule.Any way it is an easy work and you can find much work in the literature.
it depends on the nature of the Schiff base you are working with. Au(III) chloride in the presence of a little base like Trimethylamine reacts well with schiff bases especially if you have at least one acidic hydrogen on the schiff base ligand.