I have to crystallise complexes of [Ru(NH3)4(SO2)4-fluoropyridine]Tosylate2 by common ion effect. I have actually done the synthesis of an analogous material o[Ru(NH3)4(SO2)3-fluoropyridine]Tosylate2. the same synthesis only produce a by-product [Ru(NH3)4(SO2)H2O]Tosylate2. Any idea why does it happen?
Hi Gordon, what kind of information you need?
Thanks for your ideas!! Your suggestion are good but unlikely to happen in my system (1-3). In the case of idea 4, I think it's likely but I have change the solvent from water to methanol without any change
Do you know the relative basicities of 4-fluoro and 3-fluoropyridine? They may be different enough to permit formation of one complex, but not the other, in the presence of water.
Hi James!
Yes, they are different. However, I know that it can be done as I think I have synthesised the complex but as a powder and not as a good crystal. That was done.with another similar method.
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