217790-53-9Relevant academic research and scientific papers
Platinum (II) and palladium (II) complexes derived from the anion of sulfathiazole; Crystal structure of cis- [Pt (stz) 2 (PPh3) 2] · 3CHCl3
Henderson, William,McCaffrey, Louise J.,Dinger, Maarten B.,Nicholson, Brian K.
, p. 3137 - 3144 (2008/10/09)
Reaction of the complexes cis- [PtCl2L2] [L = PPh3 or L2 = 1,1′-bis (diphenylphosphino) ferrocene (dppf) ] , or [PdCl2 (phen) ] [phen = 1,10-phenanthroline] with two mole equivalents of sulfathiazole (stzH) in methanol with excess triethylamine yields the complexes cis- [M (stz) 2L2] in good yields. The complexes have been characterised by elemental microanalysis, together with infrared, 1H and 31P NMR spectroscopies. A single-crystal X-ray structure determination on the complex cis- [Pt (stz) 2 (PPh3) 2] 3a shows that both stz ligands coordinate via the thiazole nitrogen atoms. Using positive-ion electrospray mass spectrometry (ESMS) all complexes yield strong molecular ions [M+H] + at low cone voltages. At higher cone voltages, loss of one stz ligand occurs, giving [L2M (stz) ] + ions. The complex cis- [PtCl (stz) (PPh3) 2] 4 was also prepared using a 1 : 1 mole ratio of reactants. Functionalisation of both primary arylamine groups of 3a can be accomplished using either acetic anhydride or trifluoroacetic anhydride, in pyridine solvent, and the derivatives 5 were characterised by 31P NMR spectroscopy, elemental analysis and ESMS.
