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Structural correlations for 1H, 13C and 15N NMR coordination shifts in Au(III), Pd(II) and Pt(II) chloride complexes with lutidines and collidine

✍ Scribed by Leszek Pazderski; Tomasz Pawlak; Jerzy Sitkowski; Lech Kozerski; Edward Szłyk

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
213 KB
Volume
48
Category
Article
ISSN
0749-1581

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✦ Synopsis

studies of gold(III), palladium(II) and platinum(II) chloride complexes with dimethylpyridines (lutidines: 2,3-lutidine, 2,3lut; 2,4-lutidine, 2,4lut; 3,5-lutidine, 3,5lut; 2,6-lutidine, 2,6lut) and 2,4,6-trimethylpyridine (2,4,6-collidine, 2,4,6col) having general formulae [AuLCl 3 ], trans-[PdL 2 Cl 2 ] and trans-/cis-[PtL 2 Cl 2 ] were performed and the respective chemical shifts (δ 1H , δ 13C , δ 15N ) reported. The deshielding of protons and carbons, as well as the shielding of nitrogens was observed. The 1 H, 13 C and 15 N NMR coordination shifts ( 1H coord , 13C coord , 15N coord ; coord = δ complexδ ligand ) were discussed in relation to some structural features of the title complexes, such as the type of the central atom [Au(III), Pd(II), Pt(II)], geometry (trans-or cis-), metal-nitrogen bond lengths and the position of both methyl groups in the pyridine ring system.

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