The complexes fac-[PtMe3L]Cl (1: L = 1,4,7-tritiacyclononane; 2: L = 1,4,7,10-tetrathiacyclododecane; or 3: L = 10-oxa-1,4,7-trithiacyclododecane) have been prepared by reaction of L with [PtClMe3}4] in CDCl3. Variable temperature 1H and 13C1H} NMR studies have shown that the complex 2 undergoes a novel ligand commutation involving exchange between metal-coordinated and uncoordinated sulphur atoms
配合物fac- [PtMe 3 L] Cl(1:L = 1,4,7-tritiacyclononane; 2:L = 1,4,7,10- ththiacyclododecane ;或3:L = 10-oxa-1,4,通过使L与[PtClMe 3 } 4 ]在CDCl 3中反应制备了7-三
噻吩并
环十二烷)。可变温度1 H和13 C 1 H} NMR研究表明,配合物2经历了新的
配体交换,涉及大环的
金属配位
硫原子和未配位
硫原子之间的交换。相反,1和3 表现出温度不变的NMR光谱。