16-electron, non-π-stabilized Ir(H)2(H2)(PBu2tPh)2+ and 18-electron Ir(H)2(H2)2(PBu2tPh)2+:: fluxionality and H/D exchange as independent processes

被引:17
作者
Cooper, AC
Eisenstein, O
Caulton, KG [1 ]
机构
[1] Univ Montpellier 2, LSDSMS, UMR 5936, F-34095 Montpellier 5, France
[2] Indiana Univ, Dept Chem, Bloomington, IN 47405 USA
关键词
D O I
10.1039/a801330f
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Variable-temperature H-1 NMR studies and ab initio (B3LYP) calculations have revealed hydride site exchange in [Ir(H)(2)(H-2)((PBu2Ph)-Ph-t)(2)][BAr4'] [Ar' = C6H3(CF3)(2)-3,5] as well as fluxional and HD formation processes in [Ir(H)(2)(H-2)(2)((PBu2Ph)-Ph-t)(2)][BAr4'] that occur via independent mechanisms.
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页码:307 / 309
页数:3
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