Carbon monoxide promoted reductive elimination of hydrogen from Tp′ platinum complexes

被引:32
作者
West, NM [1 ]
Reinartz, S [1 ]
White, PS [1 ]
Templeton, JL [1 ]
机构
[1] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA
关键词
D O I
10.1021/ja056766m
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Acid-assisted reductive elimination of hydrogen from Tp'PtH3 and of methane and hydrogen from Tp'PtMeH2 (Tp' = hydridotris(3,5-dimethylpyrazolyl)borate) is examined herein. Loss of H-2 is observed from solutions containing platinum(IV) complexes of the type Tp'Pt(R)(H)(2) (R = Me, H) upon protonation and addition of a ligand such as CO. Results of kinetic studies on reductive elimination of H-2 and formation of [kappa(2)-(HTp')Pt(R)(L)][BAr`(4)] products from intermediates derived from Tp'Pt(R)(H)(2) precursors are described. Elimination appears to occur from cationic 6-coordinate [kappa(2)-(HTp')Pt(R)(H)(2)(L)][BAr'(4)] species.
引用
收藏
页码:2059 / 2066
页数:8
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