C-H bond activation by rhodium(I) hydroxide and phenoxide complexes

被引:98
作者
Kloek, Susan M. [1 ]
Heinekey, D. Michael [1 ]
Goldberg, Karen L. [1 ]
机构
[1] Univ Washington, Dept Chem, Seattle, WA 98195 USA
关键词
C-H activation; H/D exchange; hydroxide ligands; NMR spectroscopy; rhodium;
D O I
10.1002/anie.200700270
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Chemical Equation Presented) Rhodium(I) complexes of the form [(PNP)Rh(OR)] (R = H, CH2CF3, C6H5; PNP = 2,6-bis[(di-tert-butylphosphino)methyl]pyridine) have been prepared. Upon thermolysis in [D6]benzene, the hydroxide and trifluoroethoxide complexes undergo benzene activation. [(PNP)Rh(OC6H5)] is an active catalyst for the H/D exchange between D2O and benzene and between H2O and [D8]toluene (see scheme), for which exchange occurs selectively at the meta and para positions. © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.
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页码:4736 / 4738
页数:3
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