C-H Bond Activation by Radical Ion Pairs Derived from R3P/Al(C6F5)3 Frustrated Lewis Pairs and N2O

被引：146
|
作者：
Menard, Gabriel [1 ]
Hatnean, Jillian A. [1 ]
Cowley, Hugh J. [2 ]
Lough, Alan J. [1 ]
Rawson, Jeremy M. [2 ]
Stephan, Douglas W. [1 ]
机构：
[1] Univ Toronto, Dept Chem, Toronto, ON M5S 3H6, Canada
[2] Univ Windsor, Dept Chem & Biochem, Windsor, ON N9B 3P4, Canada
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2013年 / 135卷 / 17期
基金：
加拿大自然科学与工程研究理事会;
关键词：
TRANSITION-METAL CENTERS; NITROUS-OXIDE; OXIDATION; BEHAVIOR; COMPLEXES; PHOSPHINE; PLATFORM; BINDING;
D O I：
10.1021/ja402964h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Al(C6F5)(3)/R3P [R = tert-butyl (tBu), mesityl (Mes), naphthyl (Nap)] frustrated Lewis pairs react with N2O to form species, having the formula R3P(N2O)Al(C6F5)(3), which react with additional alane to generate proposed frustrated radical ion pairs formulated as [R3P.][mu.O.)(Al(C6F5)(3))(2)] that can activate C-H bonds. For R = tBu, C-H activation of a tBu group affords [tBu(2)PMe(C(CH2)Me)] [mu-OH)(Al(C6F5)(3))(2)]. In the case of R = Mes, the radical cation salt [Mes(3)P.][(mu-HO)(Al(C6F5)(3))(2)] is isolated, while for R = Nap, the activation of toluene and bromobenzene gives [(NaP)(3)PCH2Ph][(mu-OH)(Al(C6F5)(3))(2)] and [(Nap)(3)PC6H4Br][(mu-HO)(Al(C6F5)(3))(2)], respectively.
引用
收藏
页码：6446 / 6449
页数：4
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