Reactivity of [Cp*Rh(η6-C6H3NH2-2,6-i-Pr2)](OTf)2 toward phosphines and alkynes

被引：11

作者：

Lim, Mi S. ^{[1
]}

Baeg, Ji Young ^{[1
]}

Lee, Soon W. ^{[1
]}

机构：

[1] Sungkyunkwan Univ, Inst Basic Sci, Dept Chem, BK21, Suwon 440746, South Korea

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2006年 / 691卷 / 19期

关键词：

rhodium aniline complex; phosphine; alkynes; 2+2+1] cycloaddition;

D O I：

10.1016/j.jorganchem.2006.06.016

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The cationic aniline complex [Cp*Rh(eta(6)-2,6-(Me2CH)(2)C6H3NH2)](OTf)(2) (1) was prepared from either [Cp*Rh eta(2) -NO3)(eta(1)-OTf)] or [Cp*Rh(OH2)(3)](OTf)(2) and 2,6-diisopropylaniline. Complex I underwent substitution with phosphines or phosphites, indicating the labile character of the eta(6)-aniline ligand. Complex 1 mediated cycloaddition reactions of several alkynes in refluxing ethanol: the [2 + 2] dimerization for Ph-C equivalent to C-Ph and the [2 + 2 + 1] trimerization for Ph-C equivalent to C-H and CH3C6H4-C equivalent to C-H. The unexpected cyclobutadiene complex [Cp*Rh(eta(4)-C-4(C(O)CH3)(2)H(SiMe3))] was obtained from complex 1 and MeSi-C equivalent to C-C equivalent to C-SiMe3 and structurally characterized by X-ray diffraction. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：4100 / 4108

页数：9

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