An experimental study of the mechanism for the combined C-O and C-H bond activation of dimethylether by bare Fe+ ions

被引：15
|
作者：
LeCaer, Sophie
Mestdagh, Helene
Schroeder, Detlef [1 ]
Zummack, Waltraud
Schwarz, Helmut
机构：
[1] Tech Univ Berlin, Inst Chem, D-10623 Berlin, Germany
[2] Univ Paris 11, Chim Phys Lab, F-91405 Orsay, France
来源：
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY | 2006年 / 255卷
关键词：
bond activation; dimethylether; iron; isotope effects; reaction mechanisms; GAS-PHASE REACTIONS; TRANSITION-METAL IONS; MOLECULE REACTIONS; COMPLEXES; CHEMISTRY; METHANOL; GENERATION; ISOMERS; FEO+; INTERCONVERSION;
D O I：
10.1016/j.ijms.2005.12.030
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
By means of mass spectrometric experiments, a semi-quantitative potential-energy surface for the coupled C-O and C-H bond activation of dimethylether by gaseous Fe+ is proposed, which can account for all experimental observations made for this system. Thus, the insertion of the metal cation into the C-O bond to afford the insertion species [CH3-Fe-OCH3](+) is rate determining, followed by P-hydrogen transfer to first afford the bisligated complex (CH4)Fe(CH2O)(+) and then the final products Fe(CH2O)(+) + CH4. (C) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：239 / 243
页数：5
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