期刊
COORDINATION CHEMISTRY REVIEWS
卷 254, 期 11-12, 页码 1295-1306出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2010.02.002
关键词
Metallophosphoranes; Mechanism; Density functional theory; Isomerization; M-X/P-R exchange; Bond activation; C-F activation; Phosphine ligands
资金
- EPSRC
- Heriot-Watt University
- [GR/T28539/01]
Reactions in which metallophosphoranes, of general formula LnMPR4, have been implicated as intermediates or possible transition states are reviewed. Such species can be accessed via nucleophilic attack on metal-phosphine complexes, with the source of nucleophile being either external or internal in the form of an anionic co-ligand. The reverse process, transfer of a group from a {PR4} ligand to a metal, has also been observed with the formation of a metal phosphine. Thus metallophosphoranes have been postulated to play a role in isomerization processes and novel M-X/P-R exchange reactions. Metallophosphoranes have also been implicated in unusual 'phosphine-assisted C-F bond activation' reactions. Recent computational studies on these processes are discussed. (C) 2010 Elsevier B.V. All rights reserved.
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