期刊
DALTON TRANSACTIONS
卷 45, 期 35, 页码 13695-13699出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6dt02698b
关键词
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资金
- European Commission
- EPSRC
- University of Edinburgh
- FP7 Marie Curie Actions of the European Commission [PCIG14-GA-2013-631483]
- Engineering and Physical Sciences Research Council [1499405] Funding Source: researchfish
Oxidative addition of inert bonds at low-valent main-group centres is becoming a major class of reactivity for these species. The reverse reaction, reductive elimination, is possible in some cases but far rarer. Here, we present a mechanistic study of reductive elimination from Al(III) centres and unravel ligand effects in this process. Experimentally determined activation and thermodynamic parameters for the reductive elimination of Cp*H from Cp*2AlH are reported, and this reaction is found to be inhibited by the addition of Lewis bases. We find that C-H oxidative addition at Al(I) centres proceeds by initial protonation at the low-valent centre.
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