A bridge opening selectivity in the adams-cotton mechanism: the preparation and fluxional behaviour of (η5-Cp)2Fe2(CO)2(CNBu-t)2

Howell, James A. S. ; Mathur, Pradeep (1979) A bridge opening selectivity in the adams-cotton mechanism: the preparation and fluxional behaviour of (η5-Cp)2Fe2(CO)2(CNBu-t)2 Journal of Organometallic Chemistry, 174 (3). pp. 335-341. ISSN 0022-328X

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/S0022-328X(00)85598-9

Abstract

The title molecule exists in solution as a mixture of (η5-Cp)2Fe2(μ-CO)2(CNBu-t)2 and (η5-Cp)2Fe2(μ-CO)(μ-CNBu-t)(CO)(CNBu-t) isomers. NMR studies show that interconversion by the Adams-Cotton mechanism proceeds by two different pathways having significantly different activation energies.

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