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Title: Arene clusters of ruthenium
Author: Dyson, Paul J.
Awarding Body: University of Edinburgh
Current Institution: University of Edinburgh
Date of Award: 1993
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The thesis commences with a general introduction outlining the attraction of arene clusters and develops the area pertinent to the research described thereafter. An account of the synthesis, characterisation and reactivity of a series of cyclohexadiene and benzene clusters derived from the pentanuclear cluster Ru5C(CO)15 is given. Encompassed within this work are investigations concerned with benzene migration and mechanisms by which 1,4-dienes isomerise to 1,3-dienes. A new stepwise route to the bis-benzene cluster Ru6C(CO)11(η6-C6H6)(μ3-η2:η2:η2-C6H6) is described, followed by a more general route to bis-arene clusters. Chemical characterisation and structural elucidation of a range of intermediate compounds and other arene and bis-arene species are chronicled. These include 'sandwich' clusters and a face-capping arene in a near-ecliped orientation. The five-membered aromatic ring systems [C5Me5]- and [C5H5]- are also described. Lastly, the crystal structures exhibited by arene clusters are examined. A co-crystal containing both a mono- and bis-arene species shows that the interactions found in independent crystals also dominate in the mixed system.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available