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Some reactions of organometallic π-complexes

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Coles, David Geoffrey (1976) Some reactions of organometallic π-complexes. PhD thesis, University of Warwick.

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Official URL: http://webcat.warwick.ac.uk/record=b1748053~S15

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Abstract

The work of this thesis is in two parts. The first is concerned with the problem of producing the perfume base, muscone, from inexpensive, readily available precursors.

Previously it had been shown that zero-valent nickel complexes would cyclotrimerise butadiene; an intermediate in the reaction being a twelve carbon bis π-allyl complex. The object of the work was to attempt to use this intermediate to produce a fifteen membered carbocycle which could readily be converted into muscone or some other related compound. The preparation and characterisation of the intermediate is described, together with the experimental approach to the problem.

Although the work was not successful in producing significant amounts of a fifteen-membered carbocycle, some insight was gained into the reactivity of the π -allyl groups.

The second part of the thesis is concerned with bonding modes and hydrogen shifts in cycloheptatriene complexes with transition metals.

The preparation and characterisation of the previously unknown h¹ , h² complex, cycloheptatriene rhodium acetylacetonate, is described, together with some of its reactions. Hydrogen shifts in this compound are considered and compared with those in cycloheptatriene iron tricarbonyl and in both cases appears to be non-specific. The complexes are also considered as offering possible routes for the synthesis of [²H₇] and [²H₈] cycloheptatriene.

Item Type: Thesis (PhD)
Subjects: Q Science > QD Chemistry
Library of Congress Subject Headings (LCSH): Organometallic compounds, Organometallic chemistry
Official Date: April 1976
Dates:
DateEvent
April 1976Submitted
Institution: University of Warwick
Theses Department: Department of Molecular Sciences
Thesis Type: PhD
Publication Status: Unpublished
Supervisor(s)/Advisor: Brown, J. M.
Sponsors: Science Research Council (Great Britain) ; Bush Boake Allen Ltd.
Extent: 86 leaves : illustrations, charts
Language: eng

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