Studies towards the total synthesis and structure elucidation of leiodolide A
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Leiodolide A is a unique natural product isolated from Pacific marine sponges which has provided an interesting target for total synthesis due to its complex structure and undefined stereochemistry. Although synthetic work towards the synthesis of sister compound leiodolide B has been published, the total synthesis of leiodolide A is yet to be achieved but remains an important target due to high potency against leukaemia, non-small lung and ovarian cancers. The convergent strategy towards the synthesis of leiodolide A involved the synthesis of three subunits; a synthetic route to the C21-C25 vinyl stannane is described, and efforts towards the synthesis of the bidirectional C11-C20 subunit are detailed. Asymmetric vinylogous aldol methodology was developed for the installation of the 1,2-syn propionate motif found in the C1-C10 subunit and in other polypropionate natural products, and was shown to be applicable to a range of substrates in moderate diastereoselectivity and excellent enantioselectivity.
Thesis, PhD Doctor of Philosophy
Embargo Date: 2018-08-08
Embargo Reason: Thesis restricted in accordance with University regulations. Print and electronic copy restricted until 8th August 2018
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