Rampling, RA, 2000. The synthesis of novel cyclic agelasphin derivatives. PhD, Nottingham Trent University.
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Abstract
The agelasphins, α-galactosylceramides, are a group of natural products which exhibit interesting immunomodulating activity. These have served as leads for structural analogues, which are now in clinical trials as anti-cancer agents. The agelasphins and their derivatives are acyclic compounds consisting of a ceramide bound to a galactose, and have conformational freedom.
The aim of the research described herein was to synthesise conformationally restrained analogues of the agelasphins, using structures based on 3-alkyl-3,4-dihydroxy-5-hydroxymethyl pyrrolidinone. Two synthetic strategies were followed. Extensive attempts to prepare the target pyrrolidinones from acyclic precursors were unsuccessful. Elaboration of pyroglutamate derivatives, however, led to 3-(a-hydroxyalkyl)-3-hydroxy-5-hydroxymethylpyrrolidinones, but no 3,4-dihydroxy analogues were obtained.
Coupling of these to glucose or galactose by a variety of methods lead to agelasphin analogues, which were subjected to biological assay.
Item Type: | Thesis |
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Creators: | Rampling, R.A. |
Date: | 2000 |
ISBN: | 9781369315776 |
Identifiers: | Number Type PQ10183372 Other |
Divisions: | Schools > School of Science and Technology |
Record created by: | Linda Sullivan |
Date Added: | 22 Sep 2020 09:42 |
Last Modified: | 10 Aug 2023 10:23 |
URI: | https://irep.ntu.ac.uk/id/eprint/40868 |
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