Diastereoselective intramolecular aldol ring closures of threonine derivatives leading to densely functionalised pyroglutamates related to oxazolomycin

Intramolecular aldol reactions on oxazolidine templates derived from threonine may be used to generate libraries of densely functionalised pyroglutamates with a high level of diastereoselectivity; the oxazolidine precursors themselves are suitable for further direct manipulation by side chain alkyla...

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Main Authors: Heaviside, E, Moloney, M, Thompson, A
Format: Journal article
Published: Royal Society of Chemistry 2014
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author Heaviside, E
Moloney, M
Thompson, A
author_facet Heaviside, E
Moloney, M
Thompson, A
author_sort Heaviside, E
collection OXFORD
description Intramolecular aldol reactions on oxazolidine templates derived from threonine may be used to generate libraries of densely functionalised pyroglutamates with a high level of diastereoselectivity; the oxazolidine precursors themselves are suitable for further direct manipulation by side chain alkylation, permitting rapid access to cyclised products with several points of chemical diversity. Although these systems may be considered to be structural mimics of the functionalised pyroglutamate portion of oxazolomycin, little antibacterial activity against S. aureus and E. coli was found. These systems may additionally have application as three-dimensional fragments for drug discovery and development.
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spelling oxford-uuid:1758e3c8-fb58-4ddd-8c7c-87b82058be702022-03-26T10:36:45ZDiastereoselective intramolecular aldol ring closures of threonine derivatives leading to densely functionalised pyroglutamates related to oxazolomycinJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:1758e3c8-fb58-4ddd-8c7c-87b82058be70Symplectic Elements at OxfordRoyal Society of Chemistry2014Heaviside, EMoloney, MThompson, AIntramolecular aldol reactions on oxazolidine templates derived from threonine may be used to generate libraries of densely functionalised pyroglutamates with a high level of diastereoselectivity; the oxazolidine precursors themselves are suitable for further direct manipulation by side chain alkylation, permitting rapid access to cyclised products with several points of chemical diversity. Although these systems may be considered to be structural mimics of the functionalised pyroglutamate portion of oxazolomycin, little antibacterial activity against S. aureus and E. coli was found. These systems may additionally have application as three-dimensional fragments for drug discovery and development.
spellingShingle Heaviside, E
Moloney, M
Thompson, A
Diastereoselective intramolecular aldol ring closures of threonine derivatives leading to densely functionalised pyroglutamates related to oxazolomycin
title Diastereoselective intramolecular aldol ring closures of threonine derivatives leading to densely functionalised pyroglutamates related to oxazolomycin
title_full Diastereoselective intramolecular aldol ring closures of threonine derivatives leading to densely functionalised pyroglutamates related to oxazolomycin
title_fullStr Diastereoselective intramolecular aldol ring closures of threonine derivatives leading to densely functionalised pyroglutamates related to oxazolomycin
title_full_unstemmed Diastereoselective intramolecular aldol ring closures of threonine derivatives leading to densely functionalised pyroglutamates related to oxazolomycin
title_short Diastereoselective intramolecular aldol ring closures of threonine derivatives leading to densely functionalised pyroglutamates related to oxazolomycin
title_sort diastereoselective intramolecular aldol ring closures of threonine derivatives leading to densely functionalised pyroglutamates related to oxazolomycin
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AT moloneym diastereoselectiveintramolecularaldolringclosuresofthreoninederivativesleadingtodenselyfunctionalisedpyroglutamatesrelatedtooxazolomycin
AT thompsona diastereoselectiveintramolecularaldolringclosuresofthreoninederivativesleadingtodenselyfunctionalisedpyroglutamatesrelatedtooxazolomycin