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|Title:||Pyridazinediones and amino acid receptors: theoretical studies, design, synthesis, and evaluation of novel analogues|
|Authors:||Greenwood, Jeremy Robert|
|Keywords:||pyridazine, pyridazinone, pyridazindione, gamma-aminobutyric acid, glutamate, GABA, excitatory amino acid, EAA, neurochemistry, synthesis, design, ab initio, semi-empirical, AMPA, NMDA, NBS, tautomerism, heterocyclic, heterocycle, chemistry|
|Publisher:||University of Sydney, Department of Pharmacology|
|Abstract:||http://www.pharmacol.usyd.edu.au/thesis This thesis is primarily concerned with a class of chemical compounds known as pyridazinediones, being 6-membered aromatic rings containing two adjacent nitrogen atoms (pyridazine), doubly substituted with oxygen. In particular, the work focuses on pyridazine-3,6-diones, derivatives of maleic hydrazide (1). Understanding of the chemistry of these compounds is extended, using theoretical and synthetic techniques. This thesis is also concerned with two very important classes of receptors which bind amino acids in the brain: firstly, the inhibitory GABA receptor, which binds g-aminobutyric acid (GABA) (2) in vivo, and for which muscimol (3) is an agonist of the GABAA subclass; secondly, Excitatory Amino Acid (EAA) receptors, which bind glutamate (4) in vivo, and in particular the AMPA subclass, for which (S)-2-amino-3-(3-hydroxy-5-methylisoxazol-4-yl)propionic acid (AMPA) (5) is an agonist. The connection between pyridazinediones and amino acid receptors is the design, synthesis, and evaluation of structures based on pyridazinediones as potential GABA and EAA receptor ligands. Techniques of theoretical chemistry, molecular modelling, synthetic chemistry, and in vitro pharmacology are used to explore pyridazine-3,6-dione derivatives as ligands.|
|Rights and Permissions:||Copyright Greenwood, Jeremy Robert;http://www.library.usyd.edu.au/copyright.html|
|Appears in Collections:||Sydney Digital Theses (Open Access)|
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