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A new class of agonists and antagonists of N-methyl-D-aspartic acid receptors: derivatives of imidazole-4,5- and pyrazole-3,4-dicarboxylic acids

A new class of agonists and antagonists of N-methyl-D-aspartic acid receptors: derivatives of imidazole-4,5- and pyrazole-3,4-dicarboxylic acids

Neuroscience and Behavioral Physiology 30(5): 553-558

Studies of imidazole-4,5- and pyrazole-3,4-dicarboxylic acid derivatives revealed a number of new agonists and antagonists of N-methyl-D-aspartic acid (NMDA) receptors. Studies were based on whole-cell patch-clamp methods applied to rat hippocampus pyramidal cells. Increases in the lipophilicity of the environment of the nitrogen atom, keeping the distance between the terminal acid functions constant, led to a weakening of NMDA antagonism and increases in NMDA antagonism. Increases in the lipophilicity around the nitrogen atom could also lead to less of selectivity in the interaction with NMDA receptors and the appearance of non-NMDA antagonist properties.

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Accession: 045079391

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PMID: 11037147

DOI: 10.1007/bf02462614

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