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In vivo dopamine agonist and antagonist activities of a series of substituted dihydrophenalenes

In vivo dopamine agonist and antagonist activities of a series of substituted dihydrophenalenes A series of structurally rigid compounds (2‐amino‐2, 3‐dihydro‐3H‐phenalenes) has been synthesized for dopamine (DA) agonist activities. One member (U‐66444B) in the series has been reported as a potent and selective agonist for presynaptic DA receptors. Among close analogues of U‐66444B, we have identified two compounds with DA antagonist activities by behavioral and biochemical endpoints. The distinguishing chemical features of these two antagonists are methyl substitutions on the amino nitrogen and a phenolic hydroxy group having a most proximal position to the amino group. The structure‐activity relationship in this series of compounds may contribute to future design of DA agonists and antagonists. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Drug Development Research Wiley

In vivo dopamine agonist and antagonist activities of a series of substituted dihydrophenalenes

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References (6)

Publisher
Wiley
Copyright
Copyright © 1990 Wiley‐Liss, Inc.
ISSN
0272-4391
eISSN
1098-2299
DOI
10.1002/ddr.430210107
Publisher site
See Article on Publisher Site

Abstract

A series of structurally rigid compounds (2‐amino‐2, 3‐dihydro‐3H‐phenalenes) has been synthesized for dopamine (DA) agonist activities. One member (U‐66444B) in the series has been reported as a potent and selective agonist for presynaptic DA receptors. Among close analogues of U‐66444B, we have identified two compounds with DA antagonist activities by behavioral and biochemical endpoints. The distinguishing chemical features of these two antagonists are methyl substitutions on the amino nitrogen and a phenolic hydroxy group having a most proximal position to the amino group. The structure‐activity relationship in this series of compounds may contribute to future design of DA agonists and antagonists.

Journal

Drug Development ResearchWiley

Published: Jan 1, 1990

Keywords: neuroleptic; dopamine agonists; dopamine antamine antagonists; amino dihydrophenalenes

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