Histamine H.sub.3 -receptor antagonists and therapeutic uses thereof
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United States of America Patent
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Jan 23, 1996
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Oct 29, 1993
filing date -
Apr 1, 1992
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Abstract
The present invention is directed to compounds of the class of piperidyl-imidazole derivative histamine H.sub.3 -receptor antagonists. Such compounds have affinity for histamine H.sub.3 -receptor, and preferably penetrate the blood-brain barrier. The compounds can block the soporific effect of an H.sub.3 -receptor agonist. Illustrative of the compounds of the invention is the molecule 4-(1-cyclohexylvaleroyl-4-piperidyl)-1H-imidazole. These compounds have been found to have utility in treating cognitive disorders and have been found to be useful as appetite suppressants.
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