Substituted alkylaminopyridazinone derivatives, process for the preparation thereof and pharmaceutical composition containing the same
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United States of America Patent
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Issued Date -
Feb 24, 2005
app pub date -
Oct 18, 2004
filing date -
Sep 27, 2001
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Abandoned
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Abstract
New substituted alkylaminopyridazinone derivatives of the general Formula (I), (wherein R.sub.1 is hydrogen or alkyl having 1-4 carbon atoms; X is hydrogen or halogen; R.sub.2 is hydrogen or alkyl having 1-4 carbon atoms; n is 1, 2 or 3; Q and W independently from each other stand for --N.dbd. or --CH.dbd.; and R.sub.4 and R.sub.5 independently from each other represent hydrogen, halogen, trifluoromethyl or alkoxy having 1-4 carbon atoms) and pharmaceutically acceptable acid addition salts thereof possess useful anxiolytic and cognition enhancing properties.
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