Imidazolone derivatives with activity on central nervous system and antihypertensive activity, preparation methods thereof, and pharmaceutical compositions containing them
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United States of America Patent
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Oct 22, 1991
Grant Date -
N/A
app pub date -
Jan 18, 1990
filing date -
Jan 26, 1989
priority date (Note) -
Expired
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Abstract
Invention concerns 4,5-bisubstituted-2-imidazolone derivatives of formula I ##STR1## and pharmaceutically acceptable salts thereof, having high affinity in vitro for D.sub.2, 5-HT.sub.2, .sub.1 receptors and in vivo activity on central nervous system and antihypertensive activity with negligible secondary effects; methods for the preparation thereof; pharmaceutical formulations containing them.
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