Heterocyclic amino compounds
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United States of America Patent
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Sep 6, 1988
Issued Date -
N/A
app pub date -
Jun 25, 1986
filing date -
Apr 24, 1984
priority date (Note) -
Expired
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Abstract
Compounds of the general formula (I) ##STR1## (wherein R is H, alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or CHO; and R.sup.1 and R.sup.2 each represents H, fluorine or chlorine); and their salts have selective .alpha..sub.2 -adrenoreceptor antagonist action. The compounds may be prepared by amination of compounds of the general formula (II): ##STR2## (wherein X is a leaving group).
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