3-Isoxazoyl derivatives endowed with anticonvulsant activity, procedure for their preparation and their pharmaceutical compositions
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United States of America Patent
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Nov 2, 1993
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app pub date -
May 9, 1991
filing date -
Nov 30, 1988
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Abstract
The object of the invention is heterocyclic compounds of general formula (I) endowed with anticonvulsant activity: ##STR1## in which Y is selected from --O--, --S-- and ##STR2## R.sub.4 being H or optionally substituted alkyl, acyl or benzyl, Z is selected from the groups --CO--N(R.sub.6)--,--NH--CO--CH.dbd.CH-- and --N(R.sub.6)--CO, R.sub.6 being H or alkyl; R.sub.1 is C.sub.1 -C.sub.4 alkyl; R.sub.2 is C.sub.1 -C.sub.4 alkyl or halogen; R.sub.3 represents optionally substituted C.sub.1 -C.sub.4 alkyl, alkoxy or hydroxyalkyl, or C.sub.2 -C.sub.7 alkanoyl.
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