Semicarbazones having CNS activity and pharmaceutical preparations containing same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 10, 2004
Grant Date -
N/A
app pub date -
Apr 20, 2000
filing date -
Jun 7, 1995
priority date (Note) -
Expired
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Abstract
A compound of general formula I below useful as an anticonvulsant for disorders of the central nervous system: ##STR1## wherein: R.sup.1, R.sup.2, R.sup.3 and R.sup.4 may be the same or different and each represents a hydrogen or halogen atom, or a C.sub.1-9 alkyl, C.sub.3-9 cycloalkyl, cyano, C.sub.1-9 alkoxy or C.sub.6-10 aryloxy group; R.sup.5 represents a hydrogen atom or a C.sub.1-9 alkyl, C.sub.3-9 cycloalkyl or C.sub.6-10 aryl group; and X is oxygen or sulfur; or a pharmaceutically-acceptable salt thereof. The compound may be adimistered orally for treating convulsions in humans or animals.
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