O-carbamoyl-(d)-phenylalaninol compounds, their pharmaceutically useful salts and process for preparing the same
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United States of America Patent
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Jan 6, 1998
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Feb 5, 1996
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Feb 11, 1995
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Abstract
The present invention relates to O-carbamoyl-(D)-phenylalaninol compound represented by the following structural formula V and pharmaceutically acceptable salts thereof to treat diseases of the central nervous system: ##STR1## wherein R.sup.1 and R.sup.2 may be the same with or different from each other and are independently selected from the group consisting of hydrogen, lower alkyl containing 1 to 8 carbon atoms, and 5 to 7-membered aliphatic cyclic compounds which may comprise not more than two nitrogen or oxygen atoms directly unconnected, the total number of carbon atom of R.sup.1 and R.sup.2 ranging from 0 to 16.
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