1-amino-5-halogenouracils, process for their preparation, and central nervous system depressants containing same as active ingredient
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United States of America Patent
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Oct 12, 1993
Grant Date -
N/A
app pub date -
Jan 17, 1991
filing date -
Jul 18, 1988
priority date (Note) -
Expired
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Abstract
Disclosed are a central nervous system depressant which comprises a 1-amino-5-halogenouracil represented by the formula ##STR1## wherein X represents a halogen atom, or a pharmaceutically acceptable salt thereof as an active ingredient; a 1-amino-5-halogenouracil represented by the formula ##STR2## wherein X' represents chlorine, bromine or iodine, or a salt thereof; and a process for preparing a 1-amino-5-halogenouracil represented by the above shown formula [I] from a pyrimidine derivative represented by the formula ##STR3## wherein X represents a halogen atom and R represents a protective group.
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