Thiadiazole derivatives active on the central nervous system and pharmaceutical compositions
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United States of America Patent
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Jun 24, 1986
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N/A
app pub date -
Oct 11, 1985
filing date -
Oct 18, 1984
priority date (Note) -
Expired
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Abstract
The invention relates to thiadiazole derivatives corresponding to the formula: ##STR1## in which R represents: a linear or branched alkyl group having from 1 to 5 carbon atoms; a cycloalkyl group having 5 or 6 carbon atoms; a phenyl group optionally substituted by 1 or 2 halogen atoms, preferably chlorine, by 1 or 2 lower alkyl or lower alkoxy groups, by 1 or 2 hydroxyl groups or by a nitro or trifluoromethyl group; a biphenylyl group; or an alpha-naphthyl group; and the pharmaceutically acceptable salts of the said derivatives. It also relates to a process for the preparation of the said derivatives and the pharmaceutical compositions in which they are present. The said derivatives act on the central nervous system.
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