Cyclic guanidine derivatives, anti-ulceratives and methods of manufacturing the same
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United States of America Patent
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Apr 16, 1991
Grant Date -
N/A
app pub date -
Dec 13, 1989
filing date -
Dec 28, 1988
priority date (Note) -
Expired
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Abstract
Derivatives of cyclic guanidine are disclosed, which are represented by the following formula: A--S--R wherein A is ##STR1## R.sub.1 represent a lower alkyl or substituted phenyl or unsubstituted phenyl group; R.sub.2 is a lower alkyl; R.sub.3 is H or a lower alkyl; R is lower alkyl, alkenyl, alkynyl, alkanoyl, alkenoyl, dialkylaminoalkyl, cyanoalkyl, alkoxycarbonylalkyl, carboxylalkenyl, alkoxycarbonyl, alkoxyalkylcarbonyl, dialkylaminocarbonyl, dialkylaminothiocarbonyl, phenoxyalkylcarbonyl, piperidinoalkyl, pyridine carbonyl, substituted or unsubstituted benzoyl, or substituted or unsubstituted benzyl group. The compounds of the present invention are useful as anti-ulcerative agents.
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