Aromatic benzamido compounds, their preparation and their use in human or veterinary medicine or in cosmetic preparations
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United States of America Patent
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May 22, 1990
Grant Date -
N/A
app pub date -
Jan 21, 1987
filing date -
Jan 21, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An aromatic benzamido compound having the formula ##STR1## wherein R.sub.1 represents --CH.sub.2 OH, --CHOHCH.sub.3 or --COR.sub.5, R.sub.5 represents hydrogen, lower alkyl, or --OR.sub.6 or ##STR2## R.sub.6 represents hydrogen, lower alkyl or mono- or polyhydroxyalkyl, r' and r' represent hydrogen, lower alkyl, mono or polyhydroxyalkyl, aryl or benzyl optionally substituted, the residue of an amino acid or aminated sugar or taken together form a heterocycle, R.sub.2 represents an .alpha.,.alpha.'-disubstituted alkyl having 4-12 carbon atoms or mono or polycyclic cycloalkyl having 5-12 carbon atoms, the linking carbon of which is quaternary, R.sub.3 represents hydrogen or alkyl having 1-10 carbon atoms, and R.sub.4 represents a hydrogen, lower alkyl or hydroxy, and the salts of this aromatic benzamido compound when R.sub.6 represents hydrogen.
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