US 4,927,928 A · Aromatic benzamido compounds, their preparation and their use in human or veterinary medicine or in cosmetic preparations

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.

Claims3

Dependent claims

An aromatic benzamido compound having the formula ##STR7## wherein R.sub.1 represents --COR.sub.5 wherein R.sub.5 represents --OR.sub.6 wherein R.sub.6 represents hydrogen, lower alkyl or mono- or polyhydroxyalkyl,

R.sub.2 represents 1-adamantyl,
R.sub.3 represents alkyl having 1-10 carbon atoms,
R.sub.4 represents hydrogen, lower alkyl or hydroxy, and the pharmaceutically or cosmetically acceptable salts of said aromatic benzamido compound of Formula I when R.sub.6 represents hydrogen.

Dependencies are inferred from the claim text.

Aromatic benzamido compounds, their preparation and their use in human or veterinary medicine or in cosmetic preparations

Life of this patent

Aromatic benzamido compounds, their preparation and their use in human or veterinary medicine or in cosmetic preparations

Life of this patent

Abstract

Claims3