Patent · US Expired

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

US5212203A · kind A · utility

14Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 23, 1990
Grant dateMay 18, 1993
Priority date
Expiry dateFeb 23, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D295/192
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

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, PA0 R.sub.5 represents hydrogen, lower alkyl, --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, PA0 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, PA0 R.sub.3 represents hydrogen or alkyl having 1-10 carbon atoms, and PA0 R.sub.4 represents hydrogen, lower alkyl or hydroxy, and PA0 the salts of this aromatic benzamido compound when R.sub.6 represents hydrogen.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.