Patent · US Expired

P-Alkyl or cycloalkyl phenoxy alkanols and alkanol esters and process for the treatment of allergic conditions

US4543362A · kind A · utility

1Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 13, 1984
Grant dateSep 24, 1985
Priority date
Expiry dateJan 13, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C51/367
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

p-Alkyl or cycloalkyl phenoxy alkanols and esters are provided having the structure: ##STR1## in which: R.sub.1 is an alkyl group having from one to six carbon atoms, preferably tertiary, and still more preferably tertiary-butyl; or a bivalent cycloalkylene group condensed with the phenyl group at adjacent ring carbons thereof, such as in indane; PA1 R.sub.2 is lower alkyl having from one to three carbon atoms or hydrogen; PA1 R.sub.3 is hydroxyl or an ester group selected from the group consisting of COOR.sub.4 and OOCR.sub.4 derived from unsubstituted and hydroxy-substituted monocarboxylic acids and COOR.sub.5 OOC and OOCR.sub.5 COO derived from unsubstituted and hydroxy-substituted dicarboxylic acids, the acids being selected from the group consisting of aliphatic acids, including carbamic acid, having from one to about twelve carbon atoms; cycloaliphatic acids having from three to about twelve carbon atoms; carbocyclic aromatic acids having from six to about twenty carbon atoms; and nitrogen heterocyclic aromatic acids having from five to about twelve carbon atoms, R.sub.4 being monovalent aliphatic, cycloaliphatic, aromatic, or nitrogen heterocyclic aromatic, and R.sub.5 being…

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