Patent · US Expired

Phenol derivatives and pharmaceutical compositions containing these compounds

US4760087A · kind A · utility

3Cited by
1References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 1986
Grant dateJul 26, 1988
Priority date
Expiry dateMay 13, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/5428
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Phenol derivatives of the formula ##STR1## wherein A and B have the same or different meanings and each represent one of the groups --C.tbd.C--, cis--CH.dbd.CH-- or trans--CH.dbd.CH--, R.sub.1 is hydrogen, an optionally substituted alkyl or phenyl group or a cycloalkyl group, R.sub.2 is hydrogen, methyl or ethyl, R.sub.3 represents hydrogen, acetyl or propionyl, R.sub.4 has the same meaning as R.sub.3 or represents an alkyl group, R.sub.5 is a carboxylic or a hydroxy group or a functional derivative of such groups or R.sub.5 is a nitrile group and R.sub.6 is hydrogen, an alkyl group or the group OR.sub.4 which specifically inhibit 5-lipoxygenase and are useful in pharmaceutical compositions for prophylaxis and treatment of diseases due to the action of leukotrienes. The compounds are prepared by reacting suitable acetylene compounds or metal derivatives thereof with alkyl or aryl halides or by means of Wittig reactions optionally followed by transforming the member R.sub.5 into another carboxylic acid derivative. By hydrogenation A and B may be varied within the scope of the definition.

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