Patent · US Expired

LTB4 synthesis inhibitors

US5217981A · kind A · utility

2Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 27, 1992
Grant dateJun 8, 1993
Priority date
Expiry dateOct 27, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D333/38
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention relates to a compound of the formula ##STR1## or a pharmaceutically acceptable salt thereof wherein X is oxygen, sulfur, --CH.dbd.CH--or --CH.dbd.N--; wherein R.sub.1 is alkyl, alkenyl or alkynyl of about 1 to 20 carbon atoms; wherein R is --CO.sub.2 R.sup.2, tetrazole, methylsulfonamide or benzenesulfonamide, wherein R.sup.2 is hydrogen, alkyl of 1 to 6 carbon atoms or a pharmaceutically acceptable cation and R.sup.3 is hydroxyl or halogen, having utility as LTB.sub.4 synthesis inhibitors.

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