Patent · US Expired

Quinazoline derivatives, compositions thereof and their use in treating diabetic complications

US4734419A · kind A · utility

36Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 16, 1986
Grant dateMar 29, 1988
Priority date
Expiry dateSep 16, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D409/06
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention relates to compounds of the formula: ##STR1## in which R.sup.1 and R.sup.2 are each hydrogen, halogen, lower alkoxy or halo(lower)alkyl, PA0 R.sup.3 is dihalophenyl, naphthyl(lower)alkyl, phenyl(lower)alkyl substituted by one or two substituent(s) selected from the group consisting of halogen, lower alkoxy, halo(lower)alkyl and lower alkyl, or thienyl(lower)alkyl, PA0 R.sup.4 is carboxy or protected carboxy, PA0 Y is carbonyl, thiocarbonyl or sulfonyl and PA0 Z is lower alkylene, and pharmaceutically acceptable salts thereof, useful in the treatment of diabetic complications.

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