Quinazoline derivatives, compositions thereof and their use in treating diabetic complications
US4734419A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1986 |
| Grant date | Mar 29, 1988 |
| Priority date | — |
| Expiry date | Sep 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.