Quinazoline deriviates for treating peptic ulcer
US5686458A · kind A · utility
14Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 1995 |
| Grant date | Nov 11, 1997 |
| Priority date | — |
| Expiry date | Jun 26, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P1/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A quinazoline derivative represented by formula(I) or a pharmaceutically acceptable salt thereof is useful for the treatment of peptic ulcer, wherein: ##STR1## R.sub.1 and R.sub.2 are each hydrogen or a C.sub.1 -C.sub.4 alkyl group; R.sub.3 is hydrogen or a halogen; PA1 R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8 and R.sub.9, which may be the same or different, are each hydrogen, a C.sub.1 -C.sub.4 alkyl group, a cyclopropyl group, or a C.sub.1 -C.sub.4 alkyl group substituted with a halogen; and PA1 R.sub.10 is a methoxy group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.