Pyrimido 1,2-b!isoquinolines
US4073906A · kind A · utility
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1References
7Claims
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Assignee
Inventors
Key dates
| Filing date | Nov 5, 1975 |
| Grant date | Feb 14, 1978 |
| Priority date | — |
| Expiry date | Nov 5, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to pyrimido 1,2-b!isoquinolines of the formula ##STR1## and their pharmaceutically acceptable acid addition salts. In the formula, R.sup.1 and R.sup.2 each represent hydrogen, hydroxyl, lower alkyl, lower alkoxy, trifluoromethyl, halogen, amino or mono- or di-(lower)alkylamino and R.sup.3 and R.sup.4 each represent hydrogen or lower alkyl. The compounds have utility as anti-gastric ulcer agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.