Phenanthridine derivatives and related compounds
US4046895A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 1976 |
| Grant date | Sep 6, 1977 |
| Priority date | — |
| Expiry date | Jan 23, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D221/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides a compound of formula I ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and represent hydrogen or alkyl of 1-6 carbon atoms, R.sup.3 represents hydrogen, alkyl of 1-6 carbon atoms, or phenyl, X is Na, K, Li, or CSNHR.sup.4 wherein R.sup.4 is hydrogen or alkyl of 1-6 carbon atoms and n is 3, 4 or 5 or a pharmaceutically acceptacle acid addition salt of a compound where X is CSNHR.sup.4. The compounds of formula I wherein X is CSNHR.sup.4 are anti-ulcer agents. Those in which X is Na, K or Li are intermediates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.