Patent · US Expired

Phenanthridine derivatives and related compounds

US4046895A · kind A · utility

7Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 1976
Grant dateSep 6, 1977
Priority date
Expiry dateJan 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.