Phenanthridine derivatives, process for the preparation thereof, and compositions containing them
US5093247A · kind A · utility
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2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1990 |
| Grant date | Mar 3, 1992 |
| Priority date | — |
| Expiry date | Feb 8, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/886
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
The invention relates to 1,8-dihydroxy-3-methylbenz[b]phenanthridine-7,12-dione and its derivatives of formula I ##STR1## wherein R.sup.1 is hydrogen or the radical of formula II ##STR2## and salts of the compound, wherein R.sup.1 is the radical of formula II. These compounds can be obtained by means of a novel microbiological process and used for the therapeutic treatment of tumors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.