Anthracycline glycosides, their preparation, use and compositions thereof
US4322412A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1980 |
| Grant date | Mar 30, 1982 |
| Priority date | — |
| Expiry date | Jul 14, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There are disclosed compounds which exhibit anti-tumor activity. These compounds are of the formula I: ##STR1## wherein R.sub.1 is hydrogen, hydroxy or methoxy, R.sub.2 is hydrogen or hydroxy, and each of R.sub.3 and R.sub.4 independently is hydrogen or methyl, with the proviso that R.sub.3 and R.sub.4 are not simultaneously hydrogen, and pharmaceutically acceptable acid addition salts thereof. Also disclosed are processes for producing and using said compounds and therapeutic compositions containing same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.