Anthracycline derivatives having cytostatic activity
US4948880A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1987 |
| Grant date | Aug 14, 1990 |
| Priority date | — |
| Expiry date | Dec 4, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to new anthracycline derivatives having cytostatic activity and the general formula I, which are optionally in the form of a salt of an inorganic or organic acid, ##STR1## in which the substituents have the following meaning: R.sup.1 is hydrogen or a hydroxyl group, PA0 R.sup.2 is hydrogen or a hydroxyl or a methoxy group, PA0 R.sup.3 is hydrogen or a hydroxyl group, PA0 R.sup.4 is hydrogen or a hydroxyl group, PA0 R.sup.5 is hydrogen, a hydroxyl or a methoxycarbonyl group, or a substituent of the general formula II, ##STR2## in which R.sup.8a has the meaning indicated for R.sup.8, or a substituent of the formula III, ##STR3## R.sup.6 is ethyl, methylcarbonyl, hydroxymethylcarbonyl, hydroxyalkyl or a dihydroxyalkyl, PA0 R.sup.7 is hydrogen or a substituent of the general formula IV, ##STR4## and R.sup.8 is hydrogen or a cyanomethyl group or a substituent of the general formula COR.sup.9 or CH.sub.2 R.sup.10, R.sup.9 being hydrogen, CH.sub.3, CF.sub.3 or CCl.sub.3, and R.sup.10 being C.sub.1 - to C.sub.8 -alkyl, substituted alkyl, phenyl or substituted phenyl, to a process for their preparation and to their use in pharmaceuticals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.