Tetracyclic analogues of camptothecins, their preparation processes, their use as medicaments and the pharmaceutical compositions containing them
US6632946B2 · kind B2 · utility
0Cited by
0References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2000 |
| Grant date | Oct 14, 2003 |
| Priority date | — |
| Expiry date | Dec 12, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to new tetracyclic analogues of camptothecin, their preparation processes, their use as medicaments and the pharmaceutical compositions containing them. Said analogues, which include in particular 3-hydroxy-3-(4-oxo-4,6-dihydroindolizino[1,2-b]quinoline-2-yl)pentanoic acid, have a powerful biological activity inhibiting topoisomerase I and/or topoisomerase II.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.