发明授权
US06632946B2 Tetracyclic analogues of camptothecins, their preparation processes, their use as medicaments and the pharmaceutical compositions containing them 失效
喜树碱的四环类似物,其制备方法,它们作为药物的用途以及含有他们的药物组合物

Tetracyclic analogues of camptothecins, their preparation processes, their use as medicaments and the pharmaceutical compositions containing them
摘要:
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.
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