Nitrogen-based camptothecin derivatives
US6825207B2 · kind B2 · utility
1Cited by
6References
158Claims
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Key dates
| Filing date | May 23, 2002 |
| Grant date | Nov 30, 2004 |
| Priority date | — |
| Expiry date | May 23, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
(20S) esters of camptothecin analogs are provided. The compounds are (20S) esters of an aminoalkanoic acid or an imidoalkanoic acid and camptothecin, which is optionally substituted at the 7, 9, 10, 11, and 12 positions of the camptothecin ring. The compounds are useful for treating cancer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.