Nitrogen-based homo-camptothecin derivatives
US6933302B2 · kind B2 · utility
4Cited by
17References
50Claims
0Family size
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Key dates
| Filing date | Jun 3, 2003 |
| Grant date | Aug 23, 2005 |
| Priority date | — |
| Expiry date | Jun 3, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D491/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
(20) esters of camptothecin analogs are provided. The compounds are (20) esters of an aminoalkanoic acid or an imidoalkanoic acid and homocamptothecin, which is optionally substituted at the 7, 9, 10, 11, and 12 positions of the homocamptothecin ring. The compounds are useful for treating cancer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.