Alkynyl-substituted camptothecins and process for their preparation
US6420379B1 · kind B1 · utility
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9References
18Claims
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Key dates
| Filing date | Nov 20, 2000 |
| Grant date | Jul 16, 2002 |
| Priority date | — |
| Expiry date | Nov 20, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to alkynyl-substituted camptothecins of formula (I) wherein X, R1, R2 are as defined herein, and the pharmaceutically salts thereof. These compounds are useful in therapy as antitumor agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.