Alkynyl-substituted camptothecins and process for their preparation
US6211192A · kind A · utility
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9Claims
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Assignee
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Key dates
| Filing date | Aug 12, 1999 |
| Grant date | Apr 3, 2001 |
| Priority date | — |
| Expiry date | Aug 12, 2019 |
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, R.sub.1, R.sub.2 are as defined herein, and the pharmaceutically salts thereof. These compounds are useful in therapy as antitumor agents. ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.