Camptothecin derivatives and process for their preparation
US5602141A · kind A · utility
13Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 1995 |
| Grant date | Feb 11, 1997 |
| Priority date | — |
| Expiry date | Feb 15, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to new camptothecin derivatives of the formula (I) ##STR1## wherein B is a group B' or B" ##STR2## wherein each of (x) and (y) is a single or double bond. The present invention also provides processes for their preparation as well as pharmaceutical compositions containing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.