Water-soluble esters of camptothecin compounds
US5646159A · kind A · utility
33Cited by
22References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1994 |
| Grant date | Jul 8, 1997 |
| Priority date | — |
| Expiry date | Jul 20, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Non-toxic camptothecin prodrugs are prepared by esterifying the 20-position hydroxyl group of camptothecin derivatives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.