Process for making camptothecin derivatives
US6723849B1 · kind B1 · utility
1Cited by
1References
9Claims
0Family size
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Key dates
| Filing date | Jul 25, 2003 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Jul 25, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D491/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for synthesizing highly lipophilic derivatives of camptothecin. The process includes reacting dissolved, underivatized camptothecin with an aldehyde in a modified Minisci-type alkylation reaction to produce 7-substituted derivatives of camptothecin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.