Camptothecin derivatives and improved synthetic methods
US7517891B2 · kind B2 · utility
1Cited by
1References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 26, 2006 |
| Grant date | Apr 14, 2009 |
| Priority date | — |
| Expiry date | Apr 3, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D491/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to compositions and methods for preparing pharmaceutical compositions. In some embodiments, the invention includes compounds and methods of resolving chiral compounds. In some embodiments, the invention includes chiral and crystalline compositions and hydrates. In some embodiments, the invention contemplates compositions comprising camptothecin derivatives and synthetic intermediates thereof. In some embodiments, the invention includes methods of protecting, inserting, modifying, separating isomers, and removing chemical groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.