Derivatives of variolin B
US7329666B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2001 |
| Grant date | Feb 12, 2008 |
| Priority date | — |
| Expiry date | Aug 3, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides antitumour compounds of formula (I), wherein R1 is an aromatic substituent; R2 is hydrogen or a substituent when the dotted line is absent, or R2 is absent when the dotted line represents a bond to give a double bond between the nitrogen which bears R2 and the carbon which bears R3; R3 is an oxo group ═O when the dotted line is absent or is a substituent when the dotted line represents a bond to give a double bond between the nitrogen bearing R2 and the carbon bearing R3; R4 is hydrogen or a substituent; and pharmaceutically acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.