Antitumoral analogs of et-743
US7247629B2 · kind B2 · utility
16Cited by
13References
92Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2001 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | May 15, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D497/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Antitumour compounds have the five membered fused ring ecteinascidin structure of the formula (XIV). The present compounds lack a 1,4-bridging group as found in the ecteinascidins. They have at the C-1 position a substituent selected from an optionally protected or derivatised aminomethylene group or an optionally protected or derivatised hydroxymethylene group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.