Indolo[2,3-b]quinoxaline derivatives
US5597921A · kind A · utility
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Key dates
| Filing date | Oct 16, 1995 |
| Grant date | Jan 28, 1997 |
| Priority date | — |
| Expiry date | Oct 16, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Indolo[2,3-b]quinoxaline derivatives represented by the following formula: ##STR1## wherein one of R.sup.1 and R.sup.2 is a hydrogen atom and the other is a group of the formula: EQU --CH.sub.2 NHCCH.sub.3 (CH.sub.2 OH).sub.2, etc, and R.sup.3 is a hydrogen atom, a methyl group, etc.; and pharmaceutically acceptable salts thereof have an antitumor activity and are useful as medicines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.