Intermediates for the synthesis of anthrapyrazolone anticancer agents
US5393886A · kind A · utility
1Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1993 |
| Grant date | Feb 28, 1995 |
| Priority date | — |
| Expiry date | Oct 25, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D231/54
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to compounds, including 5-chloro-2-[2-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-7-[2,4,6-trimethylphen yl)methoxy]anthra[1,9-cd]pyrazol-6(2H)-one and analogs thereof, which are useful as intermediates for the synthesis of anthrapyrazolone anticancer agents, including losoxantrone. This invention also relates to methods for the synthesis of anthrapyrazolone anticancer agents, including losoxantrone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.