Bioxanthracene derivatives
US5081264A · kind A · utility
6Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1990 |
| Grant date | Jan 14, 1992 |
| Priority date | — |
| Expiry date | Sep 18, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D311/92
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A compound of formula (I): ##STR1## wherein R.sub.1 represents hydrogen, hydroxy or acetoxy and R.sub.2 represents hydroxy or acetoxy. The compounds are capable of protecting the nerve cells and also antagonistic activity against N-methyl-D-aspartic acid receptors. They may be prepared by fermentation of a microorganism of the genus Verticillium or a mutant thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.