Group of antitumor compounds and method for producing the same
US5843755A · kind A · utility
1Cited by
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10Claims
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Key dates
| Filing date | Jun 10, 1997 |
| Grant date | Dec 1, 1998 |
| Priority date | — |
| Expiry date | Jun 10, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A mold belonging to the genus Ascochyta is cultivated with a medium to obtain a culture. A compound having a structure represented by the following formula and having an antitumor activity, which is capable of forming a tautomeric equilibrium mixture composed of tautomers, is collected from the culture, or a mixture of the tautomers is collected from the culture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.