Antibiotics TAN-1057
US4971965A · kind A · utility
10Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1989 |
| Grant date | Nov 20, 1990 |
| Priority date | — |
| Expiry date | Apr 28, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P13/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel antibiotics TAN-1057 represented by the formula: ##STR1## wherein, the absolute configuration at (A) is R or S; R.sub.1 is hydrogen and both R.sub.2 and R.sub.3 taken together form a chemical bond, or R.sub.3 is hydrogen and both R.sub.1 and R.sub.2 taken together form a chemical bond; were produced by microorganisms belonging to the genus Flexibacter. TAN-1057 strongly inhibit the growth of pathogenic microorganisms and malignant tumors, thus being useful as therapeutic agents of infectious diseases or antitumor agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.