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US 4,870,165 AGranted
Antifungal antibiotics
AssigneeBristol-Myers Company
InventorsToshikazu Oki, Kyoichiro Saitoh, Kozo Tomatsu, Koji Tomita, Masataka Konishi, Takeo Miyaki, Mitsuaki Tsunakawa, Maki Nishio
Life of this patent
Estimating the term…
Abstract
Novel antibiotic herein designated as BU-3608, BU-3608 B, and BU-3608 C are produced by fermentation of Actinomadura hibisca Strain No. P157-2, ATCC 53557, and Strain No. Q278-4, ATCC 53646. The antibiotics possess antifungal and antiviral activities.
Claims6
An antibiotic having the formula ##STR9## wherein R.sup.1 is H and R.sup.2 is .beta.-D-xylosyl;
- or R.sup.1 is methyl and R.sup.2 is .beta.-D-xylosyl;
- or a base salt, acid addition salt or internal salt thereof, or ester of the carboxylic acid group.
The compound of claim 2 wherein said salt is the sodium salt.
Dependencies are inferred from the claim text.