Antibiotics of the KA-6606 series and pharmaceutical compositions thereof
AssigneeKowa Company, Ltd.
InventorsToshihito Mori, Takeo Deushi, Akio Iwasaki, Takafumi Kunieda, Toshimi Mizoguchi, Kazuhiro Kamiya, Masahito Nakayama, Hisakatsu Ito, Takeshi Oda
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Abstract
Novel antibiotics of the following structure ##STR1## wherein R represents a moiety selected from the group consisting of hydrogen, --COCH.sub.2 NH.sub.2, --COCH.sub.2 NHCONH.sub.2 and --COCH.sub.2 NHCHO; process for preparation thereof; and biologically pure culture for use therein.
Claims7
An antibiotic KA-6606 of the following structure ##STR7## where R represents a moiety selected from the group consisting of hydrogen, --COCH.sub.2 NH.sub.2, --COCH.sub.2 NHCONH.sub.2 and --COCH.sub.2 NHCHO;
- and its acid addition salts from acids selected from the group consisting of hydrochloric acid, sulfuric acid, hydrobromic acid, acetic acid and oxalic acid.
An antibiotic composition according comprising (1) an effective amount of at least one compound selected from the group consisting of antibiotics KA-6606 of the following structure ##STR8## wherein R represents a moiety selected from the group consisting of hydrogen, --COCH.sub.2 NH.sub.2, --COCH.sub.2 NHCONH.sub.2, and --COCH.sub.2 NHCHO,
- and pharmaceutically acceptable acid addition salts from acids selected from the group consisting of hydrochloric acid, sulfuric acid, hydrobromic acid, acetic acid and oxalic acid and (2) a pharmaceutically acceptable diluent or carrier.
Dependencies are inferred from the claim text.