摘要:
A-KA-6643-series antibiotic comprising at least one substance represented by any of the following formulae, or a salt or ester thereof: ##STR1## is effectively useful as an antibacterial and .beta.-lactamase inhibiting agent.
摘要:
An antibiotic KA-6643-A or a salt thereof having the formula: ##STR1## is produced by a process comprising the step of hydrolyzing an antibiotic KA-6643-B of the formula: ##STR2##
摘要:
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.
摘要:
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.
摘要:
An antibiotic substance KA-7038 selected from the group consisting of the compounds having formulae I to VII described in claim 1, mixtures thereof and acid addition salts thereof; an antibiotic composition composed of (i) antibiotically effective amount of aforesaid antibiotic substance KA-7038, and (ii) a pharmaceutically acceptable diluent or carrier. The antibiotic substance KA-7038 can be produced by cultivating an antibiotic substance KA-7038-producing strain belonging to genus Streptomyces, for example Streptomyces sp. KC-7038, and isolating the antibiotic substance KA-7038 from the culture broth.
摘要:
An antibiotic substance KA-7038 selected from the group consisting of the compounds having formulae I to VII described in claim 1, mixtures thereof and acid addition salts thereof; an antibiotic composition composed of (i) antibiotically effective amount of aforesaid antibiotic substance KA-7038, and (ii) a pharmaceutically acceptable diluent or carrier. The antibiotic substance KA-7038 can be produced by cultivating an antibiotic substance KA-7038-producing strain belonging to genus Streptomyces, for example Streptomyces sp. KC-7038, and isolating the antibiotic substance KA-7038 from the culture broth.
摘要:
Novel azoxy compounds having antifungal activity and being useful for the treatment of mycoses, represented by the following formula ##STR1## are prepared by culturing a microorganism of Streptomyces sp. (KC-7367, FERM BP-1277) and separating the compounds from the culture broth.
摘要:
A novel 2-imino derivative of an antifungal product KA-7367A represented by formula, ##STR1## which has high antifungal activity and excellent stability and is useful as an antifungal agent for warm-blooded animals including humans and for agricultural and horticultural usages.
摘要:
A liquid crystal filling system comprising: a slit coating system, and a controller for precisely controlling the thickness of a liquid crystal layer provided by the slit coating system.