antibiotic/sarcoma

BACKGROUND OF THE INVENTION (1) Field of the Invention This invention relates to a new anthracycline antibiotic complex and to its production and recovery. (2) Description of the prior art A number of anthracycline glycosides have been described in the literature. Among them, daunomycin and

BACKGROUND OF THE INVENTION (1) Field of the Invention This invention relates to a new anthracycline antibiotic complex and to its production and recovery. (2) Description of the prior art A number of anthracycline glycosides have been described in the literature. Among them, daunomycin and

BACKGROUND OF INVENTION Alazopeptin i.e. L-alanyl-(6-diazo-5-oxo)-L-norleucyl-(6-diazo-5-oxo)-L-norleucine is a known antibiotic having an inhibitory activity against animal tumors such as leukemia L-1210, Sarcoma-180 and Hela cells, and can be produced by fermentation of a microorganism belonging

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a new antitumor antibiotic substance and to its production. More particularly, it relates to a new antitumor antibiotic substance designated macracidmycin and to processes for the preparation thereof by the fermentation

BACKGROUND OF THE INVENTION It is well known that various microbial species of the genus Streptomyces are capable of producing antibiotics upon cultivation in a nutrient medium containing assimilable carbon and nitrogen sources. This invention relates to a novel antibiotic, designated an SF-1942

DETAILED EXPLANATION OF INVENTION This invention relates to novel antitumor antibiotic awamycin and its production. More particularly, the present invention pertains the novel antibiotic awamycin which is produced by culturing antibiotic awamycin producing microorganism belonging to genus

This invention relates to a novel antitumor antibiotic 81-484 and to a process for the production thereof. More particularly the present invention pertains to antibiotic 81-484 which is produced by culturing an antibiotic-81-484-producing microorganism belonging to genus Streptomyces, having no

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to new anthracycline glycoside antitumor antibiotics, to processes for their preparation and to pharmaceutical compositions containing them. More, particularly, it relates to new antitumor antibiotics designated MA

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to new anthracycline glycoside antitumor antibiotics, to processes for their preparation and to pharmaceutical compositions containing them. More, particularly, it relates to new antitumor antibiotics designated MA

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to new anthracycline glycoside antitumor antibiotics, to processes for their preparation and to pharmaceutical compositions containing them. More, particularly, it relates to new antitumor antibiotics designated MA

CROSS REFERENCE TO RELATED APPLICATIONS This application is related to and incorporates by reference the contents of copending applications Ser. Nos. 560,104 and 560,105, filed respectively on Mar. 19, 1975 and Mar. 19, 1975 and entitled DAUNOMYCINS, PROCESS FOR THEIR PREPARATION AND USES THEREOF

REFERENCE TO RELATED APPLICATIONS The present application is the national stage under 35 U.S.C. 371 of international application PCT/IL99/00704, filed Dec. 28, 1999 which designated the United States, and which international application was published under PCT Article 21 (2) in the English