Document Type and Number:
Japanese Patent JPS4829158
Kind Code:
B1
Abstract:
An antibiotic WS-4545 and the acyl derivatives thereof, which are active against a pathogenic bacteria and useful as an effective antimicrobial agent in treatment of infectious diseases caused by bacteria, the antibiotic WS-4545 being produced by fermentation of Streptomyces sapporonensis ATCC 21532 and its mutants in a nutrient medium and the acyl derivatives of said antibiotic being prepared by acylating said antibiotic with an acylating agent.
Application Number:
JP8984070A
Publication Date:
September 07, 1973
Filing Date:
October 12, 1970
Export Citation:
International Classes:
A61K35/74; C07D498/08; C07H9/06; C12P1/06; C12R1/465; (IPC1-7): C07D87/54