NOVEL ANTIBIOTIC N-ACETYL BENANOMICIN B AND PRODUCTION THEREOF

摘要

NEW MATERIAL:A compound expressed by formula I, salt thereof and ester thereof. Furthermore, these compounds have the following physicochemical properties: color and figure, red-brown powder; elementary analysis (as C41H44N2 O19.2H2O) (%), C 54.05, H 5.43, N 2.86; mass spectrum (SIMS), m/Z 868 (M+); melting point, 200 deg.C; solubility, slightly soluble in chloroform, ethyl acetate and acetone and soluble in alkali water, methanol, dimethylsulfoxide and DMF; weekly acidic substance, etc. USE:An antifungal agent and antiviral agent. PREPARATION:An amino group of antibiotic benanomicin expressed by formula II is chemically acetylated.