NEW DERIVATIVES OF AN ANTIBIOTIC XK-62-2 AND PROCESS FOR THE PRODUCTION THEREOF

摘要

PURPOSE:Novel antibiactics derivatives of formula I (R1, R2 are H, Me, but not H at the same time;n = 1), for example, 6'-N, 3''-N-didemethyl-1-[L(-)-alpha-hydroxy-UPSILON-aminobutyryl]XK-62-2.