FORTIMICIN B DERIVATIVES AND PROCESS FOR PRODUCTION THEREOF

摘要

This invention provides 4-N-acylfortimicin B derivatives of the structure wherein R is acyl, aminoacyl, N-monoloweralkylaminoacyl, N,N-diloweralkylaminoacyl, hydroxy-substituted aminoacyl, or substituted aminoacyl of the formula where R1 is an acyl radical derived from an amino acid or a short peptide, and the pharmaceutically acceptable salts thereof.