Verfahren zur Herstellung neuer Rifamycin-Derivaten

摘要

3-R-25-desacetylrifamycin S (I) and salts thereof 3-R-25-desacetylrifamycin SV (II) and salts thereof where R = opt. subst. NH2, -CH=NR1, or CH2R2 and R1 = H or a suitable substit. and R2 = opt. substd. NH2, opt. subst. NHNH2 or opt. subst. NHOH. a) Anti-tubercular (at 0.003 mu g/ml) and anti-Staphylococcal (at 0.015 mu g/ml.) b) Disinfectants and preservatives.