Substituted piperazinyliminorifamycins having the following structural formula: ##STR1## wherein Me represents a methyl group and Z represents alkenyl of 3 to 5 carbon atoms, alkynyl of 3 to 5 carbon atoms, 5- or 7-membered cycloalkenyl, cycloalkyl-(C.sub.1 -C.sub.2) alkyl wherein the cycloalkyl moiety is a 3- or 7-membered ring or cycloalkenyl-(C.sub.1 -C.sub.2)alkyl wherein the cycloalkenyl moiety is a 5- or 7-membered ring. The compounds have a broad spectrum antibacterial utility accompanied by a low toxicity.
具有以下结构式的替代
哌嗪基
呋喃霉素:其中Me代表一个甲基基团,Z代表3至5个碳原子的烯基,3至5个碳原子的炔基,5-或7-成员环的环烯基,环烷基-(C.sub.1-C.sub.2)烷基,其中环烷基基团是3-或7-成员环,或环烯基-(C.sub.1-C.sub.2)烷基,其中环烯基基团是5-或7-成员环。这些化合物具有广谱抗菌作用,并伴随低毒性。