申请人:SS Pharmaceutical Co., Ltd.
公开号:US04977275A1
公开(公告)日:1990-12-11
A pyrrole derivative having excellent anti-microbial activities is disclosed. This compound is represented by the following formula (I): ##STR1## wherein X.sub.1 and X.sub.2 are the same or different and mean individually a halogen atom, R.sub.1 denotes an alkyl, cycloalkyl, haloalkyl, alkenyl, substituted or unsubstituted phenyl, substituted or unsubstituted aralkyl group or a group --COR.sub.3 in which R.sub.3 is an alkyl group having at least five carbon atoms or a cycloalkyl, haloalkyl, alkenyl, substituted or unsubstituted phenyl, substituted or unsubstituted aralkyl, or heterocyclic group, and R.sub.2 stands for a hydrogen or halogen atom or an alkyl group, with a proviso that R.sub.1 is other than a hydrogen atom or methyl group when X.sub.1, X.sub.2 and R.sub.2 are each a bromine atom.
披萨罗衍生物具有优异的抗微生物活性。该化合物的化学式如下(I):##STR1##其中X1和X2是相同或不同的,分别表示卤素原子,R1表示烷基,环烷基,卤代烷基,烯基,取代或未取代的苯基,取代或未取代的芳基烷基,或基团--COR3,其中R3是具有至少五个碳原子的烷基或环烷基,卤代烷基,烯基,取代或未取代的苯基,取代或未取代的芳基烷基或杂环基,而R2代表氢或卤素原子或烷基,但前提是当X1,X2和R2分别是溴原子时,R1不是氢原子或甲基基团。