Compounds of formula (I):
wherein
is a divalent or a trivalent, 5-membered heterocyclic group having a 6-π electron system, and containing from 1 to 4 heteroatoms, each selected from oxygen, nitrogen and sulphur;
R1 is a substituted C3-7 cycloalkyl group attached to a carbon or nitrogen of
and where appropriate, R2 is a group attached to a carbon or nitrogen of
and, when present, is selected from optionally substituted C1-20 alkyl, optionally substituted C3-7 cycloalkyl, optionally substituted C2-8 alkenyl, aryl, aralkyl, heterocyclyl and hydrogen;
and where the trisubstituted carbon-carbon double bond preferably has the E- configuration;
have anti-bacterial activity.
式(I)化合物:
其中
是二价或三价 5 元杂环基团,具有 6-π 电子系统,含有 1 至 4 个杂原子,每个杂原子选自氧、氮和
硫;
R1 是一个取代的 C3-7 环烷基,连接到下列物质的碳或氮上
的碳或氮相连的取代的 C3-7 环烷基;R2 是与 R3-7 环烷基的碳或氮相连的基团。
和(当存在时)选自任选取代的 C1-20 烷基、任选取代的 C3-7 环烷基、任选取代的 C2-8 烯基、芳基、芳烷基、杂环基和氢;
其中三取代碳碳双键最好具有 E-构型;
具有抗菌活性。