申请人:Hoffmann-La Roche Inc.
公开号:US04956470A1
公开(公告)日:1990-09-11
The imidazolium compounds of the formula ##STR1## wherein Q is arylene or heteroarylene, the group --NR.sup.1 R.sup.2 is a basic amino group, R.sup.3 is lower alkylthio, lower alkoxy or the group --(A).sub.n --Ra, R.sup.4 is a saturated or partially unsaturated lower hydrocarbon group, a basic amino group, --N.dbd.CRc--Rb, --CHRcRd, --NH--CHRcRd, --NH--CO--Re or --CHRc--CO--Re, R.sup.5 is hydrogen, lower alkyl, lower hydroxyalkyl, lower alkoxyalkyl, lower haloalkyl, aryl or a fused benzene ring, R.sup.6 is hydrogen or lower alkyl, Ra and Rb independently are aryl, heteroaryl or a basic amino group, Rc is hydrogen or lower alkyl, Rd is aryl or heteroaryl, Re is hydrogen, a saturated or partially unsaturated lower hydrocarbon group optionally attached via an oxygen atom, or an aryl, heteroaryl or basic amino group optionally attached via a lower alkyl group, A is vinylene or lower alkylene, n is the integer 0 or 1, the dotted line is an additional double bond and the symbol Y.sup.- is a pharmaceutically acceptable anion, and their pharmaceutically acceptable acid addition salts, which possess valuable pharmacological properties are described. In particular, they possess antibacterial, antimycotic, protozoacidal and/or anthelmintic properties and are especially active against parasitic protozoa and worms. The compounds of formula I can be prepared according to known methods.
本文描述了式为##STR1##的咪唑化合物,其中Q为芳基或杂芳基,--NR.sup.1 R.sup.2为碱性氨基,R.sup.3为较低的烷基硫醚,较低的烷氧基或--(A).sub.n --Ra,R.sup.4为饱和或部分不饱和的较低碳氢基团,碱性氨基,--N.dbd.CRc--Rb,--CHRcRd,--NH--CHRcRd,--NH--CO--Re或--CHRc--CO--Re,R.sup.5为氢,较低的烷基,较低的羟基烷基,较低的烷氧基烷基,较低的卤代烷基,芳基或融合苯环,R.sup.6为氢或较低的烷基,Ra和Rb分别为芳基,杂芳基或碱性氨基,Rc为氢或较低的烷基,Rd为芳基或杂芳基,Re为氢,饱和或部分不饱和的较低碳氢基团,可选通过氧原子连接,或芳基,杂芳基或碱性氨基可选通过较低的烷基连接,A为乙烯基或较低的烷基烯,n为整数0或1,点线为额外的双键,符号Y.sup.-为药学上可接受的阴离子,以及它们的药学上可接受的酸加盐,具有有价值的药理学特性。特别是,它们具有抗菌,抗真菌,抗原虫和/或驱虫特性,特别是对寄生原虫和蠕虫特别活跃。式I的化合物可以按照已知方法制备。