An antifungal agent of the formula: ##STR1## wherein R is phenyl group which may be substituted by 1 to 3 substituents each independently selected from halo and CF.sub.3 ; R.sup.1 is either (a) a phenyl group substituted by a group of the formula --N.dbd.CH--N(C.sub.1 -C.sub.4 alkyl).sub.2, ##STR2## or (b) a 5- or 6-membered aromatic heterocyclic group which may be benzo-fused and substituted by 1 or 2 substituents each independently selected from halo, C.sub.1 -C.sub.4 alkyl and halo-(C.sub.1 or C.sub.2 alkyl), said heterocyclic group being attached to the nitrogen atom of the piperazine ring by a carbon atom; and R.sup.2 is H or CH.sub.3 ; or an O-ester or O-ether thereof which is a C.sub.2 -C.sub.4 alkanoyl or benzoyl ester, or a C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, phenyl-(C.sub.1 -C.sub.4 alkyl) or phenyl ether, said phenyl and benzoyl groups of said O-esters and O-ethers may be substituted by one or two substituents each selected from C.sub.1 -C.sub.4 alkyl, halo and halo-(C.sub.1 or C.sub.2 alkyl); or a pharmaceutically acceptable salt thereof.
一种抗真菌剂的
化学式为:##STR1## 其中 R 是苯基,可以被1至3个取代基取代,每个取代基独立选择自卤素和CF.sub.3;R.sup.1 是 (a) 被一个
化学式为 --N.dbd.CH--N(C.sub.1 -C.sub.4 烷基).sub.2 取代的苯基,##STR2## 或 (b) 一个5-或6-成员芳香杂环基,可以是苯并的,并且可以被1或2个取代基取代,每个取代基独立选择自卤素、C.sub.1 -C.sub.4 烷基和卤代-(C.sub.1 或 C.sub.2 烷基),所述杂环基通过一个碳原子连接到
哌嗪环的氮原子上;R.sup.2 是 H 或 CH.sub.3;或其 O-酯或 O-醚,它是 C.sub.2 -C.sub.4 烷酰基或苯甲酰基酯,或 C.sub.1 -C.sub.4 烷基、C.sub.2 -C.sub.4 烯基、苯基-(C.sub.1 -C.sub.4 烷基)或苯醚,所述 O-酯和 O-醚的苯基和苯甲酰基基团可以被每个选择自 C.sub.1 -C.sub.4 烷基、卤素和卤代-(C.sub.1 或 C.sub.2 烷基)的一个或两个取代基取代;或其药用可接受的盐。