An arylamidine derivative represented by a general formula described below or a salt thereof has an excellent antifungal action and high safety, and it is useful as an antifungal agent with good pharmacokinetics and pharmacodynamic properties:
wherein X represents an unsubstituted or substituted lower alkylene or alkenylene group; G1 represents an oxygen atom, a sulfur atom, or an imino group; G2 represents a carbon atom or a nitrogen atom; Ra represents at least one group selected from the group consisting of a hydrogen atom, a halogen atom, and unsubstituted or substituted alkyl, cycloalkyl and alkoxy groups; R1 represents an unprotected or protected or unsubstituted or substituted amidino group; and R2 represents a substituted amino or substituted cyclic amino group, or the like.
由下述通式代表的芳基脒衍
生物或其盐具有优异的抗真菌作用和较高的安全性,可用作具有良好药代动力学和药效学特性的抗真菌剂:
其中 X 代表未取代或取代的低级亚烷基或烯基;G1 代表氧原子、
硫原子或亚
氨基;G2 代表碳原子或氮原子;Ra 代表至少一个选自氢原子、卤素原子和未取代或取代的烷基、环烷基和烷氧基的基团;R1 代表未保护或保护的或未取代或取代的脒基;R2 代表取代的
氨基或取代的环
氨基或类似基团。