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; G
1
represents an oxygen atom, a sulfur atom, or an imino group; G
2
represents a carbon atom or a nitrogen atom; R
a
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; R
1
represents an unprotected or protected or unsubstituted or substituted amidino group; and R
2
represents a substituted amino or substituted cyclic amino group, or the like.
下面所述的一般式代表的芳基胺衍
生物或其盐具有优异的抗真菌作用和高安全性,是一种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较低烷基或
烯基基团;G1代表
氧原子、
硫原子或
亚胺基;G2代表
碳原子或
氮原子;Ra代表
氢原子、卤原子和未取代或取代的烷基、
环烷基和烷
氧基等基团中的至少一种;R1代表未保护或保护或未取代或取代的
酰胺基团;R2代表取代的
氨基或取代的环状
氨基等基团。