申请人:——
公开号:US20020002182A1
公开(公告)日:2002-01-03
The present invention is to provide an antimicrobial agent having high safety as well as potent antimicrobial activity on broad range of microorganisms.
A compound represented by the following formula, its salt and their hydrates:
1
wherein R
1
and R
2
each independently represents a hydrogen atom or an alkyl group; n represents an integer of 1 to 3; R
3
represents an alkyl group, an alkenyl group, a halogenoalkyl group, a cycloalkyl group, an aryl group, a heteroaryl group, an alkoxyl group or an alkylamino group; R
4
represents a hydrogen atom or an alkylthio group; R
5
represents a hydrogen atom, an amino group, a hydroxyl group, a thiol group, a halogenomethyl group, an alkyl group, an alkenyl group, an alkynyl group or an alkoxyl group; X
1
represents a halogen atom or a hydrogen atom; and A represents a nitrogen atom or a partial structure represented by formula (II):
2
wherein X
2
represents a hydrogen atom, an amino group, a halogen atom, a cyano group, a halogenomethyl group, a halogenomethoxyl group, an alkyl group, an alkenyl group, an alkynyl group or an alkoxyl group; and Y represents a hydrogen atom, a phenyl group, an acetoxymethyl group, a pivaloyloxymethyl group, an ethoxycarbonyl group, a choline group, a dimethylaminoethyl group, a 5-indanyl group, a phthalidinyl group, a 5-alkyl-2-oxo-1,3-dioxol-4-ylmethyl group, a 3-acetoxy-2-oxobutyl group, an alkyl, an alkoxymethyl group or a phenylalkyl group.
本发明提供一种具有高安全性和广谱微生物抗菌活性的抗菌剂。该化合物由以下式子表示,其盐和水合物:1其中R1和R2各自独立表示氢原子或烷基;n表示1至3的整数;R3表示烷基,烯基,卤代烷基,环烷基,芳基,杂环芳基,烷氧基或烷基氨基;R4表示氢原子或烷硫基;R5表示氢原子,氨基,羟基,硫醇基,卤代甲基基,烷基,烯基,炔基或烷氧基;X1表示卤原子或氢原子;A表示氮原子或由式(II)表示的部分结构:2其中X2表示氢原子,氨基,卤原子,氰基,卤代甲基基,卤代甲氧基基,烷基,烯基,炔基或烷氧基;Y表示氢原子,苯基,乙酰氧甲基基,壳聚糖氧甲基基,乙氧羰基基,胆碱基,二甲氨基乙基基,5-茚基基,邻二甲酰基基,5-烷基-2-氧代-1,3-二氧杂环戊四烯-4-基甲基基,3-乙酰氧基-2-氧代丁基基,烷基,烷氧甲基基或苯基烷基基。