Novel Dihydroxybenzene Derivatives and Antiprotozoal Agent Comprising Same as Active Ingredient
申请人:Saimoto Hiroyuki
公开号:US20130296422A1
公开(公告)日:2013-11-07
Novel compounds below are useful for preventing or treating diseases caused by protozoans. At least one of a compound represented by Formula (I)
(wherein, X represents a hydrogen atom or a halogen atom; R
1
represents a hydrogen atom; R
2
represents a hydrogen atom or a C
1-7
alkyl group; R
3
represents —CHO, —C(═O)R
5
, —COOR
5
(wherein R
5
represents a C
1-7
alkyl group), —CH
2
OH or —COOH; and R
4
represents a C
1-16
alkyl group having one or more substituents on a terminal carbon atom and/or non-terminal carbon atom(s), a C
2-16
alkenyl group having one or more substituents on a terminal carbon atom and/or non-terminal carbon atom(s), or a C
2-16
alkynyl group having one or more substituents on a terminal carbon atom and/or non-terminal carbon atom(s)), an optical isomer thereof, and a pharmaceutically acceptable salt is used.
以下新化合物对于预防或治疗由原虫引起的疾病是有用的。其中至少一种由公式(I)表示的化合物(其中,X表示氢原子或卤素原子;R1表示氢原子;R2表示氢原子或C1-7烷基;R3表示—CHO,—C(═O)R5,—COOR5(其中R5表示C1-7烷基),—CH2OH或—COOH;R4表示具有一个或多个取代基的C1-16烷基,在末端碳原子和/或非末端碳原子上,具有一个或多个取代基的C2-16烯基,或者具有一个或多个取代基的C2-16炔基),其光学异构体和药学上可接受的盐被使用。