Ascofuranone is a potent inhibitor of trypanosome alternative oxidase. A short and efficient total synthesis of (±)-ascofuranone was accomplished in only seven steps starting with geranyl acetate. ...
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.
NOVEL DIHYDROXYBENZENE DERIVATIVES AND ANTIPROTOZOAL AGENT COMPRISING SAME AS ACTIVE INGREDIENT
申请人:aRigen Pharmaceuticals, Inc.
公开号:EP2636663A1
公开(公告)日:2013-09-11
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; R1 represents a hydrogen atom; R2 represents a hydrogen atom or a C1-7 alkyl group; R3 represents -CHO, -C(=O)R5, -COOR5 (wherein R5 represents a C1-7 alkyl group), -CH2OH or -COOH; and R4 represents a C1-16 alkyl group having one or more substituents on a terminal carbon atom and/or non-terminal carbon atom(s), a C2-16 alkenyl group having one or more substituents on a terminal carbon atom and/or non-terminal carbon atom(s), or a C2-16 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.