申请人:BOEHRINGER INGELHEIM ITALIA S.p.A.
公开号:EP0351385A2
公开(公告)日:1990-01-17
New pharmacologically active amidino and guanidino derivatives which are 5-HT3 receptor antagonists useful as antiemetic, gastric prokinetic and antimigrainic agents of the following general formula (I)
wherein
A is a group selected from substituted benzene
wherein R2 is H, C1-6 alkyl, C1-6 alkoxy optionally substituted by halogen, hydroxy, acetyl, or R2 is C1-6 alkeniloxy, C1-6 alkyniloxy, halogen, amino, C1-6alkylamino, nitro, sulphonylamino
n is 0-4 mono- or bicyclic heterocycle selected from
wherein R3 is H, halogen, C1-6 alkoxy R4 is H, C1-6 alkyl
X represents -O- or -NH-B is a group selected from
wherein m is 1, 2
p is 0, 1, 2
q is 0,1,2, 3
R5 is H, C1-6 alkyl
R represents H, C1-6 alkyl optionally substituted by halogen, NR6R7 in which R6 is H, C1-6 alkyl, N02, CN and R7 is H, C1-6 alkyl;
R1 represents H, C1-6 alkyl optionally substituted by halogen, CN, tautomers thereof, optical isomers thereof and acid addition salts thereof.
The processes for the preparation of the compounds of general formula (I) as well as pharmaceutical compositions containing them are also described.
具有药理活性的脒基和胍基新衍生物,它们是 5-HT3 受体拮抗剂,可用作以下通式 (I) 的止吐药、促胃动力药和抗脑震荡药
其中
A 是选自取代苯的基团
其中 R2 是 H、C1-6 烷基、任选被卤素、羟基、乙酰基取代的 C1-6 烷氧基,或 R2 是 C1-6 烯基苯氧基、C1-6 烷炔基苯氧基、卤素、氨基、C1-6 烷基氨基、硝基、磺酰氨基
n 是 0-4 个单环或双环杂环,选自
其中 R3 是 H、卤素、C1-6 烷氧基 R4 是 H、C1-6 烷基
X 代表-O-或-NH-B 是选自以下的基团
其中 m 是 1、2
p 是 0、1、2
q 是 0、1、2、3
R5 是 H、C1-6 烷基
R 代表 H、任选被卤素取代的 C1-6 烷基、NR6R7,其中 R6 是 H、C1-6 烷基、N02、CN,R7 是 H、C1-6 烷基;
R1 代表 H、任选被卤素取代的 C1-6 烷基、CN、其同素异形体、其光学异构体和其酸加成盐。
此外,还介绍了通式(I)化合物的制备工艺以及含有通式(I)化合物的药物组合物。