Ethanolamine derivates, processes for their preparation and pharmaceutical compositions containing them
申请人:GLAXO GROUP LIMITED
公开号:EP0286242A2
公开(公告)日:1988-10-12
This invention relates to compounds of the general formula (I)
and physiologically acceptable salts and solvates thereof where Ar represents
where
R3 is a bond or a straight or branched C1 2alkylene group,
R4 is a hydroxy group or a group R5NH-where
R5 represents a group CH3SO2-, HCO-or NH2CO-,
where R6 is a chlorine atom or the group F3C-,
k represents an integer from 1 to 8,
m represents zero or an integer from 2 to 7 and
n represents an integer from 2 to 7 with the proviso that the sum total of k. m and n is 4 to 12;
R1 and R2 each represents a hydrogen atom or a methyl or ethyl group with the proviso that the sum total of carbon atoms in R1 and R2 is not more than 2;
R30 represents hydrogen or C12alkyl;
X represents an oxygen or sulphur atom: and
Y and Q may each represent a bond or an oxygen or sulphur atom with the provisos that at least one of Y and Q represents an oxygen or sulphur atom and when Y is a bond m is zero, or when Y represents an oxygen or sulphur atom m is an integer from 2 to 7:
P represents a phenyl group otionally substituted by one or more substituents selected from halogen atoms, or the groups C1 3alkyl, C1 3alkoxy, hydroxy, -CH2OH-, -(CH2)2OH, -CO2H. -CO2CH3, ·CO2(CH2)-2CH3, -R7, COR7, -NHCORs and ·NR9SO2R10; where
R7 represents an amino, aminoC1 3alkyl, aminoC, 3dialkyl, pyrrolidino. piperidino. hexamethyleneimino, piperazino, N-methylpiperazino or morpholino group;
R8 represents a hydrogen atom or a C, 4alkyl, C, 4alkoxy, phenyl or amino group;
R9 represents a hydrogen atom or a methyl group;
R10 represents a methyl, phenyl, amino or dimethylamino group;
or P represents a pyridyl group optionally substituted by one or two substitutents selected from halogen atoms or hydroxy, C, 3alkyl and C1 3alkoxy groups.
The compounds have a stimulant action at β2-adrenoreceptors and are useful, in particular, in the treatment of diseases associated with reversible airways obstruction such as asthma and chronic bronchitis.
本发明涉及通式 (I) 的化合物
及其生理上可接受的盐和溶剂 其中 Ar 代表
其中
R3 是键或直链或支链 C1 2 烯基、
R4 是羟基或基团 R5NH,其中
R5 代表基团 CH3SO2-、HCO-或 NH2CO-、
其中 R6 是氯原子或基团 F3C-、
k 代表 1 至 8 的整数、
m 代表零或 2 至 7 的整数,以及
n 代表 2 至 7 的整数,但 k、m 和 n 的总和为 4 至 12;
R1 和 R2 各自代表氢原子或甲基或乙基,但 R1 和 R2 中的碳原子总数不超过 2 个;
R30 代表氢或 C12 烷基;
X 代表氧原子或硫原子
Y 和 Q 可各自代表键或氧原子或硫原子,但条件是 Y 和 Q 中至少有一个代表氧原子或硫原子,当 Y 为键时,m 为零,或当 Y 代表氧原子或硫原子时,m 为 2 至 7 的整数:
P 代表可被一个或多个取代基取代的苯基,取代基可选自卤素原子或 C1 3 烷基、C1 3 烷氧基、羟基、-CH2OH-、-(CH2)2OH、-CO2H.-CO2CH3、-CO2(CH2)-2CH3、-R7、COR7、-NHCORs 和 -NR9SO2R10;其中
R7 代表氨基、氨基 C1 3 烷基、氨基 C、3 二烷基、吡咯烷基、哌啶基、六亚甲基亚氨基、哌嗪基、N-甲基哌嗪基或吗啉基;
R8 代表氢原子或 C,4-烷基、C,4-烷氧基、苯基或氨基;
R9 代表氢原子或甲基
R10 代表甲基、苯基、氨基或二甲基氨基;
或 P 代表吡啶基,可任选被一个或两个选自卤素原子或羟基、C, 3 烷基和 C1 3 烷氧基的取代基取代。
这些化合物对 β2-肾上腺素受体有刺激作用,尤其适用于治疗与可逆性气道阻塞有关的疾病,如哮喘和慢性支气管炎。