Phenethanolamine derivatives, processes for their preparation and pharmaceutical compositions containing them
申请人:GLAXO GROUP LIMITED
公开号:EP0401966A1
公开(公告)日:1990-12-12
The invention relates to compounds of the general formula (I)
and physiologically acceptable salts and solvates thereof;
wherein:
R¹ and R² each independently represent a hydrogen atom or a C₁₋₃alkyl group with the proviso that the sum total of carbon atoms in R¹ and R² is not more than 4;
X represents a direct bond or a C₁₋₇alkylene, C₂₋₇alkenylene or C₂₋₇alkynylene group and Y represents a direct bond or a C₁₋₆alkylene, C₂₋₆alkenylene or C₂₋₆alkynylene group with the proviso that the sum total of carbon atoms in X and Y is not more than 10;
W represents a group
wherein Z represents a group R³(CH₂)q where q is 0, 1 or 2 and R³ is a group R⁴CONH-, R⁴NHCONH-, R⁴R⁵NSO₂NH-, R⁶SO₂NH- or -OH;
R⁴ and R⁵ each represent a hydrogen atom or a C₁₋₃alkyl group;
R₆ represents a C₁₋₃alkyl group;
R⁷ represents a chlorine atom or the group -CF₃;
A represents a straight or branched C₁₋₆alkyl group, a C₃₋₈cycloalkyl group, either of which may be saturated or unsaturated, or a C₁₋₆alkoxy group, with the proviso that the sum total of carbon atoms in A and Y is not less than 5.
The invention also relates to processes for making the compounds of formula (I) and to pharmaceutical compositions containing them as active ingredient.
The compounds of formula (I) have a stimulant action at β₂-adrenoreceptors and are useful 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液;
其中
R¹ 和 R² 各自独立地代表氢原子或 C₁₋₃烷基,但 R¹ 和 R² 中的碳原子总数不超过 4;
X 代表直接键或 C₁₋₇烯烃、C₂₋₇ 烯烃或 C₂₋₇ 炔烃基团,Y 代表直接键或 C₁₋₆ 烯烃基团、C₂₋₆ 烯或 C₂₋₆ 炔基,但 X 和 Y 中的碳原子总数不超过 10;
W 代表一个基团
其中 Z 代表基团 R³(CH₂)q,其中 q 为 0、1 或 2,R³ 为基团 R⁴CONH-、R⁴NHCONH-、R⁴R⁵NSO₂NH-、R⁶SO₂NH- 或 -OH;
R⁴ 和 R⁵ 各自代表氢原子或 C₁₋₃ 烷基;
R₆ 代表 C₁₋₃ 烷基;
R⁷ 代表氯原子或基团 -CF₃;
A 代表直链或支链 C₁₋₆烷基、C₃₋₈环烷基(其中任一基团可以是饱和或不饱和的)或 C₁₋₆烷氧基,但 A 和 Y 中的碳原子总数不得少于 5。
本发明还涉及式(I)化合物的制造工艺以及含有这些化合物作为活性成分的药物组合物。
式(I)化合物对β₂-肾上腺素受体具有刺激作用,可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。