This invention relates to compounds which exhibit selective muscarinic M
3
receptor antagonism, have little side effects, are suitable for inhalation therapy and are useful as treating agents of respiratory system diseases, of the general formula (I);
[in which A signifies a group expressed by a formula (a
0
) or (b
0
);
Ar signifies optionally substituted aryl or heteroaryl; B
1
and B
2
signify aliphatic hydrocarbon; R
1
signifies fluorine-substituted cycloalkyl; R
2
, R
3
and R
4
signify lower alkyl, single bond or alkylene bonded to B
1
, or R
2
and R
3
are united to signify alkylene; R
5
and R
7
signify hydrogen, lower alkyl, or a single bond or alkylene bonded to B
2
; R
6
signifies hydrogen, lower alkyl or a group expressed as —N(R
8
)R
9
; and X
−
signifies an anion].
本发明涉及具有选择性肌动蛋白M3受体拮抗作用、副作用小、适用于吸入治疗并且可用于呼吸系统疾病治疗的化合物,其通式为(I);[其中A表示由式(a0)或(b0)表示的基团;Ar表示可选取代的芳基或杂环芳基;B1和B2表示脂肪烃基;R1表示
氟代环烷基;R2、R3和R4表示低碳基、单键或与B1结合的烷基,或者R2和R3结合表示烷基;R5和R7表示氢、低碳基或与B2结合的单键或烷基;R6表示氢、低碳基或表示为—N(R8)R9的基团;X-表示阴离子]。