The invention provides biphenyl derivatives of formula 1: wherein R1, R2, R3, R4, R5, R6, R7, W, a, b and c are as defined in the specification, or a pharmaceutically acceptable salt or solvate or stereoisomer thereof. The biphenyl derivatives of this invention possess both β2 adrenergic receptor agonist and muscarinic receptor antagonist activity and therefore, such biphenyl derivatives are useful for treating pulmonary disorders, such as chronic obstructive pulmonary disease and asthma.
本发明提供了式 1 的
联苯衍
生物:其中 R1、R2、R3、R4、R5、R6、R7、W、a、b 和 c 如说明书中所定义,或其药学上可接受的盐或溶液或立体异构体。本发明的
联苯衍
生物同时具有β2
肾上腺素能受体激动剂和毒蕈碱受体拮抗剂活性,因此,这种
联苯衍
生物可用于治疗肺部疾病,如慢性阻塞性肺病和哮喘。