Therapeutic agent for treating respiratory diseases containing 4-hydroxypiperidine derivative as active ingredient
申请人:Akada Yasushige
公开号:US20060040985A1
公开(公告)日:2006-02-23
An agent for preventing/treating respiratory diseases contains, as an active ingredient, a compound represented by following Formula (I):
wherein A is a group represented by L-W [wherein L is a bond or CH
2
; and W is O, SOn (wherein n is 0 to 2), or —NR
7
— (wherein R
7
is hydrogen or lower alkyl)]; each of G
1
and G
2
is (CH
2
)r (wherein r is 0 to 2), provided that when n is 1, G
1
and G
2
may be bridged by lower alkylene; Y is a lower alkylene or (substituted) benzylidene; Z is a bond or O, provided that when Z is a bond, Y may form a 5- or 6-membered ring with carbon on the benzene ring; R
1
is, for example, NO
2
, a lower alkoxycarbonyl, (substituted) carbamoyl, (protected) hydroxyl group, (protected) carboxyl, or (protected) N-hydroxycarbamoyl; each of R
2
and R
3
is hydrogen, halogen, (halogenated) lower alkyl, (halogenated) lower alkoxy or NO
2
; each of R
4
and R
5
is, for example, hydrogen, halogen, (halogenated) lower alkyl, (halogenated) lower alkoxy, CN, or lower alkylsulfonyl; and R
6
is hydrogen or lower alkyl, a salt thereof or a solvate of them. It has excellent antitussive activity when used as an agent for preventing/treating respiratory diseases such as lung cancer, common cold syndrome, pulmonary tuberculosis, pneumonia, acute bronchitis or chronic bronchitis.
一种用于预防/治疗呼吸系统疾病的药剂,其活性成分为以下式(I)所表示的化合物:其中A是由L-W表示的基团[其中L是键或CH2; W是O,SO n(其中n为0至2),或—NR7—(其中R7是氢或较低烷基)];G1和G2分别为(CH2)r(其中r为0至2),但当n为1时,G1和G2可以由较低的烷基桥接;Y是较低的烷基或(取代的)苯甲亚基;Z是键或O,但当Z为键时,Y可以与苯环上的碳形成5-或6-成员环;R1为NO2、较低的烷氧羰基、(取代的)氨基甲酰基、(保护的)羟基、(保护的)羧基或(保护的)N-羟基氨基甲酰基;R2和R3分别为氢、卤素、(卤代的)较低烷基、(卤代的)较低烷氧基或NO2;R4和R5分别为氢、卤素、(卤代的)较低烷基、(卤代的)较低烷氧基、CN或较低烷基磺酰基;R6为氢或较低烷基,其盐或溶剂也可以使用。当用作预防/治疗肺癌、普通感冒综合症、肺结核、肺炎、急性支气管炎或慢性支气管炎等呼吸系统疾病的药剂时,具有优异的止咳活性。