The invention relates to N-substituted indole-3-acetic acid derivatives of the general formula in which R
1
is optionally substituted benzothiazolyl, pyrimidin-4-yl, imidazol-2-yl, oxazol-2-yl or thiazol-2-yl, R
2
is hydrogen, halogen, C
1-6
alkyl or C
1-6
alkoxy and R
3
is hydrogen or C
1-6
alkyl (see further details in the description), and their use in the treatment of respiratory diseases such as asthma, rhinitis and chronic obstructive pulmanory disease (COPD), and other diseases mediated by prostaglandin D2(PGD2).
                            本发明涉及一般式N-取代
吲哚-3-
乙酸衍
生物,其中R1是可选取代的
苯并噻唑基、
嘧啶-4-基、
咪唑-2-基、
噁唑-2-基或
噻唑-2-基,R2是氢、卤素、C1-6烷基或C1-6烷氧基,R3是氢或C1-6烷基(在说明书中进一步细节见),以及它们在治疗呼吸道疾病如哮喘、鼻炎和慢性阻塞性肺疾病(
COPD)以及其他由
前列腺素D2(
PGD2)介导的疾病中的应用。