申请人:Warner-Lambert Company
公开号:US04092322A1
公开(公告)日:1978-05-30
The present invention is concerned with 11-oxo-1-benzoxepino[4,3-c]pyridines of Formula I: ##STR1## wherein R.sub.1 and R.sub.2 may be hydrogen, lower alkyl, cyano, carboxamido, carboxy, ethoxycarbonyl or tetrazolyl and R.sub.3 may be hydrogen, lower alkyl, halogen, hydroxy or lower alkoxy. These compounds are indicated in the management of allergic conditions such as bronchial asthma, hay fever and the like.
本发明涉及式I的11-氧代-1-苯并氧吩并[4,3-c]吡啶:##STR1## 其中R.sub.1和R.sub.2可以是氢,低碳基,氰基,羧酰胺基,羧基,乙氧羰基或四唑基,而R.sub.3可以是氢,低碳基,卤素,羟基或低烷氧基。这些化合物用于过敏性疾病的治疗,如支气管哮喘,花粉热等。