申请人:Pfizer Inc.
公开号:US04343813A1
公开(公告)日:1982-08-10
The compounds of the invention are certain new propenamide and 2-butenamide compounds, having a (4-carboxy-2-oxo-pyrrolidino)phenyl substituent at the 3-position, and certain esters thereof, and certain cyclopropanecarboxamide compounds, having a (4-carboxy-2-oxo-pyrrolidino)phenyl substituent at the 2-position, and certain esters thereof. The compounds of the invention are useful for antagonizing the spasmogenic activity of the slow-reacting substance of anaphylaxis (SRS-A) in a human subject. In particular, the compounds of the invention are useful for preventing and treating certain obstructive airways diseases, notably allergic bronchial asthma, allergic rhinitis and certain skin disorders, in human subjects.
本发明的化合物是某些新的丙烯酰胺和2-丁烯酰胺化合物,在3位具有(4-羧基-2-氧代吡咯烷基)苯基取代基,以及它们的某些酯,以及某些环丙烷羧酰胺化合物,在2位具有(4-羧基-2-氧代吡咯烷基)苯基取代基,以及它们的某些酯。本发明的化合物对于拮抗人体主体中过敏性休克的缓激活物质(SRS-A)的痉挛活性是有用的。特别是,本发明的化合物对于预防和治疗某些阻塞性气道疾病是有用的,特别是过敏性支气管哮喘、过敏性鼻炎和某些皮肤疾病,在人体主体中。