The compounds of the invention are certain new propenamides and 2-butenamides having a (carboxyalkanamido)phenyl or a (carboxyalkenamido)phenyl group at the 3-position, and certain esters thereof, and certain cyclopropanecarboxamide compounds having a (carboxyalkanamido)phenyl group or a (carboxyalkenamido)phenyl group at the 2-position, and certain esters thereof. The compounds are useful for antagonizing the spasmogenic activity of 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.
本发明的化合物是具有(羧基烷
酰胺基)
苯基或(羧基
烯酰胺基)
苯基基团位于3位的某些新
丙烯酰胺和
2-丁烯酰胺,以及它们的某些
酯,以及具有(羧基烷
酰胺基)
苯基基团或(羧基
烯酰胺基)
苯基基团位于2位的某些
环丙烷羧
酰胺化合物,以及它们的某些
酯。这些化合物对于拮抗人体内过敏性反应缓激物(SRS-A)的痉挛原活性是有用的。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,尤其是过敏性支气管哮喘、过敏性鼻炎和某些皮肤疾病在人体中是有用的。