2-Aryl-1,2-benzisothiazolinone-1,1-dioxides and pharmaceutical compositions containing them
申请人:Merck & Co., Inc.
公开号:EP0026791A1
公开(公告)日:1981-04-15
Novel 2-aryl-1,2-benzisothiazolinone-1,1-dioxides of the formula:
wherein R is substituted phenyl or substituted pyridyl, the number and the meaning of the substituents of phenyl or pyridyl given in the claims, e.g. R is 2,4-dinitrophenyl, pentafluorophenyl, 2-cyano-4-nitrophenyl, 2,4-dicyano- phenyl, 3-nitro-pyrid-2-yl or 5-cyanopyrid-2-yl, are selective inhibitors of certain proteases and elastases and therefore are useful in treating emphysema, rheumatoid arthritis, and various inflammatory diseases, for example, bronchial inflammation. They can be prepared on several ways, e.g. according to the following flowchart:
新颖的式 2-芳基-1,2-苯并异噻唑啉酮-1,1-二氧化物:
其中 R 是取代的苯基或取代的吡啶基,苯基或吡啶基取代基的数目和含义在权利要求中给出,例如R为 2,4-二硝基苯基、五氟苯基、2-氰基-4-硝基苯基、2,4-二氰基苯基、3-硝基吡啶-2-基或 5-氰基吡啶-2-基,是某些蛋白酶和弹性蛋白酶的选择性抑制剂,因此可用于治疗肺气肿、类风湿性关节炎和各种炎症性疾病,如支气管炎。它们可以通过多种方法制备,例如根据以下流程图: