| 摘要 |
Novel 2-aryl-1,2-benzisothiazolinone-1,1-dioxides of the formula: <CHEM> 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-dicyanophenyl, 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: <CHEM> l |
