申请人:Farmitalia Carlo Erba S.r.l.
公开号:US05580865A1
公开(公告)日:1996-12-03
The present invention provides cephalosporin sulphones or formula (I), and pharmaceutically or veterinarily acceptable salts thereof; ##STR1## wherein n is zero, one or two; R.sub.1 is hydrogen, halogen or an optionally substituted C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio or C.sub.1 -C.sub.4 carboxamido group; R.sub.2 is hydrogen or an optionally substituted C.sub.1 -C.sub.8 alkyl, C.sub.6 -C.sub.10 aryl, C.sub.2 -C.sub.5 alkenyl or C.sub.3 -C.sub.6 cycloalkyl group; R.sub.3 is hydrogen or acetoxymethyl, methoxymethyl, methyl or an optionally substituted heterocyclylthiomethyl group; R.sub.4 is an optionally substituted C.sub.1 -C.sub.8 alkyl, C.sub.2 -C.sub.6 alkenyl, aryl(C.sub.1 -C.sub.8)alkyl or heterocyclyl(C.sub.1 -C.sub.8)alkyl group; and R.sub.5 is an optionally substituted C.sub.6 -C.sub.10 aryl or a heterocyclyl group. The compounds of formula I and the pharmaceutically and veterinarily acceptable salts thereof are elastase inhibitors.
本发明提供头孢菌素磺酰或式(I)的药物或兽医学上可接受的盐;其中n为0、1或2;R1为氢、卤素或可选的取代的C1-C4烷基、C2-C4烯基、C1-C4烷氧基、C1-C4烷硫基或C1-C4羧酰胺基;R2为氢或可选的取代的C1-C8烷基、C6-C10芳基、C2-C5烯基或C3-C6环烷基;R3为氢或乙酰氧甲基、甲氧基甲基、甲基或可选的取代的杂环烷基硫甲基基团;R4为可选的取代的C1-C8烷基、C2-C6烯基、芳基(C1-C8)烷基或杂环烷基(C1-C8)烷基团;R5为可选的取代的C6-C10芳基或杂环烷基。式(I)化合物及其药学和兽医学上可接受的盐是弹性蛋白酶抑制剂。