7-bromo- and 7,7-dibromo-cepham and cephem derivatives and their use as protease inhibitors
申请人:PLIVA farmaceutska, kemijska, prehrambena
i kozmeticka industrija, dionicko drustvo
公开号:EP0934944A1
公开(公告)日:1999-08-11
The object of the present invention relates to novel 7-bromo- and 7,7-dibromo-cepham and 7-bromo- and 7,7-dibromo-cepham derivates of general formula I
wherein the radicals have the meanings
R1is hydrogen or bromine,
R2is hydrogen or bromine,
R3is bromine,
R4is methyl, hydroxy,
R5is -OR6 or -NR7R8, wherein R6, R7 and R8 are hydrogen, alkyl, alkylaryl,
n =0, 1, 2,
and of general formula II
wherein the radicals have the meanings
R1is hydrogen or bromine,
R2is hydrogen or bromine,
R3is methyl,
R4is hydrogen, -COOR5 or CONR6R7, wherein R5, R6 and R7 are hydrogen, alkyl, alkylaryl,
n =0, 1, 2.
According to the present invention novel compounds are potentially active as inhibitors of proteases, especially humen leukocyte elastases (HLE).
本发明的对象涉及一种新颖的7-溴和7,7-二溴头孢菌素及一般式I的7-溴和7,7-二溴头孢菌素衍生物,其中基团的含义为:R1为氢或溴,R2为氢或溴,R3为溴,R4为甲基、羟基,R5为-OR6或-NR7R8,其中R6、R7和R8为氢、烷基、烷基芳基,n=0、1、2;以及一般式II的7-溴和7,7-二溴头孢菌素衍生物,其中基团的含义为:R1为氢或溴,R2为氢或溴,R3为甲基,R4为氢、-COOR5或CONR6R7,其中R5、R6和R7为氢、烷基、烷基芳基,n=0、1、2。根据本发明,新的化合物可能作为蛋白酶抑制剂,特别是人类白细胞弹性蛋白酶(HLE)的抑制剂。