申请人:A. Nattermann & Cie. GmbH
公开号:US05126357A1
公开(公告)日:1992-06-30
A compound or a pharmaceutically acceptable salt thereof, having anti-inflammatory activity, is disclosed according to the Formula (I) ##STR1## wherein R is hydrogen, methyl or ethyl, R.sub.1 is a 2-pyridyl, 3-pyridyl or 4-pyridyl group or is phenyl, chlorophenyl or fluorophenyl, R.sub.2 is a 2-pyridyl, 3-pyridyl or 4-pyridyl group, R.sub.3 and R.sub.4 are identical or different and, taken separately, are hydrogen, fluorine, chlorine, bromine, C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 alkoxy, hydroxy, cyano or nitro or, taken together, are methylenedioxy, and n is 0 or 1.
根据以下公式(I)揭示了具有抗炎活性的化合物或其药学上可接受的盐,其中R为氢、甲基或乙基,R.sub.1为2-吡啶基、3-吡啶基或4-吡啶基或为苯基、氯苯基或氟苯基,R.sub.2为2-吡啶基、3-吡啶基或4-吡啶基,R.sub.3和R.sub.4相同或不同,并且分别为氢、氟、氯、溴、C.sub.1至C.sub.4烷基、C.sub.1至C.sub.4烷氧基、羟基、氰基或硝基,或者共同为亚甲二氧基,n为0或1。