申请人:Beecham Group P.l.c.
公开号:US05055458A1
公开(公告)日:1991-10-08
Compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein R.sub.1 is hydroxy, amino, chloro or OR.sub.7 wherein R.sub.7 is C.sub.1-6 alkyl, phenyl or phenyl C.sub.1-2 alkyl either of which phenyl moieties may be substituted by one or two substituents selected from halo, C.sub.1-4 alkyl or C.sub.1-4 alkoxy; R.sub.2 amino or, when R.sub.1 is hydroxy or amino, R.sub.2 may also be hydrogen; X is --CH.sub.2 CH.sub.2 -- or a moiety of structure (a), (b) or (c): ##STR2## wherein n is 1 or 2; m is 0, 1 or 2; and R.sub.3 is hydrogen or acyl; R.sub.4 is a group of formula: ##STR3## wherein R.sub.5 and R.sub.6 are independently selected from hydrogen, C.sub.1-6 alkyl and optionally substituted phenyl; having antiviral activity, processes for their preparation and their use as pharmaceuticals.
式(I)的化合物及其药学上可接受的盐:其中R.sub.1为羟基、氨基、氯基或OR.sub.7,其中R.sub.7为C.sub.1-6烷基、苯基或苯基C.sub.1-2烷基,其中任一苯基基团可被来自卤素、C.sub.1-4烷基或C.sub.1-4烷氧基的一或两个取代基取代;R.sub.2为氨基,或当R.sub.1为羟基或氨基时,R.sub.2也可以是氢原子;X为--CH.sub.2 CH.sub.2 --或结构(a)、(b)或(c)的基团:其中n为1或2;m为0、1或2;R.sub.3为氢原子或酰基;R.sub.4为下式的基团:其中R.sub.5和R.sub.6独立地选自氢原子、C.sub.1-6烷基和可选择取代的苯基;具有抗病毒活性,其制备方法及其作为药物的用途。