申请人:Beecham Group p.l.c.
公开号:US04965270A1
公开(公告)日:1990-10-23
Compounds of formula (I), and pharmaceutically acceptable salts thereof: ##STR1## wherein R.sub.1 is hydrogen or CH.sub.2 OH; R.sub.2 is hydrogen or, when R.sub.1 is hydrogen, hydroxy or CH.sub.2 OH; R.sub.3 is CH.sub.2 OH or, when R.sub.1 and R.sub.2 are both hydrogen, CH(OH)CH.sub.2 OH; R.sub.4 is hydrogen, hydroxy, amino or OR.sub.5 wherein R.sub.5 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 halo, C.sub.1-4 alkyl or C.sub.1-4 alkoxy groups; and in which any OH groups in R.sub.1, R.sub.2 and R.sub.3 may be in the form of O-acyl, phosphate, cyclic acetal or cyclic carbonate derivatives thereof; having antiviral activity.
化合物的公式(I)及其药学上可接受的盐:##STR1##其中R.sub.1是氢或CH.sub.2 OH;R.sub.2是氢或当R.sub.1为氢时,是羟基或CH.sub.2 OH;R.sub.3是CH.sub.2 OH或当R.sub.1和R.sub.2都是氢时,是CH(OH)CH.sub.2 OH;R.sub.4是氢,羟基,氨基或OR.sub.5,其中R.sub.5是C.sub.1-6烷基,苯基或苯基C.sub.1-2烷基,其中任何一个苯基团可以被一个或两个卤素,C.sub.1-4烷基或C.sub.1-4烷氧基取代;并且R.sub.1,R.sub.2和R.sub.3中的任何一个羟基可以是其O-酰基,磷酸酯,环状缩醛或环状碳酸酯衍生物;具有抗病毒活性。