Antivirally active compounds of the formula ##STR1## wherein A is ##STR2## wherein m is 1 or 2, n is 1 or 2, whereby m is 1 when n is 2 and m is 2 when n is 1, R.sub.a ' is (CH.sub.2).sub.p OH, NHCONH.sub.2 or COR.sub.a ", R.sub.a " is hydrogen, hydroxy or amino, p is 1 to 4, R.sub.b ' and R.sub.b " are independently selected from hydrogen or (CH.sub.2).sub.p OH, with the proviso that at least one of R.sub.b ' or R.sub.b " is hydrogen; or R.sub.b ' and R.sub.b " together constitute an additional carbon-carbon bond to form an alkyne; or a physiologically acceptable salt, geometric or optical isomer thereof; pharmaceutical preparations containing the compounds and methods for treatment of virus infections.
该公式代表的抗病毒活性化合物,其中A是,m为1或2,n为1或2,当n为2时m为1,当n为1时m为2,R.sub.a '为(CH.sub.2).sub.p OH,NHCONH.sub.2或COR.sub.a ",R.sub.a "为氢、羟基或
氨基,p为1至4,R.sub.b '和R.sub.b "分别选择自氢或(CH.sub.2).sub.p OH,但至少其中一个为氢;或R.sub.b '和R.sub.b "一起构成额外的碳-碳键形成
炔烃;或其生理上可接受的盐、几何或光学异构体;含有该化合物的药物制剂和治疗病毒感染的方法。