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.
该公式的抗病毒活性化合物为:其中A为,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,Ra'为(
CH2)p OH,NHCONH2或CORa",Ra"为氢,羟基或
氨基,p为1至4,Rb'和Rb"分别选择氢或( )p OH,但至少其中一个为氢;或Rb'和Rb"共同形成另一个碳-碳键以形成
炔烃;或其生理上可接受的盐,几何或光学异构体;含有该化合物的制药制剂和治疗病毒感染的方法。