Compounds for the treatment or prophylaxis of a viral infection in a mammal, which may be human, are provided. The compounds are oligodeoxyribonucleic acid derivatives, and a novel route to such compounds is also provided together with intermediates of more general utility. The active compounds are of the general formula (1): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are hydrogen atoms, alkyl groups, aryl groups as defined, and anthraquinonyl groups as defined; Z is carbon or silicon; or R.sub.2, R.sub.3 and Z together represent fluorenyl or xanthenyl; R.sub.4 is a hydrogen atom, an alkyl group as defined, an aryl group as defined; Y.sub.1, Y.sub.3 and Y.sub.4 are oxygen, sulfur or >NH; Y.sub.2 is oxygen, sulfur, >NH, alkylene or phenylene; X is alkylene group as defined; m and n are 0 to 10; and B is an oligodeoxyribonucleotide of chain length 3 to 9; or salts thereof.
提供了用于治疗或预防哺乳动物(包括人类)病毒感染的化合物。这些化合物是寡聚
脱氧核糖核酸衍
生物,同时提供了一种新的制备这些化合物的方法以及更通用的
中间体。活性化合物的一般式(1)如下:##
STR1##其中R.sub.1、R.sub.2和R.sub.3是
氢原子、烷基、芳基(如定义)和
蒽醌基(如定义);Z是
碳或
硅;或R.sub.2、R.sub.3和Z共同表示
芴基或
黄酮基;R.sub.4是
氢原子、烷基(如定义)、芳基(如定义);Y.sub.1、Y.sub.3和Y.sub.4是
氧、
硫或>NH;Y.sub.2是
氧、
硫、>NH、烷基或
苯基;X是烷基(如定义);m和n为0到10;B是链长为3到9的寡聚
脱氧核糖核酸;或其盐。