(EN) Novel derivatives of guanine, viz. antiviral compounds of the formula$(7,)$wherein each of R1 and R2, which are the same or different is hydrogen, hydroxy or fluoro; provided that R1 or R2 is hydrogen when R1 and R2 are different, and provided that R1 and R2 are hydroxy or fluoro when R1 and R2 are the same; or a physiologically acceptable salt or an optical isomer thereof, methods for their preparation, pharmaceutical preparations containing the compounds, and methods for the treatment of virus infections and other diseases caused by viruses.(FR) Nouveaux dérivés de guanine, à savoir des composés antiviraux de formule:$(7,)$ où R1 et R2, sont identiques ou différents, et représente chacun un hydrogène, hydroxy ou fluoro; à condition que R1 ou R2 représente l'hydrogène lorsque R1 et R2 sont différents, et à condition que R1 et R2 soint un hydroxy ou un fluoro lorsque R1 et R2 sont identiques; ou un sel physiologiquement acceptable ou son isomère optique, leurs procédés de préparation, préparations pharmaceutiques contenant les composés, et procédés de traitement d'infections et autres maladies causées par des virus.
Derivatives of guanine for combating herpes virus infections
申请人:Astra Lakemedel Aktiebolag
公开号:US04495190A1
公开(公告)日:1985-01-22
Novel antiviral compounds of the formula ##STR1## wherein each of R.sub.1 and R.sub.2, which are the same or different is hydrogen, hydroxy or fluoro; provided that R.sub.1 or R.sub.2 is hydrogen when R.sub.1 and R.sub.2 are different, and provided that R.sub.1 and R.sub.2 are hydroxy or fluoro when R.sub.1 and R.sub.2 are the same; or a physiologically acceptable salt or an optical isomer thereof, methods for their preparation, pharmaceutical preparations containing the compounds, and methods for the treatment of virus infections and other diseases caused by viruses.