Stichting Rega Vzw

Arthur Albert Van Aerschot

Erik D De Clercq

Piet A Herdewijn

Piet Andre Herdewlin

It has been found that 1,5-anhydrohexitol nucleoside analogues, wherein a 4-substituted-2,3,4-trideoxy-1,5-anhydrohexitol is coupled via its 2-position to the heterocyclic ring of a pyrimidine or purine base, exhibit remarkable anti-viral properties against herpes viruses, pox viruses and related viruses. The new nucleoside analogues are represented by the general formula I ##STR1## wherein B is a heterocyclic ring derived from a pyrimidine or purine base, X represents H, N.sub.3, F, Cl, Br, I, amino, --NHR.sup.2, --N(R.sup.2).sub.2, --OR.sup.2, --SR.sup.2 or CN, R.sup.1 and R.sup.2 are the same or different and hydrogen, alkyl, acyl or phosphate groups are represented, or wherein X is hydrogen and a double bond is situated between the 3- and 4- position of the 1,5-anhydrohexitol ring. Pharmaceutically acceptable salts and esters thereof are included.

Method of using 1,5-anhydrohexitol nucleoside analogues to treat viral

1,5-Anhydrohexitol nucleoside analogues represented by the general formula I: ##STR1## wherein the hexitol has the D-configuration and the carbon atom on which the base moiety and the X substituent stand both have the (S)-configuration and further wherein:

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Arthur Albert Van Aerschot