| abstract |
A compound of formula (I) wherein Ar can be one six-membered or two fused six-membered aromatic rings; R 8 and R 9 can be hydrogen, alkyl, cycloalkyl, halogens, amino, alkylamino, dialkylamino, nitro, cyano, alkyoxy, aryloxy, thiol, alkylthiol, arythiol, or aryl; Q can be O, S or CY 2 , where Y may be H, alkyl or halogens; X can be O, NH, S, N-alkyl, (CHR 2 ) m where m is 1 to 10, and CY 2 ; Z can be O, S, NH, or N-alkyl; U″ is H and U′ can be H or CH 2 ; wherein: T can be OH, H, halogens, O-alkyl, O-acyl, O-aryl, CN, NH 2 or N 3 ; T′ and T″ can be H or halogen; and W can be H or a phosphate group. Compounds show anti-viral activity, for example with respect to varicella zoster virus. |