Nucleoside analogs

Abstract

Provided are compounds of the following formulae: A phosphonomethoxymethyoxymethyl purine/pyrimidine derivative of the formula ##STR1## wherein X and X' are the same or different and are hydrogen or alkyl. R and R' are the same or different and are hydrogen, alkyl, hydroxyalkyl or alkanoyl and B is a purine or pyrimidine base. A compound of formula (VI) ##STR2## wherein X is halogen, Y is S-phenyl, Se-phenyl or halogen and B is hypoxanthine, xanthine, guanine, 8-bromoguanine, 8-chloroguanine, 8-methylguanine, 8-thioguanine, 3-deazaguanine, purine, 2-aminopurine, 2,6-diaminopurine, adenine, 3-deazaadenine, 8-aminoguanine, 8-hydrazinoguanine, 8-hydroxyguanine, cytosine, 5-ethylcytosine, 5-methylcytosine, thymine, uracil, 5-chlorouracil, 5-bromouracil, 5-ethyluracil, 5-iodouracil, 5-propyluracil or 5-vinyluracil, 2-acetamido-6-diphenylcarbamoylpurine, 6-N-dimethylamino-methyladenine or 6-N-pivaloyladenine. A compound of formula (VII) ##STR3## wherein B is guanine, 8-guanine, 8-bromoguanine, 8-chloroguanine, 8-methylguanine, 8-thioguanine, 3-deazaguanine, 8-aminoguanine, 8-hydrazinoguanine, 8-hydroxyguanine, cytosine, 5-ethylcytosine, or 5-methylcytosine.

Dependencies are inferred from the claim text.