L-2',3'-dideoxy nucleoside analogs as anti-Hepatitis B (HBV) age

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai

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514 50, 514893, 514894, 536 282, 536 2852, A61K 3170

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056312393

ABSTRACT:
The present invention relates to the surprising discovery that certain dideoxynucleoside analogs which contain a dideoxy ribofuranosyl moiety having an L-configuration (as opposed to the naturally occurring D- configuration) exhibit unexpected activity against Hepatitis B virus (HBV). In particular, the compounds according to the present invention show potent inhibition of the replication of the virus in combination with very low toxicity to the host cells (i.e., animal or human tissue). Compounds according to the present invention exhibit primary utility as agents for inhibiting the growth or replication of HBV, HIV and other retroviruses, most preferably HBV.

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