.beta.-l-2'-deoxy-nucleosides for the treatment of hepatitis b

Details .beta.-l-2'-deoxy-nucleosides for the treatment of hepatitis b .beta.-l-2'-deoxy-nucleosides for the treatment of hepatitis b

C - Chemistry, Metallurgy

07

H

C07H 19/20 (2006.01) A61K 31/7068 (2006.01) A61K 31/7072 (2006.01) A61K 31/7076 (2006.01) A61K 31/708 (2006.01) A61P 31/20 (2006.01) C07H 19/173 (2006.01)

Patent

CA 2599597

This invention is directed to a method for treating a host infected with hepatitis B comprising administering an effective amount of an anti-HBV biologically active 2'-deoxy-.beta.-L-erythro-pentofuranonucleoside or a pharmaceutically acceptable salt or prodrug thereof, wherein the 2'-deoxy-.beta.-L-erythro-pentofuranonucleoside has formula (I) wherein R is selected from the group consisting of H, straight chained, branched or cyclic alkyl, CO-alkyl, CO-aryl, CO-alkoxyalkyl, CO-aryloxyalkyl, CO-substituted aryl, alkylsulfonyl, arylsulfonyl, aralkylsulfonyl, amino acid residue, mono, di, or triphosphate, or a phosphate derivative; and BASE is a purine or pyrimidine base which may be optionally substituted. The 2'-deoxy-.beta.-L-erythro-pentofuranonucleoside or a pharmaceutically acceptable salt or prodrug thereof may be administered either alone or in combination with another 2'-deoxy-.beta.-L-erythro-pentofuranonucleoside or in combination with another anti-hepatitis B agent

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