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Antiviral l-Nucleosides Specific for Hepatitis B Virus Infection
ABSTRACT A unique series of simple “unnatural” nucleosides has been discovered to inhibit hepatitis B virus (HBV) replication. Through structure-activity analysis it was found that the 3′-OH group ofExpand
Synthesis and pharmacokinetics of valopicitabine (NM283), an efficient prodrug of the potent anti-HCV agent 2'-C-methylcytidine.
In our search for new therapeutic agents against chronic hepatitis C, a ribonucleoside analogue, 2'-C-methylcytidine, was discovered to be a potent and selective inhibitor in cell culture of a numberExpand
In Vitro Activity and Resistance Profile of Samatasvir, a Novel NS5A Replication Inhibitor of Hepatitis C Virus
ABSTRACT The hepatitis C virus (HCV) nonstructural 5A (NS5A) protein is a clinically validated target for drugs designed to treat chronic HCV infection. This study evaluated the in vitro activity,Expand
Enzymatic Synthesis of Unlabeled and β-32P-labeled β-l-2′,3′-Dideoxyadenosine-5′-triphosphate as a Potent Inhibitor of Adenylyl Cyclases and Its Use as Reversible Binding Ligand*
β-l-2′,3′-Dideoxyadenosine-5′-triphosphate (β-l-2′,3′-dd-5′-ATP) was prepared enzymatically from the corresponding monophosphate by the use of adenylate kinase, creatine phosphate, and creatineExpand
2′-C-Methyl Branched Pyrimidine Ribonucleoside Analogues: Potent Inhibitors of RNA Virus Replication
RNA viruses are the agents of numerous widespread and often severe diseases. Their unique RNA-dependent RNA polymerase (RDRP) is essential for replication and, thus, constitutes a valid target forExpand
Antiviral Activity and Intracellular Metabolism of Bis(tButylSATE) Phosphotriester of β-L-2′,3'Dideoxyadenosine, a Potent Inhibitor of HIV and HBV Replication
The β-L-nucleoside analogue β-L-2′,3′-dideoxy adenosine (β-L-ddA) has been shown to exhibit limited antiviral activities. This was attributed to its rapid catabolism through cleavage of theExpand
New Unnatural L-Nucleoside Enantiomers:From Their Stereospecific Synthesis to Their Biological Activities
Abstract Several purine and pyrimidine β-L-dideoxynucleosides were stereospecifically synthesized and their antiviral properties examined. Two of them, namely β-L-2′,3′-dideoxyadenosine (β-L-ddA) andExpand
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