NMR-based conformational analysis of 2′,6-disubstituted uridines and antiviral evaluation of new phosphoramidate prodrugs
摘要:
Six novel phosphoramidate prodrugs of uridine analogues, with structural modifications introduced at the 6- and 2',6-positions, have been prepared and evaluated for selective antiviral activity against hepatitis C virus, as well as other positive-stranded RNA viruses. An analysis of the conformational properties of the parent nucleosides was carried out using two-dimensional NMR spectroscopy based experiments, highlighting a 3'-endo (North) sugar puckering preference and syn orientation. (C) 2015 Elsevier Ltd. All rights reserved.
Synthesis and Antiviral Evaluation of 2′-C-Methyl Analogues of 5-Alkynyl- and 6-Alkylfurano- and Pyrrolo[2,3-d]Pyrimidine Ribonucleosides
摘要:
A series of novel 2'-C-methylribonucleosides, involving 5-iodo and 5-alkynyl uridine analogues as well as related bicyclic furano- and pyrrolo[2,3-d]pyrimidinone compounds, has been synthesized and evaluated for their inhibitory effect on replication of the hepatitis C virus (HCV). The new nucleoside analogues did not show meaningful anti-HCV activity.
[EN] CYTIDINE LIBRARIES AND COMPOUNDS SYNTHESIZED BY SOLID-PHASE COMBINATORIAL STRATEGIES<br/>[FR] BIBLIOTHEQUES A CYTIDINE ET COMPOSES DE CES BIBLIOTHEQUES DONT LA SYNTHESE REPOSE SUR DES STRATEGIES COMBINATOIRES EN PHASE SOLIDE
申请人:RIBAPHARM INC
公开号:WO2003051896A1
公开(公告)日:2003-06-26
Substituted cytidine nucleoside analog libraries and compounds in such libraries are prepared in a combinatorial library approach. Particularly preferred heterocyclic bases in such compounds and libraries include amino acid substituted cytidine nucleosides, 2'-O-substituted cytidine nucleosides, and N-substituted cytidine nucleosides, all of which may be useful in the treatment of various conditions, particularly viral infections and neoplastic diseases.