General Synthesis and Binding Affinity of Position-Selective Phosphonodiester- and Phosphotriester-Incorporated Oligodeoxyribonucleotides
摘要:
Synthesis of phosphonodiester- and phosphotriester-modified oligodeoxyribonucleotides has been accomplished via the phosphoramidite approach with allylic protection. The modification can be made at the selected position(s) of the oligomers. The efficiency of this method has been demonstrated by the synthesis of base-labile modified oligo(deoxyribonucleotide)s such as the methyl phosphates and phenylphosphonates. Melting temperatures of the duplexes containing these artificial strands indicate that the backbone-alternation, which is made at a single site, does not have a negative influence on the binding affinity to the complementary DNA.
2'-CYANO SUBSTITUTED NUCLEOSIDE DERIVATIVES AND METHODS OF USE THEREOF USEFUL FOR THE TREATMENT OF VIRAL DISEASES
申请人:Girijavallabhan Vinay
公开号:US20140161770A1
公开(公告)日:2014-06-12
The present invention relates to 2′-Cyano Substituted Nucleoside Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein B, X, R
1
, R
2
and R
3
are as defined herein. The present invention also relates to compositions comprising at least one 2′-Cyano Substituted Nucleoside Derivative, and methods of using the 2′-Cyano Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.
[EN] MODIFIED CYCLIC DINUCLEOSIDE COMPOUNDS AS STING MODULATORS<br/>[FR] COMPOSÉS DI-NUCLÉOSIDIQUES CYCLIQUES MODIFIÉS SERVANT DE MODULATEURS STING
申请人:ALIGOS THERAPEUTICS INC
公开号:WO2020227421A1
公开(公告)日:2020-11-12
Provided herein are compounds of Formula (I), Formula (II) and/or Formula (III), or pharmaceutically acceptable salts of any of the foregoing, pharmaceutical compositions that include a compound described herein (including pharmaceutically acceptable salts of a compound described herein) and methods of synthesizing the same. Also provided herein are methods of treating diseases and/or conditions with a compound of Formula (I), Formula (II) and/or Formula (III), or a pharmaceutically acceptable salt of any of the foregoing.
2′-Deoxy-2′-α-fluoro-2′-β-C-methyl 3′,5′-cyclic phosphate nucleotide prodrug analogs as inhibitors of HCV NS5B polymerase: Discovery of PSI-352938
作者:P. Ganapati Reddy、Donghui Bao、Wonsuk Chang、Byoung-Kwon Chun、Jinfa Du、Dhanapalan Nagarathnam、Suguna Rachakonda、Bruce S. Ross、Hai-Ren Zhang、Shalini Bansal、Christine L. Espiritu、Meg Keilman、Angela M. Lam、Congrong Niu、Holly Micolochick Steuer、Phillip A. Furman、Michael J. Otto、Michael J. Sofia
DOI:10.1016/j.bmcl.2010.10.035
日期:2010.12
A series of novel 2′-deoxy-2′-α-fluoro-2′-β-C-methyl 3′,5′-cyclic phosphatenucleotide prodrug analogs were synthesized and evaluated for their in vitro anti-HCV activity and safety. These prodrugs demonstrated a 10–100-fold greater potency than the parent nucleoside in a cell-based replicon assay due to higher cellular triphosphate levels. Our structure–activity relationship (SAR) studies provided
Modified oligonucleotides and compound that can be used for synthesizing same
申请人:GUANGZHOU RIBOBIO CO., LTD.
公开号:US20200369703A1
公开(公告)日:2020-11-26
The present disclosure falls within the field of biomedical technology, and in particular relates to modified oligonucleatides and a compound that can be used for synthesizing same and a method for modifying oligonucleotides. The present disclosure also relates to the use of the modified oligonucleotides for preventing and/or treating diseases associated with the liver in a subject.
Cytotoxic and mutagenic properties of alkyl phosphotriester lesions in Escherichia coli cells
作者:Jiabin Wu、Pengcheng Wang、Yinsheng Wang
DOI:10.1093/nar/gky140
日期:2018.5.4
translesion synthesis DNApolymerases. In this study, we synthesized oligodeoxyribonucleotides containing four pairs (Sp and Rp) of alkyl phosphotriester lesions at a defined site, and examined how these lesions are recognized by DNAreplication machinery in Escherichiacolicells. We found that the Sp diastereomer of the alkyl phosphotriester lesions could be efficiently bypassed, whereas the Rp counterparts