Phospho-carboxylic anhydride of a homologated nucleoside leads to primer degradation in the presence of a polymerase
摘要:
Starting from thymidine, through a series of key synthetic transformations (e.g., Wittig reaction, hydroboration, Mitsunobu reaction and TEMPO oxidation) a nucleoside homologue bearing a phospho-carboxylic anhydride group at 60 position was synthesized. The potential of polymerases to catalyze amide bond formation was investigated by using a modified primer with an amino group at 3' position and the synthesized phosphoanhydro compound as substrate. Unfortunately, we did not observe the desired product either by gel electrophoresis or mass spectrometry. In contrast, the instability of the phosphoanhydro compound could lead to pyrophosphate formation and thus, to pyrophosphorolysis of the primer rather than to primer extension. (C) 2014 Elsevier Ltd. All rights reserved.
[EN] NUCLEOTIDE AND NUCLEOSIDE COMPOSITIONS AND USES RELATED THERETO<br/>[FR] COMPOSITIONS À BASE DE NUCLÉOTIDE ET DE NUCLÉOSIDE ET UTILISATIONS CORRESPONDANTES
申请人:UNIV EMORY
公开号:WO2015038596A1
公开(公告)日:2015-03-19
This disclosure relates to nucleotide and nucleoside therapeutic compositions and uses in treating infectious diseases, viral infections, and cancer, where the base of the nucleotide or nucleoside contains at least one thiol, thione or thioether.
Nucleoside derivatives as inhibitors of RNA-dependent RNA viral polymerase
申请人:——
公开号:US20020147160A1
公开(公告)日:2002-10-10
The present invention provides nucleoside compounds and certain derivatives thereof which are inhibitors of RNA-dependent RNA viral polymerase. These compounds are inhibitors of RNA-dependent RNA viral replication and are useful for the treatment of RNA-dependent RNA viral infection. They are particularly useful as inhibitors of hepatitis C virus (HCV) NS5B polymerase, as inhibitors of HCV replication, and/or for the treatment of hepatitis C infection. The invention also describes pharmaceutical compositions containing such nucleoside compounds alone or in combination with other agents active against RNA-dependent RNA viral infection, in particular HCV infection. Also disclosed are methods of inhibiting RNA-dependent RNA polymerase, inhibiting RNA-dependent RNA viral replication, and/or treating RNA-dependent RNA viral infection with the nucleoside compounds of the present invention.
[EN] NUCLEOTIDE AND NUCLEOSIDE THERAPEUTICS COMPOSITIONS AND USES RELATED THERETO<br/>[FR] COMPOSITIONS THÉRAPEUTIQUES RENFERMANT DES NUCLÉOTIDES ET DES NUCLÉOSIDES ET UTILISATIONS ASSOCIÉES
申请人:UNIV EMORY
公开号:WO2016145142A1
公开(公告)日:2016-09-15
This disclosure relates to nucleotide and nucleoside therapeutic compositions and uses in treating infectious diseases, viral infections, and cancer, where the base of the nucleotide or nucleoside contains at least one thiol, thione or thioether.
New thymidine triphosphate analog inhibitors of human immunodeficiency virus-1 reverse transcriptase.
作者:Qi Feng Ma、Ian C. Bathurst、Philip J. Barr、George L. Kenyon
DOI:10.1021/jm00089a002
日期:1992.5
Several novel imidotriphosphate analogues of thymidine have been synthesized and have been shown to be effective inhibitors of humanimmunodeficiencyvirus-1reversetranscriptase (HIV-1 RT). When the alpha,beta-bridging oxygens of thymidine triphosphate (TTP) and 3'-azido-3'-deoxythymidine 5'-triphosphate (AZTTP) were replaced by a nitrogen, the resulting analogues were no longer substrates but instead
已合成了胸腺嘧啶的几种新型亚氨基三磷酸类似物,并已证明是人类免疫缺陷病毒1逆转录酶(HIV-1 RT)的有效抑制剂。当胸苷三磷酸(TTP)和3'-叠氮基3'-脱氧胸苷5'-三磷酸(AZTTP)的α,β桥接氧被氮取代时,所得类似物不再是底物,而是成为竞争性抑制剂HIV-1 RT。测试的最有效的α,β-亚氨基三磷酸衍生物是胸苷5'-α,β-亚氨基三磷酸(TMPNPP,1a)。该类似物的Ki值为2.4 microM,与抑制DNA聚合酶I大片段(Klenow)相比,对HIV-1 RT的抑制作用更强400倍。3'-叠氮基3'-脱氧胸苷5'-α,β-亚氨基三磷酸(AZTMPNPP,1b)的Ki值比TMPNPP大10倍,表明3'-叠氮基取代基相对于正常的3'-OH取代基降低了AZTTP对HIV-1 RT的亲和力。脱氧胸苷5'-α,β-亚氨基三磷酸酯(ddTMPNPP,1c)的效力中等,Ki值为15 mi
Phosphonates useful as modulators of t $g(g)9$g(d)2 lymphocyte activity
申请人:Montero Jean-Louis
公开号:US20060241087A1
公开(公告)日:2006-10-26
The invention concerns novel phosphonate derivatives, preparation method, use thereof as ligands modulating T γ9δ2 lymphocyte activity and pharmaceutical compositions comprising them.