[EN] METHODS OF PREVENTING, REDUCING OR TREATING MACULAR DEGENERATION<br/>[FR] PROCÉDÉS DE PRÉVENTION, DE RÉDUCTION OU DE TRAITEMENT DE LA DÉGÉNÉRESCENCE MACULAIRE
申请人:INOTEK PHARMACEUTICALS CORP
公开号:WO2016090005A1
公开(公告)日:2016-06-09
The present invention is directed to selective adenosine A1 agonist compounds, pharmaceutical compositions comprising such compounds, and methods of using such compounds to treat, reduce or prevent age-related macular degeneration.
Functionalization of 2<i>H</i>-1,2,3-Triazole <i>C</i>-Nucleoside Template via N<sup>2</sup> Selective Arylation
作者:Alexandra Basilio Lopes、Patrick Wagner、Rodrigo Octavio Mendonça Alves de Souza、Nadège Lubin Germain、Jacques Uziel、Jean-Jacques Bourguignon、Martine Schmitt、Leandro S. M. Miranda
DOI:10.1021/acs.joc.6b00323
日期:2016.6.3
C-Nucleosides are an underexplored and important class of nucleosides with antiviral and anticancer activity. In addition, triazole heterocycles are well employed as a strategy to modify nucleobase in nucleoside analogues, although rare examples were described for triazoyl C-nucleosides. N2-Aryl-1,2,3-triazole C-nucleoside compounds that could be obtained by selective 1,2,3-triazole heterocycle N2
C-核苷是具有抗病毒和抗癌活性的未开发和重要的核苷类。另外,三唑杂环被广泛用作修饰核苷类似物中的核碱基的策略,尽管描述了三唑酰基C-核苷的罕见实例。N 2-芳基-1,2,3-三唑C-核苷化合物,可通过在1-β- d-呋喃核糖基-2 H -1,2,3中进行选择性的1,2,3-三唑杂环N 2芳基化反应获得-三唑底物是在这项研究中设计的。优化条件使用了AdBrettPhos / [PdCl(allyl)] 2作为催化剂体系。这种转变是通过带有电子给体和吸电子基团的芳基卤化物以及杂环卤化物以良好或极好的收率实现的。一旦它允许通过三唑核苷的选择性功能化合成未开发的支架,则在这项研究中开发的转化代表了对核苷领域的重大贡献。
Selective Formation of Stable Triplexes Including a TA or a CG Interrupting Site with New Bicyclic Nucleoside Analogues (WNA)
would be expanded to a greater extent. However, this problem has not been generally solved despite extensive studies. We have previously reported a new base analogue (WNA) constructed of three parts, a benzene ring, a heterocyclic ring, and a bicyclic skeleton to hold these two parts. In this study, we have further investigated modification of WNA systematically and determined two useful WNA analogues
三链体形成寡核苷酸 (TFO) 是潜在的 DNA 靶向分子,将成为基因组研究的强大工具。由于 TFO 的稳定性部分是由与嘌呤碱基的氢键提供的,因此最稳定的三链体与高嘌呤/高嘧啶序列一起形成,并且双链体嘌呤链中的嘧啶碱基会中断三链体的形成。如果 TFO 能够识别包含此类中断位点的序列,则基因组中的目标区域将扩大到更大程度。然而,尽管进行了广泛的研究,但这个问题并未得到普遍解决。我们之前曾报道过一种新的碱基类似物 (WNA),由三部分构成,苯环、杂环和双环骨架来容纳这两部分。在这项研究中,我们进一步系统地研究了 WNA 的修改,并确定了两种有用的 WNA 类似物,WNA-beta T 和 WNA-beta C,分别用于在 TA 和 CG 中断位点选择性稳定三联体。与 WNA 类似物的三联体表现出一种有趣的特性,即使在低 Mg(2+) 浓度下,它们也比天然型三联体更稳定。通过与不含苯的 H-WNA-beta
Sequential Dy(OTf)<sub>3</sub>-Catalyzed Solvent-Free Per-<i>O</i>-Acetylation and Regioselective Anomeric De-<i>O</i>-Acetylation of Carbohydrates
作者:Yi-Ling Yan、Jiun-Rung Guo、Chien-Fu Liang
DOI:10.1002/asia.201700867
日期:2017.9.19
regioselective anomeric de‐O‐acetylation of carbohydrates can be tuned by adjusting the reaction medium. In this study, the per‐O‐acetylation of unprotected sugars by using a near‐stoichiometric amount of acetic anhydride under solvent‐free conditions resulted in the exclusive formation of acetylated saccharides as anomeric mixtures, whereas anomeric de‐O‐acetylation in methanol resulted in a moderate‐to‐excellent
[EN] CYCLIC DINUCLEOTIDES AS ANTICANCER AGENTS<br/>[FR] DINUCLÉOTIDES CYCLIQUES UTILISÉS EN TANT QU'AGENTS ANTICANCÉREUX
申请人:BRISTOL MYERS SQUIBB CO
公开号:WO2019079261A1
公开(公告)日:2019-04-25
The present invention is directed to compounds of the formula (I) wherein all substituents are defined herein, as well as pharmaceutically acceptable compositions comprising compounds of the invention and methods of using said compositions in the treatment of various disorders.