5’-O-DMT-N2-isobutyrylguanosine | 81246-83-5

• 物质功能分类: 医药中间体 - 原料药中间体
• 分子结构分类: 有机化合物 - 苯类化合物 - 三苯基化合物
• 英文名称: 5’-O-DMT-N2-isobutyrylguanosine
• 英文别名: 5'-O-DMT-ibu-rG；N-[9-[(2R,3R,4S,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-3,4-dihydroxyoxolan-2-yl]-6-oxo-1H-purin-2-yl]-2-methylpropanamide
• CAS: 81246-83-5
• 化学式: C₃₅H₃₇N₅O₈
• 分子量: 655.707
• InChiKey: SSYBHRGSXXKZQZ-QBVBFOPXSA-N

物化性质

• 熔点：
  >153°C (dec.)
• 溶解度：
  可溶于DMSO（少许）、甲醇（少许）

计算性质

• 辛醇/水分配系数(LogP)：
  3.9
• 重原子数：
  48
• 可旋转键数：
  11
• 环数：
  6.0
• sp3杂化的碳原子比例：
  0.31
• 拓扑面积：
  166
• 氢给体数：
  4
• 氢受体数：
  10

安全信息

• 危险性防范说明：
  P261,P264,P270,P271,P280,P301+P312,P302+P352,P304+P340,P305+P351+P338,P330,P332+P313,P337+P313,P362,P403+P233,P405,P501
• 危险性描述：
  H302,H315,H319,H335

制备方法与用途

用途

5'-O-(4,4'-二甲氧基三苯甲基)-N2-异丁酰-2'-甲氧基鸟苷是一种核苷酸类衍生物，可用作医药中间体。

反应信息

• 作为反应物：
  描述：

  5’-O-DMT-N2-isobutyrylguanosine 在 4-二甲氨基吡啶 、 2,2,6,6-四甲基哌啶氧化物 、 碘苯二乙酸 、 2-乙氧基-1-乙氧碳酰基-1,2-二氢喹啉 、 三氯乙酸 作用下， 以 乙醚 、 二氯甲烷 、 水 、 N,N-二甲基甲酰胺 、 丙酮 、 乙腈 为溶剂， 反应 84.42h， 生成 N-isobutyroyl-5’-(diethyleneglycol monoethyl ether)-2’,3’-di-O-(carbobenzyloxy)guanosine
  参考文献：
  名称：

  Synthesis, DNA binding and anti-leukemic activity of an aminoacyl nucleolipid

  摘要：

  The synthesis and characterization of a new class of DNA binding molecule exhibiting potent and selective anti-leukemic activity is described. The synthesis of an aminoacyl nucleolipid was developed from an efficient EEDQ coupling strategy, in which a series of seven bioconjugates were synthesized in yields of 53-78%. Guanosine bioconjugate 7, was used as building block for the synthesis of a target aminoacyl nucleolipid 14. Its GRP78 DNA binding affinity was confirmed by gel shift assay, CD spectroscopy, T-m measurements and dynamic light scattering experiments. Moreover, in a single dose (10 mu M) screen against a panel of 60 cancer cell lines, aminoacyl nucleolipid 14 was found to selectively trigger greater than 90% cell death in a SR human leukemia cancer cell line. The reported aminoacyl nucleolipid represents a useful model for a new class of DNA binding molecules for the development of potent and selective anti-cancer agents. Published by Elsevier Ltd.

  DOI：

  10.1016/j.bmcl.2013.07.030
• 作为产物：
  描述：

  在 吡啶 、 4-二甲氨基吡啶 作用下， 生成 5’-O-DMT-N2-isobutyrylguanosine
  参考文献：
  名称：

  Synthesis, characterization, and biological properties of small branched RNA fragments containing chiral (R_pand S_p) 2′,5′-phosphorothioate linkages

  摘要：

  Synthetic branched RNA fragments were prepared to examine the stereochemical requirements for hydrolysis of RNA lariats by the yeast debranching enzyme (yDBR). Specifically, two branched trinucleoside diphosphates and a tetranucleoside triphosphate containing a 2',5'-linked phosphorothioate linkage of defined stereochemistry, namely R-p-A(2'ps5'G)pC, S-p-A(2'ps5'G)pC and S-p-ApA(2'ps5'G)pC, were prepared via solution-phase methods. Unlike the all-phosphodiester control, A(2'p5'G)pC, the R-p-thioated trimer was not cleaved by yDBR, demonstrating that changing the pro-R-p oxygen at the 2',5'-phosphodiester bond averts hydrolysis by the enzyme. In contrast, the S-p branched compounds (trimer and tetramer) were cleaved yDBR, albeit with reduced efficiency relative to the corresponding all-phosphodiester branched compounds. Furthermore, the small branched RNAs (5 nt) were not cleaved as efficiently as a 18-nt bRNA, suggesting that the enzyme appears to have a stronger preference for larger bRNA substrates. The non-hydrolyzable branched RNA fragments prepared during these studies may be promising candidates for the future co-crystallization and X-ray analyses of DBR:bRNA complexes.

  DOI：

  10.1080/15257770500447004

文献信息

• Synthesis of oligoribonucleotides with phosphonate-modified linkages
  作者：Ondřej Páv、Ivana Košiová、Ivan Barvík、Radek Pohl、Miloš Buděšínský、Ivan Rosenberg

  DOI：10.1039/c1ob05488k

  日期：——

  Solid phase synthesis of phosphonate-modified oligoribonucleotides using 2′-O-benzoyloxymethoxymethyl protected monomers is presented in both 3′→5′ and 5′→3′ directions. Hybridisation properties and enzymatic stability of oligoribonucleotides modified by regioisomeric 3′- and 5′-phosphonate linkages are evaluated. The introduction of the 5′-phosphonate units resulted in moderate destabilisation of

  固相合成膦酸酯修饰的寡核糖核苷酸 2′- O-苯甲酰氧基甲氧基甲基被保护的单体在3'→5'和5'→3'两个方向上均存在。区域异构体3'-和-修饰的寡核糖核苷酸的杂交特性和酶稳定性5'-膦酸酯链接被评估。的介绍5'-膦酸酯 单位导致RNA / RNA双链体的适度去稳定化（ΔT米 -1.8°C / mod。），而引入 3'-膦酸酯 单元导致双工的相当大的不稳定（ΔT米-5.7°C / mod。）。分子动力学模拟已被用来解释这种行为。在核糖核酸酶A，磷酸二酯酶I和磷酸二酯酶II的存在下，两种类型的膦酸酯键均显示出显着的抗性。
• [EN] LIGAND-MODIFIED DOUBLE-STRANDED NUCLEIC ACIDS<br/>[FR] ACIDES NUCLÉIQUES DOUBLE BRIN MODIFIÉS PAR UN LIGAND
  申请人：DICERNA PHARMACEUTICALS INC

  公开号：WO2016100401A1

  公开（公告）日：2016-06-23

  The invention provides for double stranded nucleic acid molecules comprising a 5 'extension of the sense or antisense strand and further comprising a plurality of nucleotides that are conjugated to a ligand and methods of using the double-stranded nucleic acid molecules. Ligand-modified oligomers where the sense stands form a tetraloop provide new potent and stable RNA interference agents. These dsNA molecules are synthesized using a plurality of nucleotides that include ligand-modified monomers, nucleotide analog monomers, modified nucleotide monomers and the like, using standard nucleotide synthetic methods and systems.

  该发明提供了包括具有感链或反义链的5'延伸以及进一步包括与配体结合的多个核苷酸的双链核酸分子，以及使用这些双链核酸分子的方法。其中，感链形成四环的配体修饰寡聚物提供了新的强效和稳定的RNA干扰剂。这些双链核酸分子是使用包括配体修饰单体、核苷酸类似物单体、修饰核苷酸单体等的多个核苷酸合成的，使用标准的核苷酸合成方法和系统。
• Modified phosphotriester method for chemical synthesis of ribooligonucleotides. Part I. Synthesis of riboundecaadenylate and two fragments constituting the sequence of R-17 translation control signal
  作者：Wing L. Sung、Saran A. Narang

  DOI：10.1139/v82-021

  日期：1982.1.15

  A modified phosphotriester method has been successfully applied for the chemical synthesis of ribooligonucleotides. The starting material is a fully protected ribomononucleoside containing a 3′-phosphotriester group 5. The coupling reaction is performed using mesitylenesulfonyl tetrazole and purification of the product achieved using reversed phase column chromatography. The effectiveness of this method has been demonstrated by achieving an efficient and rapid synthesis of r-A₇, r-A₁₁, r5′-AAACAUGAGGA-3′, and r5′-UUACCCAUGU-3′ (R-17, translation control sequence).

  一种改良的磷酸三酯方法已成功应用于核糖寡核苷酸的化学合成。起始物是含有3'-磷酸三酯基团的完全保护的核糖单核苷酸。偶联反应使用二甲苯磺酰四唑进行，并通过反相柱层析纯化产物。该方法的有效性已通过成功合成r-A₇、r-A₁₁、r5′-AAACAUGAGGA-3′和r5′-UUACCCAUGU-3′（R-17，翻译控制序列）来证明。
• COMPOUNDS FOR TREATING BACTERIAL INFECTIONS
  申请人：Glaser Gad

  公开号：US20110086813A1

  公开（公告）日：2011-04-14

  The present invention relates to a novel class of guanine nucleotide analogs which inhibit RelA and Relseq synthetic activity and which possess anti-bacterial activity. The present invention also relates to pharmaceutical compositions that include such compounds, and to methods of use of such compounds or compositions for combating bacteria and treating bacterial infections.

  本发明涉及一类新型鸟嘌呤核苷酸类似物，其抑制RelA和Relseq的合成活性，并具有抗细菌活性。本发明还涉及包括这些化合物的药物组合物，以及利用这些化合物或组合物来对抗细菌和治疗细菌感染的方法。
• [EN] UNA AMIDITES AND USES THEREOF<br/>[FR] AMIDITES D'UNA ET LEURS UTILISATIONS
  申请人：AVIDITY BIOSCIENCES INC

  公开号：WO2020247818A1

  公开（公告）日：2020-12-10

  Disclosed herein are compositions and pharmaceutical formulations that comprise a binding moiety conjugated to a modified polynucleic acid molecule and a polymer. Also described herein include methods for treating a disease which utilize a composition or a pharmaceutical formulation comprising a binding moiety conjugated to a polynucleic acid molecule and a polymer.

  本文披露了包含结合基团与修饰的多核苷酸分子和聚合物结合的组合物和药物配方。本文还描述了利用包含结合基团与多核苷酸分子和聚合物结合的组合物或药物配方进行治疗疾病的方法。