2-amino-5-iodo-4-methoxy-7-(β-D-ribofuranosyl)-7H-pyrrolo-[2,3-d]pyrimidine | 480439-92-7

• 分子结构分类: 有机化合物 - 核苷、核苷酸和类似物 - 吡咯并嘧啶核苷和核苷酸
• 英文名称: 2-amino-5-iodo-4-methoxy-7-(β-D-ribofuranosyl)-7H-pyrrolo-[2,3-d]pyrimidine
• 英文别名: (2R,3R,4S,5R)-2-(2-amino-5-iodo-4-methoxypyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)oxolane-3,4-diol
• CAS: 480439-92-7
• 化学式: C₁₂H₁₅IN₄O₅
• 分子量: 422.179
• InChiKey: QXPFCOJLGKKFLW-IOSLPCCCSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.4
• 重原子数：
  22
• 可旋转键数：
  3
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  136
• 氢给体数：
  4
• 氢受体数：
  8

反应信息

• 作为反应物：
  描述：

  2-amino-5-iodo-4-methoxy-7-(β-D-ribofuranosyl)-7H-pyrrolo-[2,3-d]pyrimidine 在 四(三苯基膦)钯 sodium hydroxide 、 copper(l) iodide 、 三乙胺 作用下， 以 1,4-二氧六环 、 N,N-二甲基甲酰胺 为溶剂， 生成 2-amino-3,7-dihydro-7-(β-D-ribofuranosyl)-5-[(trimethylsilyl)ethynyl]-4H-pyrrolo[2,3-d]pyrimidin-4-one
  参考文献：
  名称：

  7-Functionalized 7-Deazapurine Ribonucleosides Related to 2-Aminoadenosine, Guanosine, and Xanthosine:  Glycosylation of Pyrrolo[2,3-d]pyrimidines with 1-O-Acetyl-2,3,5-tri-O-benzoyl-d-ribofuranose

  摘要：

  The Silyl-Hilbert-Johnson reaction as well as the nucleobase-anion glycosylation of a series of 7-deazapurines has been investigated, and the 7-functionalized 7-deazapurine ribonucleosides were prepared. Glycosylation of the 7-halogenated 6-chloro-2-pivaloylamino-7-deazapurines 9b-d with 1-O-acetyl2,3,5-tri-O-benzOyl-D-ribofuranose (5) gave the beta-D-nucleosides 11b-d (73-75% yield), which were transformed to a number of novel 7-halogenated 7-deazapurine ribonucleosides (2b-d, 3b-d, and 4b-d) related to guanosine, 2-aminoadenosine, and xanthosine. 7-Alkynyl derivatives (2e-i, 3e-h, or 4g) have been prepared from the corresponding 7-iodonucleosides 2d, 3d, or 4d employing the palladium-catalyzed Sonogashira cross-coupling reaction. The 7-halogenated 2-amino-7-deazapurine ribonucleosides with a reactive 6-chloro substituent (18b-d) were synthesized in an alternative way using nucleobase-anion glycosylation performed on the 7-halogenated 2-arnino-6-chloro-7-deazapurines 13b-d with 5-0-[(1,1dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-alpha-D-ribofuranosyl chloride (17). Compounds 18b-d have been converted to the nucleosides 19b-d carrying reactive substituents in the pyrimidine moiety. Conformational analysis of selected nucleosides on the basis of proton coupling constants and using the program PSEUROT showed that these ribonucleosides exist in a preferred S conformation in solution.

  DOI：

  10.1021/jo0516640
• 作为产物：
  描述：

  在 三氟甲磺酸三甲基硅酯 作用下， 以 甲醇 、 乙腈 为溶剂， 反应 24.0h， 生成 2-amino-5-iodo-4-methoxy-7-(β-D-ribofuranosyl)-7H-pyrrolo-[2,3-d]pyrimidine
  参考文献：
  名称：

  7-Functionalized 7-Deazapurine Ribonucleosides Related to 2-Aminoadenosine, Guanosine, and Xanthosine:  Glycosylation of Pyrrolo[2,3-d]pyrimidines with 1-O-Acetyl-2,3,5-tri-O-benzoyl-d-ribofuranose

  摘要：

  The Silyl-Hilbert-Johnson reaction as well as the nucleobase-anion glycosylation of a series of 7-deazapurines has been investigated, and the 7-functionalized 7-deazapurine ribonucleosides were prepared. Glycosylation of the 7-halogenated 6-chloro-2-pivaloylamino-7-deazapurines 9b-d with 1-O-acetyl2,3,5-tri-O-benzOyl-D-ribofuranose (5) gave the beta-D-nucleosides 11b-d (73-75% yield), which were transformed to a number of novel 7-halogenated 7-deazapurine ribonucleosides (2b-d, 3b-d, and 4b-d) related to guanosine, 2-aminoadenosine, and xanthosine. 7-Alkynyl derivatives (2e-i, 3e-h, or 4g) have been prepared from the corresponding 7-iodonucleosides 2d, 3d, or 4d employing the palladium-catalyzed Sonogashira cross-coupling reaction. The 7-halogenated 2-amino-7-deazapurine ribonucleosides with a reactive 6-chloro substituent (18b-d) were synthesized in an alternative way using nucleobase-anion glycosylation performed on the 7-halogenated 2-arnino-6-chloro-7-deazapurines 13b-d with 5-0-[(1,1dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-alpha-D-ribofuranosyl chloride (17). Compounds 18b-d have been converted to the nucleosides 19b-d carrying reactive substituents in the pyrimidine moiety. Conformational analysis of selected nucleosides on the basis of proton coupling constants and using the program PSEUROT showed that these ribonucleosides exist in a preferred S conformation in solution.

  DOI：

  10.1021/jo0516640

文献信息

• 7-去氮-7-卤素鸟嘌呤核苷的合成方法
  申请人：上海交通大学

  公开号：CN103819523B

  公开（公告）日：2016-02-10

  本发明公开了一种7-去氮-7-卤素鸟嘌呤核苷的合成方法；所述方法包括如下步骤：式(III)化合物在碱性条件下去保护基得式(IV1)或(IV2)化合物；进一步去甲基得式(I)化合物，即所述7-去氮-7-卤素鸟嘌呤核苷；其中，R1为H或OH，R2为I、Br或Cl，R3为H或本发明合成的7-去氮-7-卤素-鸟嘌呤核苷是在DNA测序、标记、延伸等生物学领域广泛使用的基本原料，目前其销售价格很高，且合成方法复杂，难以控制；而本发明的合成方法所需原料简单易得，合成过程均为常规化学反应，可用于大规模推广使用。
• Genetic Code Expansion Facilitates Position‐Selective Labeling of RNA for Biophysical Studies
  作者：Andreas Hegelein、Diana Müller、Sylvester Größl、Michael Göbel、Martin Hengesbach、Harald Schwalbe

  DOI：10.1002/chem.201904623

  日期：2020.2.6

  synthesizing the genetic code with high fidelity. Nucleic acid building blocks that are orthogonal to the canonical A‐T and G‐C base‐pairs are therefore uniquely suitable to facilitate position‐specific labeling of nucleic acids. Here, we employ the orthogonal kappa‐xanthosine‐base‐pair for in vitro transcription of labeled RNA. We devised an improved synthetic route to obtain the phosphoramidite of the

  大自然依赖于高保真度地读取和合成遗传密码。因此，与规范的 A-T 和 G-C 碱基对正交的核酸构件特别适合促进核酸的位置特异性标记。在这里，我们使用正交 kappa-黄苷碱基对进行标记 RNA 的体外转录。我们设计了一种改进的合成路线，在固相合成中获得 kappa 核苷脱氧形式的亚磷酰胺。通过该 DNA 模板，我们证明了体外转录过程中黄嘌呤核苷的可靠掺入。使用核磁共振波谱法，我们表明黄嘌呤核苷仅在 RNA 螺旋中引入微小的结构变化。我们还合成了一种可点击的 7-脱氮黄苷，它允许用荧光团或其他标签对转录的 RNA 分子进行位点特异性修饰。
• Glycosylation of Pyrrolo[2,3-<i>d</i>]pyrimidines with 1-<i>O</i>-Acetyl-2,3,5-tri-<i>O</i>-benzoyl-β-<scp>d</scp>-ribofuranose: Substituents and Protecting Groups Effecting the Synthesis of 7-Deazapurine Ribonucleosides
  作者：Sachin A. Ingale、Peter Leonard、Frank Seela

  DOI：10.1021/acs.joc.8b00343

  日期：2018.8.3

  synthesis of 7-deazaguanosine employing pivaloylated 2-amino-6-chloro-7-deazapurine gave 18% glycosylation yield. The less bulky isobutyryl or acetyl protected amino group directed the glycosylation toward the exocyclic amino substituent. 7-Halogenated intermediates were glycosylated followed by dehalogenation to overcome the low glycosylation yield in the synthesis of 7-deazaguanosine.

  非官能化的6-氯-7-脱氮嘌呤与市售的1 - O-乙酰基-2,3,5-三-O-苯甲酰基-β - d-呋喃呋喃糖（45％）进行糖基化，然后胺化和脱保护，仅得到两种形式的结核菌素脚步。应用类似的条件，采用吡咯烷基化的2-氨基-6-氯-7-脱氮嘌呤合成7-脱氮鸟嘌呤，可以得到18％的糖基化产率。较小体积的异丁酰基或乙酰基保护的氨基将糖基化指向环外氨基取代基。将7-卤代中间体糖基化，然后脱卤以克服7-脱氮鸟苷合成中低糖基化产率。
• An Efficient Synthesis Of 7-Functionalized 7-Deazapurine β-D- Or β-L-Ribonucleosides: Glycosylation Of Pyrrolo[2,3-D]Pyrimidines With 1-O-Acetyl-2,3,5-Tri-O-Benzoyl-D-Or L-Ribofuranose
  作者：Xiaohua Peng、Frank Seela

  DOI：10.1080/15257770701490332

  日期：2007.11.26

  The glycosylation reaction performed with 7-halogenated 7-deazapurines employing commercially available 1-O-acetyl-2,3,5-tri-O-benzoyl-D- or L-ribofuranoses is described.

  描述了使用可商购的1-O-乙酰基-2,3,5-三-O-苯甲酰基-D-或L-呋喃呋喃糖酶用7-卤代7-脱氮嘌呤进行的糖基化反应。
• Synthesis and Properties of 2′-OMe-RNAs Modified with Cross-Linkable 7-Deazaguanosine Derivatives
  作者：Ken Yamada、Yusuke Abe、Hirotaka Murase、Yuta Ida、Shinya Hagihara、Fumi Nagatsugi

  DOI：10.1021/acs.joc.8b01002

  日期：2018.8.17

  successfully incorporated into 2′-OMe-RNA oligonucleotides by solid-phase oligonucleotide synthesis. Analysis of their cross-link properties revealed that the 7-propynyl substituent on ADpVP induces a significant enhancement of the cross-link kinetics of the proximal 6-vinyl group to the complementary uracil base in the target RNA compared to that of ADVP. In addition, the 2′-OMe-RNA oligonucleotide containing

  合成了可交联的7-脱氮-6-乙烯基鸟苷（ADVP）和7-丙炔基-7-脱氮-6-乙烯基鸟苷（ADpVP）衍生物，并通过固相寡核苷酸合成成功地将其掺入2'-OMe-RNA寡核苷酸中。对它们的交联性质的分析表明，与ADVP相比，ADpVP上的7-丙炔基取代基可诱导靶RNA中近端6-乙烯基与互补尿嘧啶碱基的交联动力学显着增强。另外，与ADVP相比，含有ADpVP的2'-OMe-RNA寡核苷酸对细胞裂解物中的萤光素酶产生表现出更高的反义作用。这些结果表明7-取代的7-脱氮基-6-乙烯基鸟苷衍生物可用作有效的交联剂，以靶向细胞内部的mRNA。