methyl L-arabinofuranoside | 13039-64-0

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: methyl L-arabinofuranoside
• 英文别名: Methyl l-arabinofuranoside；(2S,3R,4R)-2-(hydroxymethyl)-5-methoxyoxolane-3,4-diol
• CAS: 13039-64-0
• 化学式: C₆H₁₂O₅
• 分子量: 164.158
• InChiKey: NALRCAPFICWVAQ-NSHGFSBMSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -1.6
• 重原子数：
  11
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  79.2
• 氢给体数：
  3
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  methyl L-arabinofuranoside 在 吡啶 、 sodium hydroxide 、 硫酸 、 ethanol; compound with boron fluoride 作用下， 以 甲醇 、 二氯甲烷 、 溶剂黄146 为溶剂， 生成 4-硝基苯基-ALPHA-L-阿拉伯糖甙
  参考文献：
  名称：

  Enzymatic synthesis of alkyl arabinofuranosides using a thermostable α-l-arabinofuranosidase

  摘要：

  A thermostable alpha-L-arabinofuranosidase was tested for its ability to perform transglycosylation with different alcohol acceptors. Reactions were characterized by high rates with optimal synthesis being obtained within 10 min. Both primary and secondary alcohols could act as acceptors in transarabinosylation but yields of alkyl arabinosides decreased with increasing alkyl chain length. (C) 2002 Elsevier Science Ltd. All rights reserved.

  DOI：

  10.1016/s0040-4039(02)02381-x
• 作为产物：
  描述：

  甲醇 、 L-lyxose 在 乙酰氯 作用下， 生成 methyl L-arabinofuranoside
  参考文献：
  名称：

  糖基化Genipin衍生物作为新型抗病毒剂，杀虫剂和杀真菌剂的发现。

  摘要：

  设计并合成了一系列新颖的Genipin糖苷衍生物，该衍生物在Genipin的1或10位上包含11个糖苷部分。这些化合物显示出对烟草花叶病毒的中等至优异的抑制活性。特别地，化合物6e，7c，7d，7f，7h和7i的体外和体内活性与利巴韦林相当。特别是化合物7c，Genipin的甘露糖基衍生物在10位上，表现出最好的活性。该系列的京尼平糖基衍生物还显示出对14种植物致病真菌的杀真菌活性，特别是对谷物弹状根病菌和核盘菌（Sclerotiania sclerotiorum）。而且，化合物6h对小菜蛾显示出良好的杀虫活性。化合物7b，7c和7g对三种鳞翅目害虫（东方粘虫，棉铃虫和玉米bore）表现出中等的杀虫活性。化合物7e表现出优异的杀灭蚊子的幼虫活性。

  DOI：

  10.1021/acs.jafc.7b05861

文献信息

• Biosynthetic Origin of the Atypical Stereochemistry in the Thioheptose Core of Albomycin Nucleoside Antibiotics
  作者：Richiro Ushimaru、Hung-wen Liu

  DOI：10.1021/jacs.8b12565

  日期：2019.2.13

  d-ribofuranose ring and an l-amino acid moiety. The conversion of l-to d-amino acid configuration is catalyzed by the PLP-dependent epimerase AbmD. The d- ribo to d- xylo conversion of the thiofuranose ring appears according to gene deletion experiments to be mediated by AbmJ, which is annotated as a radical S-adenosyl-l-methionine (SAM) enzyme. These studies establish several key steps in the assembly of the

  白霉素是肽基硫代核苷天然产物，对临床上重要的病原体显示出抗菌活性。它们的结构以具有非典型立体化学的硫庚糖为特征，包括用 d-氨基酸部分修饰的 d-呋喃木糖环。在本文中证明，AbmH 是一种依赖于 5'-磷酸 (PLP) 的吡哆醛转醛缩酶，其催化苏式选择性醛醇型反应以生成具有 d-呋喃核糖环和 l-氨基酸部分的硫庚糖核心。L-氨基酸构型向d-氨基酸构型的转化由PLP依赖性差向异构酶AbmD催化。根据基因缺失实验，硫代呋喃糖环从 d-核糖到 d-木糖的转化似乎是由 AbmJ 介导的，AbmJ 被注释为自由基 S-腺苷-l-甲硫氨酸 (SAM) 酶。
• METHOD FOR PRODUCING THIOLANE SKELETON-TYPE GLYCOCONJUGATE, AND THIOLANE SKELETON-TYPE GLYCOCONJUGATE
  申请人：FUJIFILM Corporation

  公开号：US20160355536A1

  公开（公告）日：2016-12-08

  There is provided a production method of a compound represented by the following formula (II) through a step of reacting a compound represented by the following General Formula (I) with a sulfur compound. In General Formulas (I) and (II), R 1 represents a hydrogen atom or an acyl group, R 2 represents a hydrogen atom, a fluorine atom, an acyloxy group, an arylmethyloxy group, an allyloxy group, an arylmethyloxycarbonyloxy group, or an allyloxycarbonyloxy group, R 3 represents a hydrogen atom or an acyloxy group, R 5 represents an alkyl group or an aryl group, and X represents a leaving group. Here, in a case where R 2 is a fluorine atom, an acyloxy group, an arylmethyloxy group, an allyloxy group, an arylmethyloxycarbonyloxy group, or an allyloxycarbonyloxy group, R 3 is an acyloxy group.

  提供了一种通过将通用式（I）表示的化合物与硫化合物反应的步骤来制备通式（II）表示的化合物的生产方法。在通式（I）和（II）中，R1代表氢原子或酰基，R2代表氢原子、氟原子、酰氧基、芳基甲氧基、烯丙氧基、芳基甲氧羰氧基或烯丙氧羰氧基，R3代表氢原子或酰氧基，R5代表烷基或芳基，X代表离去基团。在R2为氟原子、酰氧基、芳基甲氧基、烯丙氧基、芳基甲氧羰氧基或烯丙氧羰氧基的情况下，R3为酰氧基。
• Synthesis of spirostanol saponins via gold(I)‐catalyzed glycosylation in the presence of Ga(OTf) ₃ , In(OTf) ₃ , or HOTf
  作者：Teddy Stephen Ehianeta、Dacheng Shen、Peng Xu、Biao Yu

  DOI：10.1002/cjoc.201900126

  日期：2019.8

  gold(I)‐catalyzed glycosylation has been reported in the synthesis of a panel of the representative natural spirostanol saponins, namely polyphyllin D (1), polyphyllin V (2), dioscin (3), formosanin C (4), and a derivative of polyphyllin D bearing a terminal azide group (5). This approach highlights the engagement of low loadings of Ph3AuPOTf (≤ 0.5 mol%) in the presence of Ga(OTf)3, In(OTf)3, or HOTf

  An effective approach relying on a Lewis acid‐ or Brønsted acid‐assisted gold(I)‐catalyzed glycosylation has been reported in the synthesis of a panel of the representative natural spirostanol saponins, namely polyphyllin D (1), polyphyllin V (2), dioscin (3), formosanin C (4), and a derivative of polyphyllin D bearing a terminal azide group (5). This approach highlights the engagement of low loadings
• [EN] MODIFIED OLIGOMERIC COMPOUNDS AND USES THEREOF<br/>[FR] COMPOSÉS OLIGOMÈRES MODIFIÉS ET LEURS UTILISATIONS
  申请人：IONIS PHARMACEUTICALS INC

  公开号：WO2021030763A1

  公开（公告）日：2021-02-18

  The present disclosure provides oligomeric compounds comprising a modified oligonucleotide having at least one stereo-non-standard nucleoside. An oligomeric compound comprising a modified oligonucleotide consisting of 12-30 linked nucleosides, wherein at least one nucleoside of the modified oligonucleotide is a stereo-non-standard nucleoside; and wherein the oligomeric compound is selected from among an RNAi compound, a modified CRISPR compound, and an artificial mRNA compound.

  本公开提供了包含至少一种立体非标准核苷酸的修饰寡核苷酸的寡聚化合物。包括由12-30个连接的核苷酸组成的修饰寡核苷酸的寡聚化合物，其中修饰寡核苷酸的至少一个核苷酸是立体非标准核苷酸；且所述寡聚化合物选自RNAi化合物、修饰CRISPR化合物和人工mRNA化合物。
• N.m.r. spectral study of α- and β-l-arabinofuranosides
  作者：Kenji Mizutani、Ryoji Kasai、Midori Nakamura、Osamu Tanaka、Hiromichi Matsuura

  DOI：10.1016/0008-6215(89)84018-2

  日期：1989.1

  -arabinofuranosides of various aliphatic alcohols were synthesized and then investigated by n.m.r. spectroscopy. The 13 C-n.m.r. glycosylation shift of these l -arabinofuranosides is very similar to that of l -arabinopyranosides and other glycopyranosides reported previously. The 3 J H-1,H-2 value of these α- l -arabinofuranosides is significantly different from that of the β anomers and can be used

  摘要合成了各种脂肪醇的1-阿拉伯呋喃糖苷的端基异构对，然后通过核磁共振波谱研究。这些1-阿拉伯呋喃糖苷的13 Cn.mr糖基化转变与先前报道的1-阿拉伯吡喃果糖苷和其他糖吡喃糖苷的转变非常相似。这些α-1-阿拉伯呋喃糖苷的3 J H-1，H-2值与β端基异构体的3 J H-1，H-2值显着不同，可用于确定端基构型。然而，与糖吡喃糖苷的情况相反，1-阿拉伯呋喃糖苷的每个异头异构系列的1 J C-1，H-1值彼此非常相似。还通过核磁共振波谱研究了一些含有1-阿拉伯呋喃糖苷单元的二糖。