methyl 4-O-(β-D-galactopyranosyl)-1-thio-β-D-glucopyranoside | 104006-51-1

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: methyl 4-O-(β-D-galactopyranosyl)-1-thio-β-D-glucopyranoside
• 英文别名: methyl 4-O-β-D-galactopyranosyl-1-thio-β-D-glucopyranoside；methyl 1-thio-β-D-lactoside；methyl 1-thiolactoside
• CAS: 104006-51-1
• 化学式: C₁₃H₂₄O₁₀S
• 分子量: 372.394
• InChiKey: GBQYHCHWMNMZID-BMZCSVJBSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -4.03
• 重原子数：
  24.0
• 可旋转键数：
  5.0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  169.3
• 氢给体数：
  7.0
• 氢受体数：
  11.0

反应信息

• 作为反应物：
  描述：

  methyl 4-O-(β-D-galactopyranosyl)-1-thio-β-D-glucopyranoside 在 sodium hydride 、 对甲苯磺酸 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 2.0h， 生成 (4aR,6S,7R,8S,8aS)-7,8-Bis-benzyloxy-6-((2R,3R,4S,5R,6S)-4,5-bis-benzyloxy-2-benzyloxymethyl-6-methylsulfanyl-tetrahydro-pyran-3-yloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine
  参考文献：
  名称：

  Synthesis of Oligosaccharide Structures from the Lipopolysaccharide of Moraxella catarrhalis

  摘要：

  The synthesis of the octasaccharide [p-(trifluoroacetamido)phenyl]ethyl 4-O-[2-O-(2-acetamido-2-deoxy-alpha-D-glucopyranosyl)-beta-D-glucopyranosyl]-6-O-[2-O-[4-O-(4-O-alpha-D-galactopyranosyl-beta-D-galactopyranosyl)-alpha-D-glucopyranosyl]-beta-D-glucopyranosyl]-3-O-beta-D-glucopyranosyl-alpha-D-glucopyranoside, representing the outer part of the lipooligosaccharide from Moraxella catarrhalis serotype A, is described, together with a hepta-, a hexa-, and a pentasaccaride, composing parts thereof with shorter oligosaccharide chains substituted in the g-position of the central 3,4,6-branched glucose moiety. The versatility of the use of thioglycosides in oligosaccharide synthesis is shown, since throughout the synthesis thioglycosides are used as glycosyl donor precursors, either directly in dimethyl(methylthio)sulfonium triflate (DMTST)-promoted coupling reactions or after conversion to the corresponding glycosyl bromide in silver triflate-promoted couplings. The effects of different protecting groups, anomeric leaving groups, and solvents used in the various coupling reactions are often substantial, which necessitates the use of easily convertible intermediates.

  DOI：

  10.1021/jo960789p
• 作为产物：
  描述：

  1',2',3',6',2,3,4,6-octa-O-acetyl-β-D-lactose 在 三氟化硼乙醚 、 sodium methylate 甲醇 作用下， 以 二氯甲烷 为溶剂， 反应 24.42h， 生成 methyl 4-O-(β-D-galactopyranosyl)-1-thio-β-D-glucopyranoside
  参考文献：
  名称：

  Stereoselective Synthesis oftrans-1,2-Di-O-acetyl Glycoses

  摘要：

  通过用乙酸三甲基甲硅烷基酯处理，可以以高度立体选择性的方式将吡喃己糖的1,2-O-(1-甲氧基亚乙基)衍生物转化为相应的反式-1,2-二乙酸酯。 O-乙酰基、O-苄基和O-异亚丙基在反应条件下是稳定的。

  DOI：

  10.1055/s-1990-26995

文献信息

• A simple one-pot method for the synthesis of partially protected mono- and disaccharide building blocks using an orthoesterification–benzylation–orthoester rearrangement approach
  作者：Balaram Mukhopadhyay、Robert A Field

  DOI：10.1016/s0008-6215(03)00349-5

  日期：2003.9

  A simple one-pot method is reported for making partially protected glycosyl acceptors from O-methyl or S-alkyl/aryl glycosides of D-glucose, D-galactose, D-arabinose, L-rhamnose, L-fucose and lactose via orthoester formation, benzylation and selective hydrolysis.

  报道了一种简单的一锅法，其通过原酸酯形成由D-葡萄糖，D-半乳糖，D-阿拉伯糖，L-鼠李糖，L-岩藻糖和乳糖的O-甲基或S-烷基/芳基糖苷制备部分受保护的糖基受体。 ，苄基化和选择性水解。
• Stannylene-Mediated Regioselective 6-<i>O</i>-Glycosylation of Unprotected Phenyl 1-Thioglycopyranosides
  作者：Agnese Maggi、Robert Madsen

  DOI：10.1002/ejoc.201300026

  日期：2013.5

  straightforward procedure is described for the synthesis of (16)-linked saccharides by regioselective glycosylation of unprotected glycosyl acceptors. Phenyl 1-thioglycopyranosides derived from D-glucose, D-galactose and D-mannose were treated with dibutyltin oxide to introduce a stannylene acetal, and then subjected to selective glycosylation at the 6-position with the Koenigs–Knorr protocol. Peracylated glycosyl

  描述了通过未受保护的糖基受体的区域选择性糖基化合成 (16) 连接的糖类的简单程序。衍生自 D-葡萄糖、D-半乳糖和 D-甘露糖的苯基 1-巯基吡喃糖苷用氧化二丁基锡处理以引入亚锡基缩醛，然后使用 Koenigs-Knorr 方案在 6 位进行选择性糖基化。D-葡萄糖、D-半乳糖、D-甘露糖和D-葡糖胺的过酰化糖基溴化物用作供体，以中等至良好的产率得到相应的(16)-连接的二糖。使用衍生自 D-葡萄糖和 D-半乳糖的糖基供体和受体获得最佳结果。完全酰化的二糖硫糖苷也可以作为区域选择性偶联的糖基供体。
• A Through-process for the Preparation of Methyl Per-<i>O</i>-acetyl 1-Thio-glycosides from Aldoses
  作者：Shinkiti Koto、Toyosaku Yoshida、Kazuhiro Takenaka、Shonosuke Zen

  DOI：10.1246/bcsj.55.3667

  日期：1982.11

  d-Glucose, d-galactose, d-mannose, d-xylose, l-arabinose, l-fucose, l-rhamnose, maltose, cellobiose, lactose, d-glucosamine, d-galactosamine, and d-mannosamine were converted into the corresponding methyl per-O-acetyl 1-thioglycopyranosides by way of a three-step (acetobromination, methylthioation, and acetylation) through-process in a single vessel.

  d-葡萄糖、d-半乳糖、d-甘露糖、d-木糖、l-阿拉伯糖、l-岩藻糖、l-鼠李糖、麦芽糖、纤维二糖、乳糖、d-葡萄糖胺、d-半乳糖胺和d-甘露糖胺通过一个反应器经过三步（溴乙酰化、甲硫化和乙酰化）转化为相应的甲基全乙酰化1-硫代糖呋喃糖苷。
• Synthesis of the methyl and 1-octyl glycosides of the P-antigen tetrasaccharide (globotetraose)
  作者：Karin Leontein、Marianne Nilsson、Thomas Norberg

  DOI：10.1016/s0008-6215(00)90671-2

  日期：1985.12

  The methyl and 1-octyl beta-glycosides of the P-antigen tetrasaccharide [globotetraose, beta-D-GalpNAc-(1----3)-alpha-D-Galp-(1----4)-beta-D-Galp-(1----4) -D-Glc] were synthesised from a tetrasaccharide precursor, prepared using methyl disaccharide 1-thioglycosides as intermediates. In the key glycosidation with silver triflate, HO-2 was used as an alpha-directing group in the glycosyl bromide.

  P-抗原四糖[globotetraose，beta-D-GalpNAc-（1 ---- 3）-alpha-D-Galp-（1 ---- 4）-beta-的甲基和1-辛基β-糖苷由四糖前体合成了D-Galp-（1 ---- 4）-D-Glc]，该前体是使用甲基二糖1-硫代糖苷为中间体制备的。在三氟甲磺酸银的关键糖苷化中，HO-2被用作糖基溴化物中的α-导向基团。
• Synthetic oligosaccharides related to group B streptococcal polysaccharides. 5. Combined chemical and enzymic synthesis of a pentasaccharide repeating unit of the capsular polysaccharide of type III group B Streptococcus and one- and two-dimensional NMR spectroscopic studies
  作者：Vince Pozsgay、Jean Robert Brisson、Harold J. Jennings、Steve Allen、James C. Paulson

  DOI：10.1021/jo00010a037

  日期：1991.5

  A combination of chemical and enzymatic methods is described for the synthesis of the branching pentasaccharide 3-OMe-beta-D-Galp-(1 --> 4)-beta-D-Glcp-(1 --> 6)-[alpha-D-Neup5Ac-(2 --> 3)-beta-D-Galp-(1 --> 4)]-beta-D-GlcpNAc-OMe (4). Pentasaccharide 4, represents a complete repeating unit of the capsular polysaccharide of type III group B Streptococci, which will be used as a molecular probe in the study of the fine specificities of carbohydrate-protein interactions. Key intermediate was the alcohol methyl 2-acetamido-3-O-benzyl-2-deoxy-6-O-(4-methoxy-benzyl)-beta-D-glucopyranoside (9), which was beta-D-galactosylated and chemoselectively deprotected to provide the beta-D-Galp-beta-D-GlcpNAc acceptor block 13. Two approaches are described for the synthesis of the beta-D-Galp-(1 --> 4)-beta-D-Glcp donor block 17, which was coupled to acceptor 13 under the agency of trimethylsilyl trifluoromethanesulfonate. Removal of the blocking groups from the fully protected tetrasaccharide 24 by transesterification and hydrogenolysis provided tetrasaccharide 5, which was sialylated enzymatically using a specific rat liver sialyltransferase to provide pentasaccharide 4. Complete assignment of the H-1 and C-13 NMR spectra of the tetra-5 and pentasaccharide 4 is presented, and their carbon spin-lattice relaxation times (T1) are also reported.