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pent-4-enyl 3,4,6-tri-O-benzyl-α-D-mannopyranoside | 123487-56-9

中文名称
——
中文别名
——
英文名称
pent-4-enyl 3,4,6-tri-O-benzyl-α-D-mannopyranoside
英文别名
4-pentenyl 3,4,6-tri-O-benzyl-α-D-mannopyranoside;n-pentenyl 3,4,6-tri-O-benzyl-α-D-mannopyranoside;(2S,3S,4R,5R,6R)-2-pent-4-enoxy-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-3-ol
pent-4-enyl 3,4,6-tri-O-benzyl-α-D-mannopyranoside化学式
CAS
123487-56-9
化学式
C32H38O6
mdl
——
分子量
518.65
InChiKey
HVXOOHMXLXZLGD-BQCXQQNKSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

物化性质

  • 沸点:
    644.8±55.0 °C(Predicted)
  • 密度:
    1.16±0.1 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    5
  • 重原子数:
    38
  • 可旋转键数:
    15
  • 环数:
    4.0
  • sp3杂化的碳原子比例:
    0.38
  • 拓扑面积:
    66.4
  • 氢给体数:
    1
  • 氢受体数:
    6

上下游信息

  • 上游原料
    中文名称 英文名称 CAS号 化学式 分子量
  • 下游产品
    中文名称 英文名称 CAS号 化学式 分子量

反应信息

  • 作为反应物:
    描述:
    pent-4-enyl 3,4,6-tri-O-benzyl-α-D-mannopyranoside吡啶 、 bis(collidine)iodonium perchlorate 、 氢氟酸 作用下, 以 二氯甲烷 为溶剂, 以42%的产率得到3,4,6-tri-O-benzyl-α-D-mannopyranosyl fluoride
    参考文献:
    名称:
    由 NIS/HF-吡啶或 Et3N·3HF 介导的部分未保护硫糖苷快速转化为糖基氟化物
    摘要:
    在 HF-吡啶存在下用 NIS 处理可以方便地将部分未保护的苯基 1-硫代糖苷转化为糖基氟。还使用了其他卤离子源,例如 NBS、IDCP。当存在对酸敏感的取代基时,NIS/Et3N·3HF 组合(其中三乙胺-三(氟化氢)(Et3N·3HF)代替 HF-吡啶)也可以影响这种转化。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)
    DOI:
    10.1002/ejoc.200800754
  • 作为产物:
    参考文献:
    名称:
    Intramolecular C-glycosylation of 2-O-benzylated pentenyl mannopyranosides: remarkable 1,2-trans stereoselectivity
    摘要:
    The IDCP-promoted intramolecular C-glycosylation of pentenyl alpha-mannopyranosides carrying, at O-2, an activated benzyl group gave, unexpectedly, the 1,2-trans-fused bicyclic product which corresponds to an alpha-C-aryl mannopyranose derivative. This remarkable, strained C-glycosyl compound was rapidly epimerized to the more stable 1,2-cis product on treatment with BF3.Et2O. The IDCP-reaction product could be elaborated into a 2-(alpha-C-mannopyranosyl)-3,4,5-trimethoxybenzyl alcohol derivative. (C) 2003 Elsevier Ltd. All rights reserved.
    DOI:
    10.1016/j.tetlet.2003.10.006
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文献信息

  • IPy<sub>2</sub>BF<sub>4</sub>/HF-Pyridine:  A New Combination of Reagents for the Transformation of Partially Unprotected Thioglycosides and <i>n</i>-Pentenyl Glycosides to Glycosyl Fluorides
    作者:J. Cristóbal López、Paloma Bernal-Albert、Clara Uriel、Serafín Valverde、Ana M. Gómez
    DOI:10.1021/jo7018653
    日期:2007.12.1
    The combination of bis(pyridinium)iodonium (I) tetrafluoroborate (IPy2BF4), and hydrogen fluoride pyridine (HF-py) forms an iodine monofluoride (IF) synthetic equivalent that can be used in the preparation of partially unprotected glycosyl fluorides from partially unprotected n-pentenyl glycosides and thioglycosides, thus avoiding the need for the protection/deprotection steps normally required in
    四氟硼酸双(吡啶)碘鎓(I)(IPy 2 BF 4)和氟化氢吡啶(HF-py)的组合形成碘一氟化物(IF)合成等价物,可用于制备部分未保护的糖基氟化物部分未保护的正戊烯基糖苷和巯基糖苷,因此避免了通常需要在该转化中进行的保护/去保护步骤。
  • Glycosyl fluorides from <i>n</i>-pentenyl-related glycosyl donors — Application to glycosylation strategies
    作者:Bert Fraser-Reid、J. Cristobal Lopez、Paloma Bernal-Albert、Ana M. Gomez、Clara Uriel、Juan Ventura
    DOI:10.1139/cjc-2012-0285
    日期:2013.1
    fluorides by a variety of methods. In the case of NPGs, Barluenga’s reagent, bis(pyridinium)iodonium(I)tetrafluoroborate (IPy2BF4), gives good yields of glycosyl fluorides when HF–pyridine complex is used as an additional fluoride source. NPOEs can be activated either by a combination of electrophilic iodonium (Barluenga’s reagent) and HBF4 or by the action of HF–pyridine complex. The ensuing glycosyl
    正戊烯基糖苷 (NPG) 和正戊烯基原酸酯 (NPOE) 已通过多种方法转化为糖基氟。在 NPG 的情况下,当使用 HF-吡啶复合物作为额外的氟化物来源时,Barluenga 试剂双(吡啶鎓)碘鎓(I)四氟硼酸盐(IPy2BF4)可产生良好的糖基氟化物产率。NPOE 可以通过亲电子碘鎓(Barluenga 试剂)和 HBF4 的组合或通过 HF-吡啶复合物的作用被激活。当遇到 NPG 时,随之而来的糖基氟化物会形成一对半正交的糖基供体。
  • Novel silylating agents employing 4-pentenyl silyl ethers
    作者:Caroline Colombier、Troels Skrydstrup、Jean-Marie Beau
    DOI:10.1016/0040-4039(94)88273-8
    日期:1994.10
    Nonsymmetrical silaketals R′OSiR2OR″ other than R = Me were efficiently prepared by the activation of 4-pentenyl silyl ethers with IDCP in the presence of an alcohol. In addition, trialkylsilyl ethers could be prepared from the corresponding trialkylsilyl pentenyl ether.
    通过在醇存在下用IDCP活化4-戊烯基甲硅烷基醚,可以有效地制备除R = Me以外的非对称硅烷基R'OSiR 2 OR”。另外,三烷基甲硅烷基醚可以由相应的三烷基甲硅烷基戊烯基醚制备。
  • Optimization of Glycosylation Reactions in a Microreactor
    作者:Karolin Geyer、Peter H. Seeberger
    DOI:10.1002/hlca.200790046
    日期:2007.2
    Glycosylations are notoriously difficult reactions that require extensive optimization regarding the type of anomeric leaving group, solvent, reaction temperature, and reaction time. Described is the use of a silicon-based microreactor to screen reaction conditions and to scale-up synthetic procedures. For the first time, glycosyl phosphates were employed in a microreactor. The optimized reaction conditions
    众所周知,糖基化是困难的反应,需要对异头离去基团的类型,溶剂,反应温度和反应时间进行大量优化。描述了使用基于硅的微反应器来筛选反应条件并扩大合成程序。第一次,将糖基磷酸酯用于微反应器中。优化的反应条件已成功转移到分批过程中。
  • Ni(II)-Catalyzed Regio- and Stereoselective O-Alkylation for the Construction of 1,2-<i>cis</i>-Glycosidic Linkages
    作者:Yingle Feng、Tiantian Guo、Han Yang、Guoqiang Liu、Qi Zhang、Shengyong Zhang、Yonghai Chai
    DOI:10.1021/acs.orglett.2c02419
    日期:2022.9.2
    A transition-metal-catalyzed O-alkylation for the regio- and stereoselective construction of 1,2-cis-glycosidic linkages is presented. With nonprecious and readily available Ni(II) as a catalyst, 1,2-cis-glycosides were obtained via O-alkylation of 1,2-carbohydrate diols that can be accessed in a small number of steps. The tedious design of protecting groups or anomeric leaving groups could be avoided
    提出了一种用于区域选择性和立体选择性构建 1,2-顺式-糖苷键的过渡金属催化的O-烷基化。使用非贵重且易于获得的 Ni(II) 作为催化剂,通过 1,2-碳水化合物二醇的O-烷基化可通过少量步骤获得1,2-顺式糖苷。这种方法可以避免繁琐的保护基团或异头离去基团的设计。该策略用于有效制备重要的商业化糖苷相容性溶质 GG、其衍生物 MGG 和支链 α-葡聚糖。
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