(4-isopropylbenzyloxy)-trimethylsilane | 71700-48-6

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 异戊烯醇脂质
• 英文名称: (4-isopropylbenzyloxy)-trimethylsilane
• 英文别名: 4-iso-propylbenzyl trimethylsilyl ether；4-Me2CHC6H4CH2OH；4-Me2CHC6H4CH2OTMS；Trimethyl-[(4-propan-2-ylphenyl)methoxy]silane
• CAS: 71700-48-6
• 化学式: C₁₃H₂₂OSi
• 分子量: 222.403
• InChiKey: BDNNSLZCLBZTBT-UHFFFAOYSA-N

物化性质

• 沸点：
  73 °C(Press: 4.5 Torr)
• 密度：
  0.898±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.16
• 重原子数：
  15
• 可旋转键数：
  4
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.54
• 拓扑面积：
  9.2
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  (4-isopropylbenzyloxy)-trimethylsilane 在 cobalt(II) benzoate N-羟基邻苯二甲酰亚胺 、 氧气 作用下， 以 乙腈 为溶剂， 反应 0.33h， 以89%的产率得到4-异丙基苯甲醛
  参考文献：
  名称：

  N-羟基邻苯二甲酰亚胺（NHPI）和亲脂性Co（II）络合物催化的甲硅烷基醚高效好氧氧化为羰基化合物的新方法。

  摘要：

  在这项工作中，一种在N-羟基邻苯二甲酰亚胺（NHPI）和各种类型的Co的存在下，使用分子氧对多种结构多样的三甲基甲硅烷基（TMS）和叔丁基二甲基甲硅烷基（TBS）醚进行高效且选择性氧化脱保护的新方法（二）络合物的报道。作为相对中性的反应介质的结果，酸敏感性官能团例如酚类TBS醚在提出的反应条件下完整保存。

  DOI：

  10.1021/ol049294+
• 作为产物：
  描述：

  Sodium;hydroxy-(4-propan-2-ylphenyl)methanesulfonate 、 六甲基二硅氮烷 在 sodium tetrahydroborate 、 montmorillonite K-10 作用下， 以 乙腈 为溶剂， 反应 0.13h， 以98%的产率得到(4-isopropylbenzyloxy)-trimethylsilane
  参考文献：
  名称：

  A Novel and Highly Efficient Method for the Direct Conversion of Aryl Aldehyde Bisulfite Adducts to their Aryl Trimethylsilyl Ethers in a One-Pot Manner Catalyzed by Montmorillonite K-10

  摘要：

  A new, convenient, and chemoselective method has been developed for the one-pot conversion of aryl aldehyde bisulfite adducts to the corresponding trimethylsilyl ethers.

  DOI：

  10.1080/104265090969009

文献信息

• Rice husk: Introduction of a green, cheap and reusable catalyst for the protection of alcohols, phenols, amines and thiols
  作者：Farhad Shirini、Somayeh Akbari-Dadamahaleh、Ali Mohammad-Khah、Ali-Reza Aliakbar

  DOI：10.1016/j.crci.2013.01.018

  日期：2014.2

  eco-friendly protocol for the chemoselective protection of benzylic and primary and less hindered secondary aliphatic alcohols and phenols as trimethylsilyl ethers and different types of amines as N-tert-butylcarbamates is developed using rice husk (RiH) as the catalyst. This reagent is also able to catalyze the acetylation of alcohols, phenols, thiols and amines with acetic anhydride. Easy work-up, relatively

  摘要 以稻壳 (RiH) 为原料，开发了一种温和、高效、环保的方案，用于化学选择性保护苄基和伯和受阻较小的仲脂肪醇和酚作为三甲基甲硅烷基醚以及不同类型的胺作为 N-叔丁基氨基甲酸酯。催化剂。该试剂还能够催化醇、酚、硫醇和胺与乙酸酐的乙酰化反应。该方法的显着特点是后处理简单、反应时间相对较短、收率高、成本低、催化剂的可用性和可重复使用性是该方法的显着特点，可被认为是保护醇、酚的最佳和通用方法之一、硫醇和胺。此外，
• Protection of hydroxy groups as trimethylsilyl ethers using 1,1,1,3,3,3-hexamethyldisilazane (HMDS) catalyzed by poly(4-vinylpyridinium tribromide)
  作者：Arash Ghorbani-Choghamarani、Mohammad Ali Zolfigol、Maryam Hajjami、Khorshid Darvishi、Laleh Gholamnia

  DOI：10.1135/cccc2009560

  日期：——

  A very efficient procedure for the protection of alcohols and phenols is presented. The mixture of 1,1,1,3,3,3-hexamethyldisilazane (HMDS) and catalytic amounts of poly(4-vinylpyridinium tribromide) was found to be effective for the trimethylsilylation of alcohols and phenols. Protection reaction is very simple and performs heterogeneously in acetonitrile at room temperature under mild conditions.

  一种非常高效的醇和酚保护程序被提出。发现1,1,1,3,3,3-六甲基二硅氮烷（HMDS）与聚（4-乙烯吡啶三溴化物）的催化量混合物对醇和酚的三甲基硅基化是有效的。保护反应非常简单，在室温下在乙腈中以温和条件异相进行。
• Introduction of PEG-SANM nanocomposite as a new and highly efficient reagent for the promotion of the silylation of alcohols and phenols and deprotection of the silyl ethers
  作者：Farhad Shirini、Abdollah Fallah Shojaei、Seyedeh Zahra Dalil Heirati

  DOI：10.1080/10426507.2015.1119141

  日期：2016.6.2

  was prepared by a simple method and characterized using XRD, TGA, SEM, TEM, and FT-IR techniques. After preparation and characterization, this reagent was used as a highly efficient and reusable solid acid catalyst for the chemoselective silylation of alcohols and phenols and deprotection of the obtained silyl ethers. The method offers several advantages including high to excellent yields of the products

  图形摘要 摘要 聚（乙二醇）-磺化蒙脱石钠 (PEG-SANM) 纳米复合材料是通过一种简单的方法制备的，并使用 XRD、TGA、SEM、TEM 和 FT-IR 技术进行表征。经过制备和表征，该试剂被用作高效、可重复使用的固体酸催化剂，用于醇和酚的化学选择性甲硅烷基化和所得甲硅烷基醚的脱保护。该方法具有多种优点，包括产物的收率高至极好、反应时间短、催化剂易于制备和后处理程序简单。此外，催化剂至少可以循环使用5次，催化活性不会明显下降。
• Rice Husk Ash: A New, Cheap, Efficient, and Reusable Reagent for the Protection of Alcohols, Phenols, Amines, and Thiols
  作者：F. Shirini、Somayeh Akbari-Dadamahaleh、Ali Mohammad-Khah

  DOI：10.1080/10426507.2013.844142

  日期：2014.5.4

  Abstract A mild, efficient, and eco-friendly protocol for the protection of alcohols and phenols as trimethylsilyl ethers has been developed using rice husk ash as a reagent. This reagent is also able to catalyze the acetylation of alcohols, phenols, thiols, and amines with acetic anhydride. All reactions were performed under mild conditions in good to high yields. [Supplementary materials are available

  摘要 以稻壳灰为试剂，开发了一种温和、高效、环保的三甲基甲硅烷基醚类醇类和酚类保护方案。该试剂还能够催化醇、酚、硫醇和胺与乙酸酐的乙酰化反应。所有反应均在温和条件下以良好至高产率进行。[本文提供补充材料。访问出版商的在线版磷、硫和硅及相关元素，获取以下免费补充文件：附加文本、表格和数字。] 图形摘要
• Protection of Hydroxyl Groups as a Trimethylsilyl Ether by 1,1,1,3,3,3-Hexamethyldisilazane Promoted by Aspartic Acid as an Efficient Organocatalyst
  作者：Arash GHORBANI-CHOGHAMARANI、Masoomeh NOROUZI

  DOI：10.1016/s1872-2067(10)60210-0

  日期：2011.1

  Abstract A wide variety of alcohols and phenols were protected as trimethylsilyl ethers using 1,1,1,3,3,3-hexamethyl disilazane catalyzed by aspartic acid as a non-toxic, metal-free, and green organocatalyst at room temperature in acetonitrile under mild and heterogeneous conditions. The procedure is operationally simple and the silylated product was obtained in high yield and purity.

  摘要 使用 1,1,1,3,3,3-六甲基二硅氮烷作为无毒、无金属、绿色有机催化剂，在室温下，在乙腈中，天冬氨酸催化下，多种醇和酚被保护为三甲基甲硅烷基醚。在温和和异质条件下。该程序操作简单，以高产率和纯度获得甲硅烷基化产物。