4-(methoxycarbonyl)benzyl methyl carbonate

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 4-(methoxycarbonyl)benzyl methyl carbonate
• 英文别名: Methyl 4-(methoxycarbonyloxymethyl)benzoate
• 化学式: C₁₁H₁₂O₅
• 分子量: 224.213
• InChiKey: WODYNOCJJYXROL-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.9
• 重原子数：
  16
• 可旋转键数：
  6
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.27
• 拓扑面积：
  61.8
• 氢给体数：
  0
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  4-(methoxycarbonyl)benzyl methyl carbonate 在 4-二甲氨基吡啶 、 (4,4'-di-tert-butyl-2,2'-dipyridyl)-bis-(2-phenylpyridine(-1H))-iridium(III) hexafluorophosphate 、 caesium carbonate 、 N,N-二异丙基乙胺 、 1,2-双(二苯基膦)乙烷 、 bis(dibenzylideneacetone)-palladium⁽⁰⁾ 、 盐酸 作用下， 反应 6.0h， 以87%的产率得到4-(甲氧羰基)苯乙酸
  参考文献：
  名称：

  使用钯/铱双催化剂对苯甲醇衍生物与 CO2 进行可见光羧基化

  摘要：

  双重麻烦：使用Pd/Ir 双催化剂实现了使用 CO 2对苯甲醇衍生物进行高效可见光羧化。由相应的苄醇衍生物可以高效地制备多种苄基羧酸和酯。通过改变 Pd 催化剂，可以在苄基 C-O 和芳基 C-Cl 部分之间进行可切换的位点选择性羧化。

  DOI：

  10.1002/cssc.202102095
• 作为产物：
  描述：

  4-(羟甲基)苯甲酸甲酯 、 碳酸二甲酯 在 manganese(II)carbonate 作用下， 反应 15.0h， 以72%的产率得到4-(methoxycarbonyl)benzyl methyl carbonate
  参考文献：
  名称：

  MnCO3-Catalyzed Transesterification of Alcohols with Dimethyl Carbonate Under Mild Conditions

  摘要：

  Dimethyl carbonate (DMC) is a valuable green reagent with versatile and tunable chemical reactivity and can be used as a raw material for transesterification of alcohols. Herein, MnCO3 was found to be an efficient heterogeneous catalyst for transesterification of various alcohols with DMC and gave desired products under mild conditions. The MnCO3 catalysts were fully characterized by XRD, BET, SEM, TEM, FT-IR and NH3-TPD. The analysis results indicated that MnCO3 calcined at 300 degrees C has significantly enhanced surface area and abundant weak acid sites, which contributed to the superior catalytic performance in the transesterification. Furthermore, deactivation of catalyst resulted from the change of crystal structure and the decrease of weak acid sites. This research expands the potential application for DMC in green chemistry.[GRAPHICS].

  DOI：

  10.1007/s10562-020-03310-z

文献信息

• Suzuki−Miyaura Cross-Coupling of Benzylic Carbonates with Arylboronic Acids
  作者：Ryoichi Kuwano、Masashi Yokogi

  DOI：10.1021/ol050078q

  日期：2005.3.1

  The cross-coupling of benzylic carbonates with arylboronic acids gave the corresponding diarylmethanes in high yields by use of the palladium catalyst generated in situ from [Pd(eta(3)-C(3)H(5))Cl](2) and 1,5-bis(diphenylphosphino)pentane (DPPPent). The Suzuki-Miyaura reaction using DPPPent-palladium catalyst is applicable to syntheses of a broad range of functionalized diarylmethanes. [reaction: see

  碳酸苄酯与芳基硼酸的交叉偶联反应通过使用从[Pd（eta（3）-C（3）H（5））Cl]（2）原位生成的钯催化剂以高收率获得了相应的二芳基甲烷1,5-双（二苯基膦基）戊烷（DPPPent）。使用DPPPent-钯催化剂的Suzuki-Miyaura反应适用于多种功能化的二芳基甲烷的合成。[反应：看文字]
• Palladium-catalyzed Benzylic Substitution of Benzyl Carbonates with Phosphorus Nucleophiles
  作者：Yusuke Makida、Kazumi Usui、Satoshi Ueno、Ryoichi Kuwano

  DOI：10.1246/cl.170901

  日期：2017.12.5

  A wide range of benzyl carbonates reacted with dimethyl phosphonate or diphenylphosphine oxide in the presence of the palladium catalyst, [Pd(η3-allyl)Cl]2–DPEphos, to give dimethyl benzylphosphonates and benzyldiphenylphosphine oxides in high yields. The catalytic phosphonylation was applied to the one-pot synthesis of alkenes from the benzyl esters.

  在钯催化剂 [Pd(η3-烯丙基)Cl]2-DPEphos 存在下，各种碳酸苄酯与膦酸二甲酯或氧化二苯基膦反应，以高产率得到苄基膦酸二甲酯和苄基二苯基氧化膦。催化膦酰化应用于从苄酯合成烯烃的一锅法。
• Electrochemical carboxylation of benzylic carbonates: alternative method for efficient synthesis of arylacetic acids
  作者：Masashi Ohkoshi、Jun-ya Michinishi、Shoji Hara、Hisanori Senboku

  DOI：10.1016/j.tet.2010.07.067

  日期：2010.9

  Electrochemical carboxylation of benzylic carbonates was successfully performed as an alternative method for the synthesis of phenylacetic acids by using a one-compartment cell equipped with a Pt plate cathode and an Mg rod anode in CH3CN to afford the corresponding phenylacetic acids in good yields.

  通过在CH 3 CN中使用配备Pt板阴极和Mg棒阳极的单室电解池，成功地进行了碳酸苄基酯的电化学羧化反应，以作为合成苯乙酸的另一种方法，以高收率提供了相应的苯乙酸。
• Room-Temperature Benzylic Alkylation of Benzylic Carbonates: Improvement of Palladium Catalyst and Mechanistic Study
  作者：Ryoichi Kuwano、Masashi Yokogi、Ken Sakai、Shigeyuki Masaoka、Takashi Miura、Sungyong Won

  DOI：10.1021/acs.oprd.9b00210

  日期：2019.8.16

  nucleophilic substitution of benzyl carbonates was improved by using 1,1′-bis(diisopropylphosphino)ferrocene (DiPrPF) as the ligand. The [Pd(η3-C3H5)(cod)]BF4–DiPrPF catalyst allows the benzylic substitution with soft carbanions to proceed even at 30 °C, affording the desired products in high yields (up to 99% yield). Thermally unstable pyridylmethyl esters are employable as the electrophilic substrates

  为苄基碳酸酯的亲核取代的钯催化剂是通过使用1,1'-双（二异丙基）二茂铁（d改善我配体PrPF）为。的[将Pd（η 3 -C 3 H ^ 5）（COD）] BF 4 -D我PrPF催化剂允许与软碳负离子苄基取代，甚至在30℃下进行，得到高产率的所需产物（高达99％屈服）。热不稳定的吡啶基甲基酯可用作亲电底物，用于用改进的催化剂进行苄基烷基化。此外，我们研究了通过D i PrPF配体催化苄基烷基化的机理。钯（0）配合物D iPrPF在室温下激活苄基C–O键以形成（苄基）钯（II）中间体。苄基配体的配位模式将是η之间的平衡1 -和η 3 -manner。亲核试剂将优先与η反应3 -苄基配体，得到所需产物。
• Palladium-Catalyzed Nucleophilic Benzylic Substitutions of Benzylic Esters
  作者：Ryoichi Kuwano、Yutaka Kondo、Yosuke Matsuyama

  DOI：10.1021/ja037735z

  日期：2003.10.1

  A palladium complex generated in situ from [Pd(eta3-C3H5)(cod)]BF4 and DPPF is a good catalyst for benzylic alkylation of benzyl methyl carbonate with the carbanion of dimethyl malonates. The catalytic reaction is applicable to a wide range of the benzylations of benzylic esters with malonates. The catalytic activity was heavily affected by the bite angle of the bidentate phosphine ligand on palladium

  由 [Pd(eta3-C3H5)(cod)]BF4 和 DPPF 原位生成的钯配合物是用于苄基甲基碳酸酯与丙二酸二甲酯的碳负离子的苄基烷基化的良好催化剂。该催化反应适用于广泛的苄酯与丙二酸酯的苄基化反应。催化活性受到钯上双齿膦配体的咬合角的严重影响。在钯催化的苄酯的苄胺化的情况下，DPEphos 配体优于 DPPF。