2-(1-(4-methoxyphenyl)-2-nitroethyl)cyclohexanone | 342819-96-9

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯酚醚
• 英文名称: 2-(1-(4-methoxyphenyl)-2-nitroethyl)cyclohexanone
• 英文别名: 2-[1-(4-methoxyphenyl)-2-nitroethyl]cyclohexan-1-one
• CAS: 342819-96-9
• 化学式: C₁₅H₁₉NO₄
• 分子量: 277.32
• InChiKey: FYWYIIZOPMFOGB-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.5
• 重原子数：
  20
• 可旋转键数：
  4
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.53
• 拓扑面积：
  72.1
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  2-(1-(4-methoxyphenyl)-2-nitroethyl)cyclohexanone 在 5%-palladium/activated carbon 、 氢气 、 乙烯 作用下， 以 乙醇 、 5,5-dimethyl-1,3-cyclohexadiene 为溶剂， 以56 %的产率得到3-(4-methoxyphenyl)-1H-indole
  参考文献：
  名称：

  2-(2-硝基-1-苯乙基)环己酮衍生物一锅法合成3-取代吲哚

  摘要：

  在此，报道了由 Pd/C 催化的 2-(2-硝基-1-苯乙基) 环己酮衍生物一锅法合成 3-取代吲哚。原料可以很容易地通过取代酮和硝基烯烃的反应来制备。简便的实验程序包括在 10 mol % Pd/C 存在下使用 H 2作为氢供体处理 2-(2-硝基-1-苯乙基)环己酮衍生物。随后，H 2与作为氢受体的CH 2 =CH 2的交换以高产率提供多种3-取代的吲哚。中间硝酮的形成对于顺利反应至关重要。

  DOI：

  10.1021/acs.joc.3c00233
• 作为产物：
  描述：

  1-环己烯氧基三甲基硅烷 、 4-甲氧基-β-硝基苯乙烯 在 lithium perchlorate 作用下， 以 乙醚 为溶剂， 反应 14.0h， 以68%的产率得到2-(1-(4-methoxyphenyl)-2-nitroethyl)cyclohexanone
  参考文献：
  名称：

  Chemoselectivity in the Michael Addition of Silyl Enol Ethers in Lithium Perchlorate-Diethyl Ether Medium. Evidence for Facile Silyl Group Transfer to Michael Acceptors

  摘要：

  The silyl enol ethers from cyclohexanone and cyclopentanone underwent efficient 1,4-addition to beta-nitro- and beta,beta-dicyanostyrenes in 5 M lithium perchlorate/diethyl ether (LPDE) at ambient temperature to give the corresponding Michael adducts in good yields and with moderate stereoselectivity. The reaction was found to be highly chemoselective in that alpha,beta-unsaturated carbonyl compounds failed to undergo Michael addition with the silyl enol ethers under identical conditions. The experimental evidence suggests that the mechanism involves transfer of the silyl group from the silyl enol ether to the Michael acceptor. The silyl enol ethers reacted with p-benzoquinone in 5 M LPDE to give benzofuran derivatives in good yields. Reaction with chloranil yielded the corresponding O-alkylated products while with DDQ, the corresponding C-alkylated products were obtained in excellent yields and with high regio- and stereoselectivities.

  DOI：

  10.1021/jo00121a022

文献信息

• Novel thiourea-amine bifunctional catalysts for asymmetric conjugate addition of ketones/aldehydes to nitroalkenes: rational structural combination for high catalytic efficiency
  作者：Jia-Rong Chen、Yi-Ju Cao、You-Quan Zou、Fen Tan、Liang Fu、Xiao-Yu Zhu、Wen-Jing Xiao

  DOI：10.1039/b925962g

  日期：——

  A series of thiourea-amine bifunctional catalysts have been developed by a rational combination of prolines with cinchona alkaloids, which are connected by a thiourea motif. The catalyst 3a, prepared from L-proline and cinchonidine, was found to be a highly efficient catalyst for the conjugate addition of ketones/aldehydes to a wide range of nitroalkenes (up to 98/2 dr and 96% ee). The privileged cinchonidine

  一系列 硫脲-胺双功能催化剂是通过脯氨酸与金鸡纳生物碱的合理组合而开发的，金鸡纳生物碱通过硫脲基序连接。催化剂3a由大号脯氨酸 和 辛可尼定被发现是一种高效的催化剂，用于将酮/醛共轭加成到各种各样的硝基烯烃中（高达98/2 dr和96％ee）。特权的辛可尼定骨架和硫脲基序对于反应活性和对映选择性是必不可少的。
• An Ionic Liquid Containing L-Proline Moiety as Highly Efficient and Recyclable Chiral Organocatalyst for Michael Addition
  作者：Jiang Li、Xia Bing Li、Sha Sha Ma、Juan Liu、Ben Hao Li、Bao Lin Li

  DOI：10.1002/bkcs.10848

  日期：2016.8

  A novel chiral ionic liquid containing proline moiety was synthesized. It can be used as a highly efficient and recyclable chiral organocatalyst for Michael addition of cyclohexanone with (E)‐β‐nitroalkenes in methanol at room temperature. The Michael addition affords the corresponding products in satisfactory yields of isolated products (78–98%) with high diastereoselectivities and excellent enantioselectivities

  合成了一种新型的含有脯氨酸部分的手性离子液体。它可以用作高效和可回收的手性有机催化剂，用于在室温下在甲醇中将环己酮与（E）-β-硝基烯烃进行迈克尔加成反应。迈克尔加成物以高非对映选择性和出色的对映选择性（高达98％dr和高达99％ee）提供令人满意的分离产物（78-98％）的相应产物。催化剂可循环使用多达五次，而收率和立体选择性均不降低。
• C3-Symmetric Proline-Functionalized Organocatalysts: Enantioselective Michael Addition Reactions
  作者：Jarugu Narasimha Moorthy、Satyajit Saha

  DOI：10.1002/ejoc.201000569

  日期：2010.11

  C 3 -Symmetric, tripodal catalyst 4 based on 1,3,5-triethylbenzene, which incorporates the features of a molecular receptor, is shown to catalyze Michael addition reactions of carbonyl compounds to β-nitrostyrenes in a high stereoselectivity (up to 99:1 dr and up to 98 % ee).

  基于 1,3,5-三乙苯的 C 3 -对称三足催化剂 4 结合了分子受体的特征，显示出以高立体选择性（高达 99: 1 dr 和高达 98 % ee)。
• Lipase/Acetamide-Catalyzed Carbon-Carbon Bond Formations: A Mechanistic View
  作者：Xiao-Yang Chen、Guo-Jun Chen、Jun-Liang Wang、Qi Wu、Xian-Fu Lin

  DOI：10.1002/adsc.201201080

  日期：2013.3.25

  A lipase B from Candida antarctica (CALB)/acetamide‐catalyzed Michael addition of less‐activated ketones and aromatic nitroolefins has been developed, which is particularly interesting because neither CALB nor acetamide can independently catalyze the reaction to any appreciable extent. This co‐catalyst system was applicable to the Michael additions of cyclic and acyclic ketones to a series of aromatic

  已经开发了一种来自南极假丝酵母（CALB）/乙酰胺催化的Michael的活化程度较低的酮和芳族硝基烯烃的脂肪酶B ，这特别有趣，因为CALB和乙酰胺都无法独立地在任何明显的程度上催化该反应。该助催化剂体系适用于在一系列芳族和杂芳族硝基烯烃中将环状和无环酮进行迈克尔加成反应。实验事实证实了乙酰胺和环己酮之间的氢键可用于观察到的活化作用，并提供了有关CALB /乙酰胺共催化的新机理的见解。
• Highly enantioselective Michael addition reactions in water catalyzed by an insoluble MPS-supported 4-sulfonamidyl prolinol tert-butyldiphenylsilyl ether
  作者：Yongming Chuan、Guihua Chen、Yungui Peng

  DOI：10.1016/j.tetlet.2009.04.011

  日期：2009.6

  The development of a highly efficient, insoluble, and non-swelling MPS-supported organocatalyst for the direct asymmetric Michael reaction of ketones and aldehydes to nitrostyrenes at room temperature in water is described. Excellent yields (up to 100%) and high stereoselectivities (up to 94% dr and 93% ee) were achieved with 10 mol % of the catalyst. The resin-bound catalyst was simply separated and

  描述了一种高效，不溶且不溶胀的MPS负载的有机催化剂的开发，该有机催化剂用于在室温下在水中将酮和醛直接进行不对称迈克尔反应，生成硝基苯乙烯。使用10摩尔％的催化剂可获得极佳的收率（最高100％）和高的立体选择性（最高94％dr和93％ee）。树脂结合的催化剂可以简单地通过过滤进行分离和回收，然后再用于六个连续的试验中，而活性和对映选择性均不会显着下降。