4-methyl-2-(p-tolyl)quinoline

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 喹啉及其衍生物
• 英文名称: 4-methyl-2-(p-tolyl)quinoline
• 英文别名: 2-(4-methylphenyl)-4-methylquinoline；4-methyl-2-(4-methylphenyl)quinoline；4-Methyl-2-(4'-methyl-phenyl)-quinoline
• 化学式: C₁₇H₁₅N
• 分子量: 233.313
• InChiKey: HSUWUUJEFAVRCQ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.6
• 重原子数：
  18
• 可旋转键数：
  1
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  12.9
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为产物：
  描述：

  2-异丙烯苯基苯胺 在 吡啶 、 三氯氧磷 作用下， 反应 26.0h， 生成 4-methyl-2-(p-tolyl)quinoline
  参考文献：
  名称：

  A Facile Synthesis of Some New 3H-Pyrrolo[2,3-c]quinoline Derivatives from 4-Formylquinolines

  摘要：

  一些乙基3H-吡咯并[2,3-c]喹啉-2-羧酸酯已经通过将乙基叠氮乙酸酯与4-形式基喹啉直接缩合制备而成，这些4-形式基喹啉可通过将o-(1-甲基乙烯基)苯胺依次处理酸氯化物、磷氧氯化物和苯硒酸酐获得。这一方法论也被用于合成2,2′-双(乙氧基羧酸酯)-4,4′-双-3H-吡咯并[2,3-c]喹啉和1,4-双(2-乙氧基羧酸酯)-3H-吡咯并[2,3-c]喹啉-4-基苯。

  DOI：

  10.1055/s-1993-25836

文献信息

• Iron-Catalyzed Cyclization of Nitrones with Geminal-Substituted Vinyl Acetates: A Direct [4 + 2] Assembly Strategy Leading to 2,4-Disubstituted Quinolines
  作者：Mingbing Zhong、Song Sun、Jiang Cheng、Ying Shao

  DOI：10.1021/acs.joc.6b01910

  日期：2016.11.18

  An iron-catalyzed intermolecular [4 + 2] cyclization of arylnitrones with geminal-substituted vinyl acetates was developed for the synthesis of 2,4-disubstituted quinolines in moderate to good yields with good functional group compatibilities. Preliminary mechanistic studies suggest a plausible iron-catalyzed C–H activation process under external-oxidant-free conditions.

  已开发了铁的芳基硝基酮与双取代的乙酸乙烯酯的铁催化的分子间[4 + 2]环化反应，用于合成2,4-二取代的喹啉，产率中等至良好，且具有良好的官能团相容性。初步的机理研究表明，在无外部氧化剂的条件下，铁催化的CH活化过程似乎是合理的。
• Direct C−H Arylation of Electron-Deficient Heterocycles with Arylboronic Acids
  作者：Ian B. Seiple、Shun Su、Rodrigo A. Rodriguez、Ryan Gianatassio、Yuta Fujiwara、Adam L. Sobel、Phil S. Baran

  DOI：10.1021/ja1066459

  日期：2010.9.29

  A direct arylation of a variety of electron-deficient heterocycles with arylboronic acids has been developed. This new reaction proceeds readily at room temperature using inexpensive reagents: catalytic silver(I) nitrate in the presence of persulfate co-oxidant. The scope with respect to heterocycle and boronic acid coupling partner is broad, and sensitive functional groups are tolerated. This method

  已经开发了多种缺电子杂环与芳基硼酸的直接芳基化。这种新反应在室温下很容易使用廉价试剂进行：在过硫酸盐助氧化剂存在下催化硝酸银（I）。杂环和硼酸偶联伙伴的范围很广，敏感的官能团是可以容忍的。这种方法允许快速访问传统方法更难以访问的各种芳基化杂环。
• Amides as precursors of imidoyl radicals in cyclisation reactions
  作者：W. Russell Bowman、Anthony J. Fletcher、Jan M. Pedersen、Peter J. Lovell、Mark R.J. Elsegood、Elena Hernández López、Vickie McKee、Graeme B.S. Potts

  DOI：10.1016/j.tet.2006.10.030

  日期：2007.1

  Amides have been successfully used as precursors of imidoyl radicals for radical cyclisation. The amides have been converted to imidoyl selanides via reaction with phosgene to yield imidoyl chlorides followed by reaction with potassium phenylselanide. Imidoyl selanides were reacted with tributyltin hydride (Bu3SnH) as the radical mediator with triethylborane or AIBN as initiators to yield imidoyl radicals

  酰胺已成功地用作亚胺基自由基的前体，用于自由基环化。酰胺已通过与光气反应生成亚氨酰氯，然后与苯硒化钾反应，已转化为亚氨基酰硒化物。亚胺基硒化物与氢化三丁基锡（Bu 3 SnH）作为自由基介体反应，三乙基硼烷或AIBN作为引发剂，生成亚胺基自由基用于环化反应。酰亚胺基已被环化到烯烃上以产生2，3-取代的吲哚和-喹啉，并且还被吡咯和吲哚上以产生双环和三环杂芳烃。
• Iron-Catalyzed Direct C-H Arylation of Heterocycles and Quinones with Arylboronic Acids
  作者：Arghya Deb、Srimanta Manna、Arun Maji、Uttam Dutta、Debabrata Maiti

  DOI：10.1002/ejoc.201300743

  日期：2013.8

  The arylation of C–H bonds to generate heteroaryl–aryl (Het–Ar) and arylated quinone (Quin–Ar) compounds has received great attention to achieve sustainable goals in synthetic chemistry. Despite significant advances, arylation of a broad range of Het–Ar and Quin–Ar derivatives remains a challenging task. Herein, a variety of heterocycles are arylated by using arylboronic acids in the presence of catalytic

  C-H键的芳基化生成杂芳基-芳基（Het-Ar）和芳基化醌（Quin-Ar）化合物在合成化学中实现可持续目标方面受到了极大的关注。尽管取得了重大进展，广泛的 Het-Ar 和 Quin-Ar 衍生物的芳基化仍然是一项具有挑战性的任务。在本文中，在催化量的廉价 Fe(NO3)3 存在下，使用芳基硼酸将各种杂环芳基化。C-芳基化醌化合物可以通过芳基硼酸与醌或氢醌反应来制备。本方法操作简单，可扩展，不需要杂环或醌的预官能化，并且可以容忍偶联伙伴中的多种官能团。这些品质有望使这种方法对学术和工业用途具有吸引力。
• Synergy of anodic oxidation and cathodic reduction leads to electrochemical deoxygenative C2 arylation of quinoline <i>N</i>-oxides
  作者：Yong Yuan、Minbao Jiang、Tao Wang、Yunkui Xiong、Jun Li、Huijiao Guo、Aiwen Lei

  DOI：10.1039/c9cc05841a

  日期：——

  The first example of electrochemical deoxygenative C2 arylation of quinoline N-oxides using sulfonyl hydrazines was demonstrated in this work. By employing both anodic oxidation and cathodic reduction, a variety of 2-arylquinolines were synthesized under metal catalyst-, exogenous-oxidant-, and exogenous-reductant-free conditions.

  在这项工作中证明了使用磺酰基肼对喹啉N-氧化物进行电化学脱氧C2芳基化的第一个例子。通过同时采用阳极氧化和阴极还原，在无金属催化剂，无外源氧化剂和无外源还原剂的条件下合成了各种2-芳基喹啉。