3-甲基-2-喹喔啉甲醛 | 25519-55-5

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二氮杂萘
• 中文名称: 3-甲基-2-喹喔啉甲醛
• 中文别名: 3-甲基喹喔啉-2-甲醛
• 英文名称: 3-methylquinoxaline-2-carbaldehyde
• 英文别名: 3-Methylchinoxalin-2-carbaldehyd
• CAS: 25519-55-5
• 化学式: C₁₀H₈N₂O
• mdl: MFCD02110485
• 分子量: 172.186
• InChiKey: AZIGGTBMCCWNPW-UHFFFAOYSA-N

物化性质

• 熔点：
  138 °C
• 沸点：
  320.2±37.0 °C(Predicted)
• 密度：
  1.248±0.06 g/cm3(Predicted)
• 溶解度：
  溶于二氯甲烷、乙酸乙酯、甲醇

计算性质

• 辛醇/水分配系数(LogP)：
  1.4
• 重原子数：
  13
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.1
• 拓扑面积：
  42.8
• 氢给体数：
  0
• 氢受体数：
  3

安全信息

• 海关编码：
  2933990090

反应信息

• 作为反应物：
  描述：

  3-甲基-2-喹喔啉甲醛 在 potassium permanganate 、 硫酸 作用下， 以 吡啶 、 水 为溶剂， 反应 24.0h， 以66%的产率得到3-甲基-喹啉-2-甲酸
  参考文献：
  名称：

  Zur Oxydation von 2,3-Dimethylchinoxalin und 2,4-Dimethylchinazolin mit Selendioxid

  摘要：

  DOI：

  10.1007/bf00808754
• 作为产物：
  描述：

  2-硝基苯胺 在 selenium(IV) oxide 、 sodium hydroxide 作用下， 以 1,4-二氧六环 、 水 、 甲苯 为溶剂， 反应 15.0h， 生成 3-甲基-2-喹喔啉甲醛
  参考文献：
  名称：

  NaOH-Mediated Direct Synthesis of Quinoxalines from o-Nitroanilines and Alcohols via a Hydrogen-Transfer Strategy

  摘要：

  A NaOH-mediated sustainable synthesis of functionalized quinoxalines is disclosed via redox condensation of o-nitroamines with diols and α-hydroxy ketones. Under optimized conditions, various o-nitroamines and alcohols are well tolerated to generate the desired products in 44-99% yields without transition metals and external redox additives.

  DOI：

  10.1021/acs.joc.0c02453

文献信息

• Novel Compounds As Casein Kinase Inhibitors
  申请人：Subramanyam Chakrapani

  公开号：US20110098272A1

  公开（公告）日：2011-04-28

  Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula I as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.

  所述化合物及其药用可接受盐已被披露，其中所述化合物具有规范中定义的Formula I结构。相应的药物组合物、治疗方法、合成方法和中间体也已被披露。
• Methanol as a formylating agent in nitrogen heterocycles
  作者：Zhengbao Xu、Lizhi Zhang

  DOI：10.1039/d1ob01807h

  日期：——

  A radical mediated C–H direct formylation of N-heteroarenes with methanol is reported. The reaction features a novel iron-catalyzed Minisci oxidative coupling process using commercially available methanol as a formylating reagent. It effectively solved the long-standing problems associated with using methanol as a formylating reagent in these types of reactions. Compared to the traditional Minisci

  报道了用甲醇对 N-杂芳烃进行自由基介导的 C-H 直接甲酰化。该反应采用新型铁催化 Minisci 氧化偶联过程，使用市售甲醇作为甲酰化试剂。它有效地解决了在这类反应中使用甲醇作为甲酰化试剂的长期问题。与传统的 Minisci C-H 甲酰化方法相比，该方案具有高度的原子经济性、操作简单、环保，并显示出良好的官能团耐受性。这种 Minisci 甲酰化策略是 N-杂芳烃后期功能化的直接方法。
• [EN] AROMATIC NITROGEN-CONTAINING 6-MEMBERED RING COMPOUNDS AND THEIR USE<br/>[FR] COMPOSÉS CYCLIQUES AROMATIQUES AZOTÉS À 6 CHAÎNONS ET LEUR UTILISATION
  申请人：MITSUBISHI TANABE PHARMA CORP

  公开号：WO2010030027A1

  公开（公告）日：2010-03-18

  The present invention provides aromatic nitrogen-containing 6-membered ring compounds having execellent PDE10 inhibitory activity. The present invention relates to an aromatic nitrogen-containing 6-membered ring compound represented by the following formula [I0] or a pharmaceutically acceptable salt thereof, a method for preparing the same, and use of said compounds for PDE10 inhibitors, and a pharmaceutical composition comprising said compounds as an active ingredient: Formula [I0] wherein: X1, X2 and X3 each independently are N or CH, and at least two of X1, X2 and X3 are N; A is *-CH=CH-, *-C(Alk)=CH-, *-CH2-CH2- or *-O-CH2- (* is a bond with R1); Alk is a lower alkyl group; Ring B is an optionally substituted nitrogen-containing aliphatic heterocyclic group; R1 is an optionally substituted nitrogen-containing heterocyclic group, a nitrogen-containing heterocyclic moiety of which is a moiety selected from the group consisting of quinoxalinyl, quinolyl, isoquinolyl, quinazolinyl, pyrazinyl, pyrimidinyl and a moiety thereof fused with a 5 to 6-membered aliphatic ring thereto; Y0 is a group selected from the group consisting of the following (1) to (5): (1) an optionally substituted phenyl or an optionally substituted aromatic monocyclic 5 to 6-membered heterocyclic group; (2) an optionally substituted aminocarbonyl; (3) an optionally substituted amino lower alkyl; (4) -O-R2 wherein R2 is hydrogen, an optionally substituted lower alkyl, lower cycloalkyl, aliphatic monocyclic 5 to 6-membered heterocyclic group, or Formula [AA]; (5) mono- or di-substituted amino; provided that, when Y0 is mono- or di-substituted amino, the nitrogen-containing heterocyclic moiety of R1 is not quinoxalinyl or quinolyl.

  本发明提供了具有出色的PDE10抑制活性的芳香氮含6元环化合物。本发明涉及以下式[I0]所代表的芳香氮含6元环化合物或其药学上可接受的盐，其制备方法，以及将所述化合物用作PDE10抑制剂，以及包含所述化合物作为活性成分的药物组合物：式[I0]其中：X1、X2和X3各自独立地为N或CH，并且至少两个X1、X2和X3为N；A为*-CH=CH-，*-C(Alk)=CH-，*-CH2- -或*-O- -（*为与R1的键）；Alk为低碳烷基基团；环B为可选择取代的含氮脂肪杂环基团；R1为可选择取代的含氮杂环基团，其中的氮杂环基团为从喹喔啉基，喹啉基，异喹啉基，喹唑啉基，吡嗪基，嘧啶基中选取的基团，或者与其中的5至6元脂环融合的基团；Y0为从以下（1）到（5）组成的基团：（1）可选择取代的苯基或可选择取代的芳香单环5至6元杂环基团；（2）可选择取代的氨基羰基；（3）可选择取代的氨基低碳烷基；（4）-O-R2其中R2为氢，可选择取代的低碳烷基，低环烷基，脂肪单环5至6元杂环基团，或式[AA]；（5）单取代或双取代氨基；但是，当Y0为单取代或双取代氨基时，R1的含氮杂环基团不是喹喔啉基或喹啉基。
• Copper-Catalyzed Aerobic Oxidation of Azinylmethanes for Access to Trifluoromethylazinylols
  作者：Gang Zheng、Hao Liu、Mang Wang

  DOI：10.1002/cjoc.201500918

  日期：2016.5

  A copper‐catalyzed oxygenation of methylazaarenes was found to occur in the absence of both ligand and additive, and has been successfully employed for the synthesis of trifluoromethylazinylketols. This synthetic strategy incorporates aerobic oxidation and a trifluoromethylation in one‐pot and provides a novel method for the trifluoromethylation of aliphatic CH bond.

  发现在没有配体和添加剂的情况下会发生铜催化的甲基氮杂芳烃的氧化反应，并已成功地用于合成三氟甲基叠氮基酮醇。这种合成策略在一个锅中结合了好氧氧化和三氟甲基化，为脂族CH键的三氟甲基化提供了一种新方法。
• Copper-catalyzed three-component reaction of <i>N</i>-heteroaryl aldehydes, nitriles, and water
  作者：Hanyang Bao、Bingwei Zhou、Hongwei Jin、Yunkui Liu

  DOI：10.1039/c9ob00599d

  日期：——

  copper-catalyzed radical-triggered three-component reaction of N-heteroaryl aldehydes, nitriles, and water. Mechanistic studies indicate that the reaction may undergo a radical-triggered Ritter-type reaction in which water serves as the oxygen source for the formation of the C–O bond. The reaction has advantages such as a broad substrate scope for the N-heteroaryl aldehydes, atom economy, and simple operation.

  已经成功地开发了一种有效且直接的合成N-杂芳酰基酰亚胺的方法，该方法涉及铜催化的N-杂芳基醛，腈和水的自由基引发的三组分反应。机理研究表明，该反应可能会发生自由基触发的Ritter型反应，其中水充当形成C–O键的氧源。该反应具有诸如N-杂芳基醛的广泛的底物范围，原子经济和操作简单的优点。