2-phenyl-1H-benzimidazole-5-carbonitrile | 23476-81-5

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并咪唑类
• 英文名称: 2-phenyl-1H-benzimidazole-5-carbonitrile
• 英文别名: 2-phenyl-1H-1,3-benzodiazole-5-carbonitrile；2-phenyl-3H-benzimidazole-5-carbonitrile
• CAS: 23476-81-5
• 化学式: C₁₄H₉N₃
• 分子量: 219.246
• InChiKey: DMNIFQMBWMEOCO-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3
• 重原子数：
  17
• 可旋转键数：
  1
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  52.5
• 氢给体数：
  1
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  2-phenyl-1H-benzimidazole-5-carbonitrile 在 aluminum nickel 甲酸 作用下， 反应 6.0h， 以60%的产率得到2-phenyl-5-formylbenzimidazole
  参考文献：
  名称：

  Substituted 2,5‘-Bi-1H-benzimidazoles:  Topoisomerase I Inhibition and Cytotoxicity

  摘要：

  Several 2'-aryl-5-substituted-2,5'-bi-1H-benzimidazole derivatives were synthesized and evaluated as topoisomerase I poisons and for their cytotoxicity toward the human lymphoblast cell line RPMI 8402. This study focused on 18 2,5'-bi-1H-benzimidazole derivatives which contained either a 5-cyano, a 5-(aminocarbonyl), or a 5-(4-methylpiperazinyl) group. Among these bibenximidazoles, the pharmacological activity of 2'-phenyl derivatives and the influence of the different positional isomers of either a 2'-tolyl group or a 2'-naphthyl moiety on cytotoxicity and topoisomerase I inhibitory activity were determined.

  DOI：

  10.1021/jm950412w
• 作为产物：
  描述：

  4-氨基-3-硝基苯甲腈 在 palladium on activated charcoal 氢气 作用下， 以 乙酸乙酯 、 硝基苯 为溶剂， 145.0 ℃ 、310.27 kPa 条件下， 反应 1.5h， 生成 2-phenyl-1H-benzimidazole-5-carbonitrile
  参考文献：
  名称：

  Substituted 2,5‘-Bi-1H-benzimidazoles:  Topoisomerase I Inhibition and Cytotoxicity

  摘要：

  Several 2'-aryl-5-substituted-2,5'-bi-1H-benzimidazole derivatives were synthesized and evaluated as topoisomerase I poisons and for their cytotoxicity toward the human lymphoblast cell line RPMI 8402. This study focused on 18 2,5'-bi-1H-benzimidazole derivatives which contained either a 5-cyano, a 5-(aminocarbonyl), or a 5-(4-methylpiperazinyl) group. Among these bibenximidazoles, the pharmacological activity of 2'-phenyl derivatives and the influence of the different positional isomers of either a 2'-tolyl group or a 2'-naphthyl moiety on cytotoxicity and topoisomerase I inhibitory activity were determined.

  DOI：

  10.1021/jm950412w

文献信息

• Indium-mediated one-pot benzimidazole synthesis from 2-nitroanilines or 1,2-dinitroarenes with orthoesters
  作者：Jaeho Kim、Jihye Kim、Hyunseung Lee、Byung Min Lee、Byeong Hyo Kim

  DOI：10.1016/j.tet.2011.08.017

  日期：2011.10

  One-pot reduction-triggered heterocyclizations from 2-nitroanilines or 1,2-dinitroarenes to benzimidazoles were investigated in this study. In the presence of indium/AcOH in ethyl acetate at reflux, reaction of 2-nitroanilines or 1,2-dinitroarenes with R–C(OMe)3 (R=Me, Ph) produced excellent yields of the corresponding benzimidazoles within 30 min to 6 h depending on the substituents of the starting

  在此研究中，研究了从2-硝基苯胺或1,2-二硝基芳烃到苯并咪唑的一锅还原触发的杂环化反应。在乙酸乙酯中存在铟/ AcOH的条件下，回流时，2-硝基苯胺或1,2-二硝基芳烃与RC（OMe）3（R = Me，Ph）的反应在30分钟内可得到优异的相应苯并咪唑收率。 6小时取决于起始材料的取代基。在类似的反应条件下，与1,2-二硝基芳烃向苯并咪唑的铟介导的2-硝基苯胺到苯并咪唑的杂环化反应更快，并且产率更高。
• Additive- and Oxidant-Free Expedient Synthesis of Benzimidazoles Catalyzed by Cobalt Nanocomposites on N-Doped Carbon
  作者：Zhaozhan Wang、Tao Song、Yong Yang

  DOI：10.1055/s-0037-1610353

  日期：2019.2

  phenylenediamines and aldehydes catalyzed by a highly recyclable nonnoble cobalt nanocomposite was developed. A broad set of benzimidazoles can be efficiently synthesized in high yields and with good functional-group tolerance under additive- and oxidant-free mild conditions. The catalyst can be easily recycled for successive uses, and the process permits gram-scale syntheses of benzimidazoles.

  通过高度可回收的非贵金属钴纳米复合材料催化苯二胺和醛的偶联，开发了一种一锅法直接合成广泛的生物活性苯并咪唑。在无添加剂和无氧化剂的温和条件下，可以以高产率有效合成一系列苯并咪唑，并具有良好的官能团耐受性。该催化剂可以很容易地循环使用以供后续使用，并且该方法允许进行克级规模的苯并咪唑合成。
• An efficient route for the synthesis of benzimidazoles via a hydrogen-transfer strategy between o -nitroanilines and alcohols
  作者：Xiaotong Li、Renhe Hu、Yao Tong、Qiang Pan、Dazhuang Miao、Shiqing Han

  DOI：10.1016/j.tetlet.2016.09.018

  日期：2016.10

  [1,1′-Bis(diphenylphosphino)ferrocene]dichloropalladium(II) has been used as an efficient catalyst for the synthesis of 2-substituted benzimidazoles via a hydrogen-transfer strategy. Various 2-substituted benzimidazoles were synthesized in good to excellent yields (up to 97%). The reaction shows good functional group tolerance. And no additional additive, oxidant, or reductant was required for the

  [1,1'-双（二苯基膦基）二茂铁]二氯钯（II）已被用作通过氢转移策略合成2-取代的苯并咪唑的有效催化剂。合成了各种2-取代的苯并咪唑，收率良好至优异（高达97％）。该反应显示出良好的官能团耐受性。而且该反应不需要额外的添加剂，氧化剂或还原剂。
• Catalyst-free one-pot synthesis of benzimidazoles from 1,2-diaminoarenes and alcohols
  作者：Mahender Reddy Marri、Swamy Peraka、Arun Kumar Macharla、Naresh Mameda、Srujana Kodumuri、Narender Nama

  DOI：10.1016/j.tetlet.2014.09.081

  日期：2014.11

  A new and efficient protocol is described for the one-pot synthesis of benzimidazoles from a variety of aryl alcohols and 1,2-diaminoarenes. The yields were ranging from moderate to excellent. Moreover, the present method is utilizing alcohols instead of aldehydes and the reactions are carried out under solvent- and catalyst-free conditions, offering an environmentally benign process.

  描述了一种新的有效方案，用于从多种芳基醇和1,2-二氨基芳烃一锅合成苯并咪唑。产量从中等到极好。而且，本方法利用醇代替醛，并且反应在无溶剂和无催化剂的条件下进行，提供了对环境无害的方法。
• Oxidative Cyclization Approach to Benzimidazole Libraries
  作者：Eric P. Arnold、Prolay K. Mondal、Daniel C. Schmitt

  DOI：10.1021/acscombsci.9b00189

  日期：2020.1.13

  building blocks, providing limited chemical space coverage. We have developed an amidine formation/oxidative cyclization sequence that enables anilines as a diversity set for benzimidazole C4–C7 SAR generation in parallel format. The amidine annulation was achieved using PIDA or Cu-mediated oxidation to access both N–H and N–alkyl benzimidazoles. This library protocol has now been utilized for analog

  描述了一种从苯胺平行合成苯并咪唑的有效方法。改变苯并咪唑的N1和C2载体的文库方法已经很成熟。但是，C4–C7变体传统上依赖于1,2-二苯胺结构单元，因此化学空间覆盖范围有限。我们已经开发了an形成/氧化环化序列，使苯胺能够作为苯并咪唑C4-C7 SAR平行生成形式的多样性集。通过使用PIDA或Cu介导的氧化作用来获得N和烷基烷基苯并咪唑的idine环化反应。该库协议现已用于四个药物化学项目的模拟生产。另外，通过类似的序列从氨基吡啶合成氮杂苯并咪唑。