4-[(4-nitrophenyl)amino]benzoic acid methyl ester

• 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-[(4-nitrophenyl)amino]benzoic acid methyl ester
• 英文别名: 4-carbomethoxyphenyl-4'-nitrodiphenylamine；Methyl 4-((4-nitrophenyl)amino)benzoate；methyl 4-(4-nitroanilino)benzoate
• 化学式: C₁₄H₁₂N₂O₄
• 分子量: 272.26
• InChiKey: KYCBUUJRUJVXBM-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.5
• 重原子数：
  20
• 可旋转键数：
  4
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.07
• 拓扑面积：
  84.2
• 氢给体数：
  1
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  4-[(4-nitrophenyl)amino]benzoic acid methyl ester 在 potassium hydroxide 、 盐酸 作用下， 以 乙醇 、 水 为溶剂， 以68%的产率得到4-(4-硝基苯胺基)苯甲酸
  参考文献：
  名称：

  Development of Potent and Selective Inhibitors of Aldo–Keto Reductase 1C3 (Type 5 17β-Hydroxysteroid Dehydrogenase) Based on N-Phenyl-Aminobenzoates and Their Structure–Activity Relationships

  摘要：

  Aldo-keto reductase 1C3 (AKR1C3; type 5 17 beta-hydroxysteroid dehydrogenase) is overexpressed in castration resistant prostate cancer (CRPC) and is implicated in the intratumoral biosynthesis of testosterone and 5 alpha-dihydrotestosterone. Selective AKR1C3 inhibitors are required because compounds should not inhibit the highly related AKR1C1 and AKR1C2 isoforms which are involved in the inactivation of Sa-dihydrotestosterone. NSAIDs, N-phenylanthranilates in particular, are potent but nonselective AKR1C3 inhibitors. Using flufenamic acid, 2-{[3-(trifluoromethyl)phenyl]amino}benzoic acid, as lead compound, five classes of structural analogues were synthesized and evaluated for AKR1C3 inhibitory potency and selectivity. Structure-activity relationship (SAR) studies revealed that a meta-carboxylic acid group relative to the amine conferred pronounced AKR1C3 selectivity without loss of potency, while electron withdrawing groups on the phenylamino B-ring were optimal for AKR1C3 inhibition. Lead compounds did not inhibit COX-1 or COX-2 but blocked the AKR1C3 mediated production of testosterone in LNCaP-AKR1C3 cells. These compounds offer promising leads toward new therapeutics for CRPC.

  DOI：

  10.1021/jm201547v
• 作为产物：
  描述：

  对氯苯甲酸甲酯 、 4-硝基苯胺 在 potassium phosphate 、 tris-(dibenzylideneacetone)dipalladium(0) 、 2-(二环己基膦基)联苯 作用下， 以 乙二醇二甲醚 为溶剂， 反应 18.0h， 以82%的产率得到4-[(4-nitrophenyl)amino]benzoic acid methyl ester
  参考文献：
  名称：

  Simple, Efficient Catalyst System for the Palladium-Catalyzed Amination of Aryl Chlorides, Bromides, and Triflates

  摘要：

  Palladium complexes supported by (o-biphenyl)P(t-Bu)(2) (3) or (o-biphenyl)PCy2 (4) are efficient catalysts for the catalytic amination of a wide variety of aryl halides and triflates. Use of ligand 3 allows for the room-temperature catalytic amination of many aryl chloride, bromide, and triflate substrates, while ligand 4 is effective for the amination of functionalized substrates or reactions of acyclic secondary amines. The catalysts perform well for a large number of different substrate combinations at 80-110 degrees C, including chloropyridines and functionalized aryl halides and triflates using 0.5-1.0 mol % Pd; some reactions proceed efficiently at low catalyst levels (0.05 mol % Pd). These ligands are effective for almost all substrate combinations that have been previously reported with various other ligands, and they represent the most generally effective catalyst system reported to date. Ligands 3 and 4 are air-stable, crystalline solids that are commercially available. Their effectiveness is believed to be due to a combination of steric and electronic properties that promote oxidative addition, Pd-N bond formation, and reductive elimination.

  DOI：

  10.1021/jo991699y

文献信息

• Aminoarylation of alkynes using diarylanilines
  作者：Zi Liu、Michael F. Greaney

  DOI：10.1039/d4cc01935k

  日期：——

  Intermolecular aminoarylation of alkynes is described, via addition of diarylanilines to alkynes and Smiles–Truce rearrangement. The transformation manipulates the C–N bond of anilines directly, with no requirement for organometallic reagents or transition metal catalysis. The enaminoate products are versatile building blocks for different classes of heterocycles.

  描述了通过向炔烃中添加二芳基苯胺和 Smiles-Truce 重排来进行炔烃的分子间氨基芳基化。该转化直接操纵苯胺的C-N键，不需要有机金属试剂或过渡金属催化。烯胺酸酯产品是不同类别杂环的通用构建单元。