tert-butyl 4-(ethylamino)benzoate

• 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: tert-butyl 4-(ethylamino)benzoate
• 化学式: C₁₃H₁₉NO₂
• 分子量: 221.299
• InChiKey: FPBYIPIFJLLLCL-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.1
• 重原子数：
  16
• 可旋转键数：
  5
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.46
• 拓扑面积：
  38.3
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  tert-butyl 4-(ethylamino)benzoate 在 diethyl cyanophosphoridate 、 三乙胺 、 calcium carbonate 作用下， 以 N,N-二甲基乙酰胺 、 N,N-二甲基甲酰胺 为溶剂， 反应 22.33h， 生成 (S)-4-((S)-1-tert-Butoxycarbonyl-ethylcarbamoyl)-2-{4-[ethyl-(2-methyl-4-oxo-3,4-dihydro-quinazolin-6-ylmethyl)-amino]-benzoylamino}-butyric acid tert-butyl ester
  参考文献：
  名称：

  The Synthesis and Thymidylate Synthase Inhibitory Activity of L-.gamma.-L-Linked Dipeptide and L-.gamma.-Amide Analogs of 2-Desamino-2-methyl-N10-propargyl-5,8-dideazafolic acid (ICI 198583)

  摘要：

  Sixteen gamma-linked dipeptide and four L-Glu-gamma-amide analogues of 2-desamino-2-methyl-N-10-propargyl-5,8-dideazafolic acid (ICI 198583) have been synthesized and evaluated as inhibitors of thymidylate synthase (TS). Z-blocked L-Glu-gamma-L-linked dipeptides and L-Glu-gamma-amides were prepared by condensing alpha-tert-butyl-N-(benzyloxycarbonyl)-L-glutamic acid with the appropriate tert-butyl-protected L-amino acid or amine. The Z group was removed by catalytic hydrogenolysis, and the resulting dipeptides or L-Glu-gamma-amides were condensed with the appropriate pteroic acid analogue trifluoroacetate salt using diethyl cyanophosphoridate as coupling reagent. Deprotection with trifluoroacetic acid in the final step gave the desired quinazoline gamma-linked dipeptides and L-Glu-gamma-amides as their trifluoroacetate salts. Nearly all the dipeptide analogues were potent inhibitors of TS, the best being ICI 198583-gamma-L-2-aminoadipate (IC50 = 2 nM). Several of these dipeptides were found to be susceptible to enzymatic hydrolysis in mice. The quinazoline monocarboxylate L-Glu-gamma-amides, lacking an alpha'-carboxyl group, are less active against TS and L1210 cell growth but are also not susceptible to enzymatic hydrolysis in mice.

  DOI：

  10.1021/jm00046a014
• 作为产物：
  描述：

  4-氨基苯甲酸叔丁酯 、 丙酸 在 9-(2-chlorophenyl)acridine 、 二叔丁基过氧化物 、 copper(II) hexafluoroacetylacetonate 作用下， 以 乙酸乙酯 为溶剂， 反应 12.0h， 以69%的产率得到tert-butyl 4-(ethylamino)benzoate
  参考文献：
  名称：

  可见光直接脱羧 N-烷基化。

  摘要：

  由于胺在合成、药物发现和材料科学中的关键作用，从丰富的原料化学品中开发高效、选择性的 CN 键形成反应仍然是有机化学的中心主题。在此，我们提出了一种双催化系统，用于直接用羧酸对多种芳香族碳环和杂环胺进行 N-烷基化，绕过它们作为氧化还原活性酯的预活化。该反应通过可见光驱动、吖啶催化的脱羧作用实现，提供了获得 N-烷基化仲苯胺和叔苯胺以及 N-杂环的途径。其他例子，包括双烷基化、安装代谢稳定的氘代甲基以及串联环形成，进一步证明了直接脱羧烷基化（DDA）反应的潜力。

  DOI：

  10.1002/anie.201916710

文献信息

• [EN] BLOOD COAGULATION FACTOR XIA INHIBITOR<br/>[FR] INHIBITEUR DU FACTEUR XIA DE COAGULATION SANGUINE<br/>[ZH] 凝血因子XIa抑制剂
  申请人：SHANGHAI JINGXIN BIOMEDICAL CO LTD

  公开号：WO2021136390A1

  公开（公告）日：2021-07-08

  式I的凝血因子XIa抑制剂、包含其的药物组合物、其制备方法以及其在制备用于预防或治疗血栓和栓塞相关疾病的药物中的用途。
• Visible‐Light‐Enabled Direct Decarboxylative N‐Alkylation
  作者：Vu T. Nguyen、Viet D. Nguyen、Graham C. Haug、Ngan T. H. Vuong、Hang T. Dang、Hadi D. Arman、Oleg V. Larionov

  DOI：10.1002/anie.201916710

  日期：2020.5.11

  development of efficient and selective C-N bond-forming reactions from abundant feedstock chemicals remains a central theme in organic chemistry owing to the key roles of amines in synthesis, drug discovery, and materials science. Herein, we present a dual catalytic system for the N-alkylation of diverse aromatic carbocyclic and heterocyclic amines directly with carboxylic acids, by-passing their preactivation

  由于胺在合成、药物发现和材料科学中的关键作用，从丰富的原料化学品中开发高效、选择性的 CN 键形成反应仍然是有机化学的中心主题。在此，我们提出了一种双催化系统，用于直接用羧酸对多种芳香族碳环和杂环胺进行 N-烷基化，绕过它们作为氧化还原活性酯的预活化。该反应通过可见光驱动、吖啶催化的脱羧作用实现，提供了获得 N-烷基化仲苯胺和叔苯胺以及 N-杂环的途径。其他例子，包括双烷基化、安装代谢稳定的氘代甲基以及串联环形成，进一步证明了直接脱羧烷基化（DDA）反应的潜力。
• The Synthesis and Thymidylate Synthase Inhibitory Activity of L-.gamma.-L-Linked Dipeptide and L-.gamma.-Amide Analogs of 2-Desamino-2-methyl-N10-propargyl-5,8-dideazafolic acid (ICI 198583)
  作者：Graham M. F. Bisset、Vassilios Bavetsias、Timothy J. Thornton、Krzysztof Pawelczak、A. Hilary Calvert、Leslie R. Hughes、Ann L. Jackman

  DOI：10.1021/jm00046a014

  日期：1994.9

  Sixteen gamma-linked dipeptide and four L-Glu-gamma-amide analogues of 2-desamino-2-methyl-N-10-propargyl-5,8-dideazafolic acid (ICI 198583) have been synthesized and evaluated as inhibitors of thymidylate synthase (TS). Z-blocked L-Glu-gamma-L-linked dipeptides and L-Glu-gamma-amides were prepared by condensing alpha-tert-butyl-N-(benzyloxycarbonyl)-L-glutamic acid with the appropriate tert-butyl-protected L-amino acid or amine. The Z group was removed by catalytic hydrogenolysis, and the resulting dipeptides or L-Glu-gamma-amides were condensed with the appropriate pteroic acid analogue trifluoroacetate salt using diethyl cyanophosphoridate as coupling reagent. Deprotection with trifluoroacetic acid in the final step gave the desired quinazoline gamma-linked dipeptides and L-Glu-gamma-amides as their trifluoroacetate salts. Nearly all the dipeptide analogues were potent inhibitors of TS, the best being ICI 198583-gamma-L-2-aminoadipate (IC50 = 2 nM). Several of these dipeptides were found to be susceptible to enzymatic hydrolysis in mice. The quinazoline monocarboxylate L-Glu-gamma-amides, lacking an alpha'-carboxyl group, are less active against TS and L1210 cell growth but are also not susceptible to enzymatic hydrolysis in mice.