ethyl 2-amino-2',5-dioxo-1',2',5,6,7,8-hexahydrospiro[chromene-4,3'-indole]-3-carboxylate

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吲哚及其衍生物
• 英文名称: ethyl 2-amino-2',5-dioxo-1',2',5,6,7,8-hexahydrospiro[chromene-4,3'-indole]-3-carboxylate
• 英文别名: ethyl 2-amino-2',5-dioxo-5,6,7,8-tetrahydro-spiro[chromene-4,3'-indoline]-3-carboxylate；ethyl-2-amino-2',5-dioxo-5,6,7,8-tetrahydrospiro-[chromene-4,3'-indoline]-3-carboxylate；ethyl 2-amino-2',5-dioxo-5,6,7,8-tetrahydrospiro[chromene-4,3'-indoline]-3-carboxylate；ethyl 2'-amino-2,5'-dioxospiro[1H-indole-3,4'-7,8-dihydro-6H-chromene]-3'-carboxylate
• 化学式: C₁₉H₁₈N₂O₅
• 分子量: 354.362
• InChiKey: COEZGGSAVVOELU-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.1
• 重原子数：
  26
• 可旋转键数：
  3
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.32
• 拓扑面积：
  108
• 氢给体数：
  2
• 氢受体数：
  6

反应信息

• 作为产物：
  描述：

  ethyl 2-(2-oxoindolin-3-ylidene)cyanoacetate 、 1,3-环己二酮 在 三乙醇胺 作用下， 以 乙醇 为溶剂， 生成 ethyl 2-amino-2',5-dioxo-1',2',5,6,7,8-hexahydrospiro[chromene-4,3'-indole]-3-carboxylate
  参考文献：
  名称：

  Synthesis of fused 2′-amino-3′-R-spiro-[indole-3,4′-pyran]-2(1H)-ones

  摘要：

  An efficient one-pot procedure has been proposed for the synthesis of fused 2'-amino-3'-R-spiro-[indole-3,4'-pyran]-2(1H)-ones via base-catalyzed three-component condensation of isatins with the corresponding nitriles and 1,3-diketones.

  DOI：

  10.1134/s1070428008120117

文献信息

• Synthesis of functionalized chromene and spirochromenes using l -proline-melamine as highly efficient and recyclable homogeneous catalyst at room temperature
  作者：Sakkani Nagaraju、Banoth Paplal、Kota Sathish、Santanab Giri、Dhurke Kashinath

  DOI：10.1016/j.tetlet.2017.09.060

  日期：2017.11

  commercially cheap l-proline and melamine for the synthesis of chromenes and spirochromenes (spirooxindoles) via multicomponent reactions at room temperature. Systematic studies were conducted in order to achieve desired reactivity and recyclability of the catalyst using various α-amino acids and aromatic amines as donor-acceptor pairs. Among the screened combinations, l-proline and melamine (3:1 ratio;

  使用便宜的1-脯氨酸和三聚氰胺开发了一种有效且可循环使用的均相催化剂，用于在室温下通过多组分反应合成色烯和螺环色酮（螺并辛多烯）。为了使用各种α-氨基酸和芳族胺作为供体-受体对，进行系统研究以实现所需的反应性和催化剂的可回收性。在筛选的组合中，l脯氨酸和三聚氰胺（3：1的比例；占总重量的3 mol％）被认为是最佳的催化剂，可以在室温下非常短的时间内（1-15分钟）以优异的产率（高达99％）提供所需的产品在DMSO中作为溶剂。通过添加EtOAc来回收催化剂，并且在不损失催化活性的情况下重复使用多达5个循环。
• Ethylenediammonium diformate (EDDF) in PEG600: an efficient ambiphilic novel catalytic system for the one-pot synthesis of 4H-pyrans via Knoevenagel condensation
  作者：Anuj Thakur、Mohit Tripathi、U. Chinna Rajesh、Diwan S. Rawat

  DOI：10.1039/c3ra42410c

  日期：——

  system was developed as a catalyst for the Knoevenagel condensation and Knoevenagel initiated three-component one-pot synthesis of 4H-pyrans at room temperature with high yields and in short reaction times. Further, the EDDF-PEG600 catalytic system was recycled six times without any appreciable loss in its activity and hence can be termed as a green, environmentally benign catalytic system. A plausible

  开发了一种新型的乙二酸二铵-聚乙二醇（EDDF-PEG 600）系统作为Knoevenagel缩合的催化剂，Knoevenagel在室温下以高收率和较短的反应时间开始了4 H-吡喃的三组分一锅法合成。此外，EDDF-PEG 600催化体系被循环使用了六次而活性没有明显损失，因此可以称为绿色环保型催化体系。已经提出了描述EDDF（催化剂）和PEG（促进介质）的协同作用的合理机制。
• One-Pot Three-Component Synthesis of Spirooxindoles Catalyzed by Hexamethylenetetramine in Water
  作者：Guo-Dong Wang、Xiao-Nan Zhang、Zhan-Hui Zhang

  DOI：10.1002/jhet.994

  日期：2013.1

  convenient, and multicomponent strategy for synthesis of spirooxindole derivatives has been developed. This strategy provides a rapid access to construct a diversity‐oriented library of spirooxindoles by using three simple and readily available isatin, malononitrile or cyanoacetic ester, and 1,3‐dicarbonyl compound catalyzed by hexamethylenetetramine in water.

  已经开发出一种简单，方便和多组分合成螺环吲哚衍生物的策略。通过使用三种简单易得的Isatin，丙二腈或氰基乙酸酯以及六亚甲基四胺在水中催化的1,3-二羰基化合物，该策略可快速构建以螺菌毒素为导向的多样性文库。
• Efficient One-Pot Synthesis of Spirooxindole Derivatives Catalyzed by <scp>l</scp>-Proline in Aqueous Medium
  作者：Yuling Li、Hui Chen、Chunling Shi、Daqing Shi、Shunjun Ji

  DOI：10.1021/cc9001185

  日期：2010.3.8

  An efficient one-pot synthesis of spirooxindole derivatives by three-component reaction of isatins, malononitrile (cyanoacetic ester) and 1,3-dicarbonyl compounds in water in the presence of l-proline is reported. This new protocol has the advantages of environmental friendliness, higher yields, shorter reaction times, low cost, and convenient operation.

  据报道，在1-脯氨酸存在下，靛红，丙二腈（氰基乙酸酯）和1,3-二羰基化合物在水中的三组分反应可有效地一锅合成螺环吲哚衍生物。该新方案具有环境友好，产率高，反应时间短，成本低和操作方便的优点。
• A clean and expedient synthesis of spirooxindoles in aqueous media catalyzed over nanocrystalline MgO
  作者：Bikash Karmakar、Anupam Nayak、Julie Banerji

  DOI：10.1016/j.tetlet.2012.07.030

  日期：2012.9

  An efficient and eco-friendly method for the synthesis of spirooxindoles with fused tetrahydrochromenes has been demonstrated using basic nanocrystalline MgO catalyst in aqueous condition. The method has been applied for the synthesis of a range of compounds with variable functionalities in excellent yield and selectivity.

  使用碱性纳米晶体MgO催化剂在水性条件下，已经证明了一种有效的和生态友好的方法，该方法可与熔融的四氢苯并二氢萘合成螺硫辛醇。该方法已用于以优异的产率和选择性合成具有可变功能的一系列化合物。