for producing spiro[indoline-3,4′-quinoline] was developed in ethanol using a photocatalyst eosin y and a 22 W LED lamp. This method involves the oxidative coupling of indole with enaminone and malononitrile. This method's key features include the absence of metals, low cost, environmental friendliness, greenness, non-toxicity, ease of handling, and use of renewable energy like visible light. This method
在最近的研究中,使用光催化剂 eosin y 和 22 W LED 灯在乙醇中开发了一种直接、有效且环保的生产螺 [indoline-3,4'-quinoline] 的方法。该方法涉及吲哚与烯胺酮和丙二腈的氧化偶联。该方法的主要特点包括不含金属、成本低、环境友好、绿色、无毒、易于处理以及使用可见光等可再生能源。该方法对吲哚和活性亚甲基化合物(包括不同的烯胺酮)具有广泛的底物范围。首次在良性反应条件下使用可见光介导的无金属多组分合成制备螺环化合物。
Efficient One-Pot Synthesis of Spirooxindole Derivatives Bearing Hexahydroquinolines Using Multicomponent Reactions Catalyzed by Ethylenediamine Diacetate
作者:Yong Lee、So Kang
DOI:10.1055/s-0033-1338506
日期:——
efficient one-potsynthesis of biologically interesting spirooxindole derivatives bearing hexahydroquinoline skeleton was accomplished by EDDA-catalyzed, three-component reactions between isatins, malononitrile, and enaminones in good yields. The value of this methodology lies in its inexpensive and nontoxic organocatalyst, mild reaction conditions, and ease of handling. A simple and efficient one-pot synthesis