AlCl<sub>3</sub>-Promoted Intramolecular Indolinone-Quinolone Rearrangement of Spiro[indoline-3,2′-quinoxaline]-2,3′-diones: Easy Access to Quinolino[3,4-<i>b</i>]quinoxalin-6-ones
作者:Vakhid A. Mamedov、Venera R. Galimullina、Zheng-Wang Qu、Hui Zhu、Victor V. Syakaev、Leisan R. Shamsutdinova、Mikhail A. Sergeev、Il’dar Kh. Rizvanov、Aidar T. Gubaidullin、Oleg G. Sinyashin、Stefan Grimme
DOI:10.1021/acs.joc.3c01906
日期:2024.1.19
A facile and direct intramolecular indolinone-quinolone rearrangement was developed for the synthesis of quinolino[3,4-b]quinoxalin-6-ones from spiro[indoline-3,2′-quinoxaline]-2,3′-diones, which are readily available with use of isatines, malononitrile, and 1,2-phenylenediamines under quite mild conditions. This efficient approach provides excellent yields and could potentially be used for the construction
开发了一种简便直接的分子内吲哚酮-喹诺酮重排,用于从螺环[吲哚啉-3,2'-喹喔啉]-2,3'-二酮合成喹啉代[3,4- b ]喹喔啉-6-酮,其为在相当温和的条件下使用靛红、丙二腈和 1,2-苯二胺很容易获得。这种有效的方法提供了优异的产量,并有可能用于构建不同的喹啉并[3,4- b ]喹喔啉-6-酮文库,用于药物化学中的高通量筛选。通过广泛的 DFT 计算探索了反应机理。