We have developed a green and facile approach for the straightforward installation of isoindolinone skeletons via a tandem reaction of 2-cyanobenzaldehydes and α,β-unsaturated ketones/esters. In the presence of catalytic amounts of the organocatalyst, fluorous phosphine, in green solvents at rt, a variety of isoindolinones were obtained in good to excellent yields without tedious column chromatography
Synthesis of 2,3-Diarylisoindolin-1-one by Copper-Catalyzed Cascade Annulation of 2-Formylbenzonitriles, Arenes, and Diaryliodonium Salts
作者:Li Liu、Shu-Hua Bai、Yang Li、Li-Xun Wang、Yang Hu、Hui-Ling Sung、Jian Li
DOI:10.1021/acs.joc.7b02035
日期:2017.10.20
A three-component cascade cyclization was developed to synthesize 2,3-diarylisoindolin-1-one by using 2-formylbenzonitrile, arenes, and diaryliodonium salts. The process underwent copper-catalyzed tandem C–N/C–C bond formation, producing isoindolin-1-one derivatives in good to excellent yields.
Copper-Catalyzed Ring Expansion of Cyclopropyl Ketones/Formation of <i>N</i>-acyliminium/Hetero-[4 + 2]-Cycloaddition: A Route to Substituted Pentacyclic Isoindolin-1-one
作者:Jian Li、Shuhua Bai、Yang Li、Zhengbing Wang、Xiaoyu Huo、Li Liu
DOI:10.1021/acs.joc.8b01120
日期:2018.8.3
salts for the construction of fused isoindolin-1-one compounds is achieved. Pentacyclic isoindolinone derivatives could be obtained in moderate to good yields. The proposed mechanism involved a ringexpansion of cyclopropyl ketones/formation of N-acyliminium/hetero-[4 + 2]-cycloaddition process.
A Three-component Cascade Cyclization to Construct 3-(2-Oxopropyl)-2-arylisoindolinone Derivatives via Copper-catalyzed Annulation
作者:Li Liu、Shu-Hua Bai、Yang Li、Xiao-Dan Ding、Qian Liu、Jian Li
DOI:10.1002/adsc.201701580
日期:2018.4.17
An efficient synthesis of a variety of poly‐substituted isoindolinone derivatives via copper‐catalyzed three‐component cascade cyclization among 2‐formylbenzonitriles, alkyl aryl ketones/prop‐1‐en‐2‐ylbenzene and diaryliodoniumsalts is achieved. Various isoindolinone derivatives could be obtained in good to excellent yields. A concise synthesis of dihydroisoindolo[2,1‐a]quinolin‐11(5H)‐ones have been
通过在2-甲酰基苄腈,烷基芳基酮/ prop-1-en-2-烯基苯和二芳基碘鎓盐之间进行铜催化的三组分级联环化反应,可以有效合成各种多取代的异吲哚啉酮衍生物。可以以优异的产率获得各种异吲哚啉酮衍生物。使用此方法可以实现简明的二氢异吲哚并[2,1 - a ]喹啉-11(5 H)-one的合成。