作者:Yan Xiang、Hai-Wei Xu、Wei Fan、Bo Jiang、Shu-Jiang Tu
DOI:10.1002/jhet.2097
日期:2015.3
and efficient domino [3 + 2] heterocyclization promoted by HCOOH has been established for unprecedented synthesis of 15 examples of 2‐hydroxyindole‐3,4‐(2H,5H)‐diones in good yields. The present methodology shows attractive properties such as mild reaction conditions, concise one‐pot operation, short reaction periods of 15–20 min, and easy purification. The resulting 2‐hydroxyindole‐3,4(2H,5H)‐diones
已经建立了由HCOOH促进的简单有效的多米诺[3 + 2]杂环化反应,以高收率空前合成15个2-羟基吲哚-3,4-(2 H,5 H)-二酮实例。本方法学显示出诱人的特性,例如温和的反应条件,简洁的一锅操作,15–20分钟的短反应时间以及易于纯化。由此产生的2-羟基吲哚-3,4(2 H,5 H)-二酮对有机和药物研究都很重要。