Synthesis of 3,3-Disubstituted Isoindolin-1-ones via Iodoamination of α-Substituted Secondary 2-Vinylbenzamides
作者:Kazuhiro Kobayashi、Masanori Hase、Kenichi Hashimoto、Seiki Fujita、Miyuki Tanmatsu、Osamu Morikawa、Hisatoshi Konishi
DOI:10.1055/s-2006-942462
日期:2006.8
A new and simple method for the preparation of 3,3-disubstituted isoindolin-1-ones from α-substituted 2-bromostyrenes is described. Construction of the isoindolin-1-one skeleton was accomplished by treating α-substituted secondary 2-vinylbenzamides, easily obtainable from the reaction of α-substituted 2-lithiostyrenes with isocyanates, with iodine to afford 3-substituted 3-iodomethylisoindolin-1-ones.
本文介绍了一种从δ±-取代的 2-溴苯乙烯制备 3,3-二取代异吲哚啉-1-酮的简单新方法。δ-取代的仲2-乙烯基苯甲酰胺很容易从δ-取代的2-硫代苯乙烯与异氰酸酯的反应中获得,通过用碘处理δ-取代的仲2-乙烯基苯甲酰胺,得到3-取代的3-碘甲基异吲哚啉-1-酮,从而构建了异吲哚啉-1-酮的骨架。