Short and Practical Synthesis of N′,N′-Disubstituted <i>N</i>-Aryl-1,2-Ethylenediamines by a Decarboxylative Ring-Opening Reaction under Nucleophilic Conditions
作者:Katsuhiko Iseki、Yasuhiro Morita、Takeshi Ishigaki、Kuniaki Kawamura
DOI:10.1055/s-2007-983810
日期:2007.8
N-aryl-1,2-ethylenediamines, starting from anilines, via N-aryloxazolidin-2-ones is described. A decarboxylative ring-opening reaction of N-aryloxazolidin-2-ones, using aliphatic secondary amines, is the key step in this procedure. A one-pot synthesis ofN-aryloxazolidin-2-ones is also described. N',N'-Disubstituted N-aryl-1,2-ethylenediamines are a useful building block for biologically active compounds
: 描述了从苯胺开始,通过 N-aryloxazolidin-2-ones 合成 N',N'-二取代的 N-aryl-1,2-乙二胺的简单实用的合成方法。使用脂肪族仲胺的 N-aryloxazolidin-2-ones 的脱羧开环反应是该过程的关键步骤。还描述了 N-aryloxazolidin-2-ones 的一锅法合成。N',N'-二取代的N-芳基-1,2-乙二胺是生物活性化合物的有用结构单元。