作者:Bo Chen、Jin-Bao Peng、Jun Ying、Xinxin Qi、Xiao-Feng Wu
DOI:10.1002/adsc.201800496
日期:2018.8.6
ureas has been developed. This one‐pot one‐step cascade procedure is consisted by three individual processes: carbonylation, Curtius rearrangement, and nucleophilic addition. A series of unsymmetrical ureas were prepared from easily available aryl iodides and amines in moderate to excellent yields. This procedure provides a convenient and practical approach for unsymmetrical urea synthesis.
已经开发了钯催化的羰基化合成不对称脲的方法。这一单锅一步式级联过程由三个独立的过程组成:羰基化,Curtius重排和亲核加成。由易得的芳基碘化物和胺以中等到极好的收率制备了一系列不对称脲。该程序为不对称尿素合成提供了方便实用的方法。