Lewis Acid-Catalyzed Diastereoselective Synthesis of Multisubstituted <i>N</i>-Acylaziridine-2-carboxamides from 2<i>H</i>-Azirines via Joullié–Ugi Three-Component Reaction
作者:Anikó Angyal、András Demjén、Edit Wéber、Anita K. Kovács、János Wölfling、László G. Puskás、Iván Kanizsai
DOI:10.1021/acs.joc.7b03189
日期:2018.4.6
A ZnCl2-catalyzed diastereoselective Joullié–Ugi three-component reaction from 2H-azirines, isocyanides, and carboxylic acids was established. The protocol allows the preparation of highly and diversely functionalized N-acylaziridine-2-carboxamide derivatives in up to 82% isolated yields. Moreover, the applicability of N-acylaziridines is demonstrated through a variety of transformations.
建立了由2 H-叠氮基,异氰酸酯和羧酸组成的ZnCl 2催化的非对映选择性Joullié-Ugi三组分反应。该方案允许以高达82%的分离产率制备高度多样化的功能化N-酰基氮丙啶-2-羧酰胺衍生物。而且,通过各种转化证明了N-酰基氮丙啶的适用性。