Iron-catalyzed synthesis of cyclopropanes by <i>in situ</i> generation and decomposition of electronically diversified diazo compounds
作者:Emmanuelle M. D. Allouche、Afnan Al-Saleh、André B. Charette
DOI:10.1039/c8cc07060a
日期:——
The modular synthesis of a variety of trans 1,2-disubstituted cyclopropanes in a safe and user-friendly one-pot iron-catalyzed cyclopropanation reaction is described. Easily synthesized N-nosylhydrazones are used as diazo precursors, allowing the in situ generation of electron-rich diazo compounds under mild reaction conditions and their direct participation in the cyclopropanation reaction.
描述了在安全和用户友好的一锅铁催化的环丙烷化反应中各种反式1,2-二取代的环丙烷的模块化合成。易于合成的N- nosylhydrazones用作重氮前体,可在温和的反应条件下原位生成富电子的重氮化合物,并直接参与环丙烷化反应。