Improved microwave synthesis of unsymmetrical N,N'-diaryl-1,2-aminoethane and imidazolidinium salts as precursors of N-heterocyclic carbenes
作者:Yehia A. Ibrahim、Nouria A. Al-Awadi、Talal F. Al-Azemi、Elizabeth John
DOI:10.1039/c4ra06128d
日期:——
Microwave facilitates the difficult to accomplish lithium aluminium hydride reduction of bis-unsymmetric-diaryloxamides 3 especially for the sterically hindered mesityl derivatives.