Facile Synthesis of Sterically Hindered and Electron-Deficient Secondary Amides from Isocyanates
作者:Gabriel Schäfer、Coraline Matthey、Jeffrey W. Bode
DOI:10.1002/anie.201204481
日期:2012.9.3
The big easy: The direct coupling of Grignard reagents to isocyanates provides a facile and robust solution for the synthesis of sterically hindered and electron‐deficient secondary amides. The products are obtained in high yields without the need for excess reagents or chromatographic purification.