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.
大容易:格氏试剂的异氰酸酯的直接耦合提供了一种容易的和的空间合成强大的解决方案受阻和缺电子的仲酰胺。该产品在高收率,而不需要过量的试剂或色谱纯化获得。