DDQ-promoted direct transformation of benzyl hydrocarbons to amides via tandem reaction of the CDC reaction and Beckmann rearrangement
作者:Jun Qiu、Ronghua Zhang
DOI:10.1039/c3ob41218k
日期:——
An atom-efficient and transition metal-free approach to amides from the corresponding benzyl hydrocarbons through C–H and C–C bond cleavage has been developed. Mechanistic studies have shown that a DDQ-promoted cross-dehydrogenative coupling (CDC) reaction with subsequent oxidation and rearrangement are involved in this transformation.
Efficient ligand-free copper-catalyzed N-arylation of amides with aryl halides in water
作者:Fui-Fong Yong、Yong-Chua Teo、Guan-Leong Chua、Gina Shiyun Lim、Yizhen Lin
DOI:10.1016/j.tetlet.2011.01.003
日期:2011.3
A convenient and efficient protocol has been developed for the cross-coupling of amides and aryl iodides using a ligand-freecopper(I) oxide catalyst in water. A variety of amide derivatives afforded the corresponding N-arylated products in moderate to good yields (up to 88%).