Palladium-catalyzed oxidative tandem reaction of allylamines with aryl halides leading to α,β-unsaturated aldehydes
作者:Tao-Shan Jiang、Jin-Heng Li
DOI:10.1039/b917782e
日期:——
A novel tandem protocol involving a Heck reaction process for the synthesis of α,β-unsaturated aldehydes has been developed. In the presence of Pd(OAc), PPh3, NaOAc, TBAB and air, N-allylbenzenamines underwent the reaction with various aryl halides to afford the corresponding α,β-unsaturated aldehydes selectively in moderate to good yields. The protocol can also be used as a valuable route for the deallylation of arylamines.
开发了一种新颖的串联反应方案,涉及 Heck 反应过程,用于合成 α,β-不饱和醛。在 Pd(OAc)、PPh3、NaOAc、TBAB 和空气的存在下,N-烯丙基苯胺与各种芳基卤化物反应,以中等至良好的产率选择性地得到相应的 α,β-不饱和醛。该方案也可作为芳胺脱烯丙基化的有用途径。