Palladium-assisted multicomponent cyclization of aromatic aldehydes, arylamines and terminal olefins under molecular oxygen: an assembly of 1,4-dihydropyridines
作者:Huanfeng Jiang、Xiaochen Ji、Yibiao Li、Zhengwang Chen、Azhong Wang
DOI:10.1039/c1ob05440f
日期:——
reactions of aldehydes, amines and olefins proceeded smoothly to give 2,6-unsubstituted 1,4-dihydropyridines (1,4-DHPs) usingmolecularoxygen as a sole oxidant. It also provides efficientPd-catalyzed aerobic oxidation access to the anti-Markovnikov oxidative amination products of olefins from primary aromatic amines and alkenes. The method is atom-efficient, using cheap and easily available starting