Aza-Morita–Baylis–Hillman reactions catalyzed by a cyclopropenylidene
作者:Xun Lu、Uwe Schneider
DOI:10.1039/c6cc06201f
日期:——
Catalysis using a bis(dialkylamino)cyclopropenylidene (BAC) has been developed, which relies on a formal umpolung activation of Michael acceptor pro-nucleophiles.
The reaction of N-tosyl imines with heteroaromatic compounds: a new access to triheteroarylmethanes
作者:Baris Temelli、Dilek Isik Tasgin、Canan Unaleroglu
DOI:10.1016/j.tet.2010.06.070
日期:2010.8
Useful triheteroarylmethanes were prepared by the double Friedel–Crafts reaction of a wide variety of aromatic N-tosyl imines with furan, thiophene, and pyrrole in the presence of Cu(OTf)2 and Montmorillonite K-10 clay catalysts.