Activation of the Si−B Linkage: Copper-Catalyzed Addition of Nucleophilic Silicon to Imines
作者:Devendra J. Vyas、Roland Fröhlich、Martin Oestreich
DOI:10.1021/ol200509c
日期:2011.4.15
quickly developed into a practical method to generate Cu−Si reagents. These silicon nucleophiles cleanly add to aldehyde-derived imine electrophiles to form α-silylated amines in protic media, and no carbon-to-nitrogen Brook-type rearrangement of the intermediate anion is observed. Aside from electron-withdrawing groups at the imine nitrogen atom, for example, SO2Tol and P(O)Ph2, previously delicate nitrogen