Copper-catalyzed silylation of p-quinone methides: new entry to dibenzylic silanes† †Electronic supplementary information (ESI) available: Experimental details, characterization and crystallographic data. CCDC 1414585. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c5cc06653k Click here for additional data file. Click here for additional data file

An efficient and general copper(I)-catalyzed silylation of p-quinone-methides is described. Non-symmetric dibenzylic silanes are obtained in high yields under mild reaction conditions. These compounds can be used as bench-stable benzylic carbanion precursors.