Electron-Catalyzed Cross-Coupling Reactions

Abstract

The cross-coupling reaction of aryl halides with various organometallic reagents has been found to proceed in the absence of a transition metal catalyst, which has been considered to be indispensable to promote the cross-coupling reaction. Here an electron works as a catalyst instead of a transition metal, giving coupling products derived from arylmagnesium, arylzinc, alkylzinc, alkynylzinc and arylboron reagents as well as magnesium amides.