Synlett

Synthesis of Unsymmetrical Heterobiaryls Using palladium-catalyzed cross-coupling reactions of lithium organozincates

A Seggio, A Jutand, G Priem, F Mongin

Index: Seggio, Anne; Jutand, Anny; Priem, Ghislaine; Mongin, Florence Synlett, 2008 , # 19 p. 2955 - 2960

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Citation Number: 9

Abstract

Abstract Several unsymmetrical heterobiaryls have been synthesized through palladium- catalyzed cross-coupling reactions of lithium triorganozincates. The latter have been prepared by deprotonative lithiation followed by transmetalation using non-hygroscopic ZnCl 2 TMEDA (0.33 equiv).