Advanced Synthesis & Catalysis

Nickel (0)/Imidazolium Carbene Catalyst System for Efficient Cross??Coupling of Aryl Bromides and Chlorides with Organomanganese Reagents

A Leleu, Y Fort, R Schneider

Index: Leleu, Anne; Fort, Yves; Schneider, Raphael Advanced Synthesis and Catalysis, 2006 , vol. 348, # 9 p. 1086 - 1092

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Citation Number: 26

Abstract

Abstract N, N′-Bis (2, 6-diisopropylphenyl) imidazolium chloride associated with nickel (II) acetylacetonate (3–5 mol%) was used as catalyst to efficiently cross-couple functionalized aryl bromides with organomanganese reagents. The reactions were performed between 0 C and room temperature, giving unsymmetrical biaryls in 0.25 to 24 h with 52 to 100% yields for isolated materials. Aryl chlorides showed slightly diminished reactivity in Ni/2 IPr- ...

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