A LiCl??Mediated Br/Mg Exchange Reaction for the Preparation of Functionalized Aryl??and Heteroarylmagnesium Compounds from Organic Bromides

A Krasovskiy, P Knochel

Index: Krasovskiy, Arkady; Knochel, Paul Angewandte Chemie - International Edition, 2004 , vol. 43, # 25 p. 3333 - 3336

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Citation Number: 657

Abstract

Polyfunctionalized organometallic reagents are ubiquitous intermediates in modern organic chemistry.[1] One of the best methods for preparing these reagents is the halogen–metal exchange reaction.[1, 2] Whereas Br/Li exchange is fast and occurs at low temperatures, the corresponding Br/Mg exchange [3] is considerably slower, which limits its synthetic application for several reasons: 1) The exchange requires higher reaction temperatures ...

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