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Balkenhohl, Moritz; Knochel, Paul (2018): Regioselective C-H Activation of Substituted Pyridines and other Azines using Mg- and Zn-TMP-Bases. In: Synopen, Vol. 2, No. 1: pp. 78-95
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Abstract

\The metalation of substituted pyridines, diazines and related N-heterocycles using TMPMgCl center dot LiCl, TMP2Mg center dot 2LiCl, TMPZnCl center dot LiCl or TMP2Zn center dot 2LiCl(2) center dot 2MgCl(2) (TMP = 2,2,6,6-tetramethylpiperidyl) in the presence or absence of a Lewis acid is reviewed. Contents 1 Introduction 2 Magnesiation of Pyridines and Related Azines 2.1 Magnesiations using TMPMgCl center dot LiCl 2.2 Magnesiations using TMP2Mg center dot 2LiCl and Related Bases 2.3 BF3 center dot OEt2 Promoted Metalations of Pyridines 3 Zincation of Pyridines and Related Azines using TMPZnCl center dot LiCl and TMP2Zn center dot 2LiCl center dot 2MgCl(2) 4 Metalation of Pyridines using other TMP-Bases 5 Magnesiation and Zincation of Diazines 6 Conclusion