1-吡啶-4-基-4-三苯甲基-哌嗪置于正丁基锂,N,N-二甲基乙醇胺,三氟乙酸体系中,用 正己烷,二氯甲烷,甲苯 作为反应溶剂,化学反应 3.0H,反应生成 1-(2-氯吡啶-4-基)哌嗪
参考文献:First Selective Lithiation Of Pyridylpiperazines: Straightforward Access To Potent Pharmacophores
标题:First Selective Lithiation Of Pyridylpiperazines: Straightforward Access To Potent Pharmacophores
摘要:The Three Isomers Of Pyridylpiperazines Have Been Lithiated For The First Time. The Use Of A Superbase,An Aminoalkoxide Containing Lithiating Agent Overcomes The Chelating Influence Of The Basic Piperazine Nitrogens,So That Selective Mono Lithiation occurred Alpha To Pyridine Nitrogen. This Methodology Offers A New Access To Diverse Potent Pharmacophores Not Easily Prepared By Other Routes. (C) 2005 Elsevier Ltd. All Rights Reserved.
DOI:10.1016/j.Tet.2005.03.026