2-溴吡啶置于lithium Di-Tert-Butyltetramethylpiperidinozincate,碘体系中,用 乙醚 用作溶剂,以86%的收率获得2-溴-6-碘吡啶 参考文献: 标题: 摘要:Regiochemistry In The Deprotonation Of Bromopyridines Was Found To Be Greatly Influenced By The Choice Of Metal Amide Base,And Da-Zincate And Tmp-Zincate Turned Out To Be Excellent Complementary Practical Agents For Regioselective Metalation Of Bromopyridines. Doi:10.1039/b108252N