📜正丙胺,4,6-二氯嘧啶置于三乙胺体系中,用 乙醇 作为反应溶剂,化学反应 17.0H,以91%的收率获得产物4-氯-6-丙基氨基嘧啶
参考文献:Selective Mono-Amination Of Dichlorodiazines
标题:Selective Mono-Amination Of Dichlorodiazines
摘要:A Mild,Easy-To-Perform,And Versatile Method For The Formation Of Aminochlorodiazines From Reaction Of Several Types Of Dichlorodiazines (I.E.,Pyridazines,Pyrimidines,And Pyrazines) With Primary Or Secondary Amines In Ethanol In The Presence Of Triethylamine As A Base,Is Described. The Methodology Is General And Efficient Despite Noticeable Difference In Reactivity Between Diazines. While Dichloropyridazine And Dichloropyrazine Require Several Hours Of Heating At Reflux For The Reaction To Proceed,Dichloropyrimidines Reach Completion Within Minutes At Room Temperature. (C) 2015 Elsevier Ltd. All Rights Reserved.
DOI:10.1016/j.Tet.2015.05.056