Aza-Michael Addition Reactions of Hydrazones with Activated Alkynes Catalyzed by Nitrogen-Containing Organic Bases
作者:Zhi-Liang Yuan、Yin Wei、Min Shi
DOI:10.1002/ejoc.201000365
日期:2010.7
2]-octane)-catalyzed Michael-type reactions of hydrazones with activated alkynes are described in this paper. This aza-Michael addition reaction can be applied to different types of hydrazones, such as hydrazones 1 and hydroxy-bearing hydrazones 5. The corresponding adducts are achieved in high yields under mild reaction conditions. DABCO-promoted aza-Michael addition reactions were successfully applied to
本文描述了几种高效的 DABCO(1,4-二氮杂双环 [2.2.2]-辛烷)催化腙与活化炔烃的迈克尔型反应。这种氮杂-迈克尔加成反应可以应用于不同类型的腙,如腙1和含羟基的腙5。相应的加合物在温和的反应条件下以高产率获得。DABCO 促进的氮杂-迈克尔加成反应成功地应用于一系列具有活化炔烃的腙,以中等至良好的产率提供相应的加合物。