An Efficient Synthesis of<i>N</i>-Substituted-3-aryl-3-(4-hydroxy-6-methyl-2-oxo-2<i>H</i>-pyran-3-yl)propanamides by Four-Component Reaction in Aqueous Medium
作者:Guo-Lan Dou、De-Ming Wang、Xiao-Xing Zhong、Da-Qing Shi
DOI:10.1002/jhet.1000
日期:2013.1
mild and efficientsynthesis of N‐substituted‐3‐aryl‐3‐(4‐hydroxy‐6‐methyl‐2‐oxo‐2H‐pyran‐3‐yl)propanamides via four‐component reaction of an aldehyde, amine, Meldrum's acid, and 4‐hydroxy‐6‐methyl‐2H‐pyran‐2‐one in the presence of benzyltriethylammonium chloride (TEBAC) in aqueousmedium is described. This method has the advantages of accessible starting materials, good yields, mild reaction conditions