A Facile and Efficient Synthesis of Polyfunctionalized Pyridin-2(1<i>H</i>)-ones from β-Oxo Amides under Vilsmeier Conditions
作者:Dexuan Xiang、Kewei Wang、Yongjiu Liang、Guangyuan Zhou、Dewen Dong
DOI:10.1021/ol702846t
日期:2008.1.1
A facile and efficient one-pot synthesis of polysubstituted pyridin-2(1H)-ones from a variety of beta-oxo amides under Vilsmeier conditions is described, and a mechanism involving sequential halogenation, formylation and intramolecular nucleophilic cyclization is proposed.
描述了在维尔斯迈尔条件下从多种β-氧代酰胺轻松高效地一锅合成多取代的吡啶-2(1H)-一的方法,并提出了一种涉及顺序卤化,甲酰化和分子内亲核环化的机理。