[formula: see text] A mild and highly efficient cyclization of beta-hydroxy amides to oxazolines is described using DAST and Deoxo-Fluor reagents. A one-pot protocol for the synthesis of oxazoles from beta-hydroxy amides is also presented.
[公式:见正文]使用
DAST和Deoxo-Fluor试剂描述了将β-羟基酰胺温和高效环化为
恶唑啉的方法。还提出了一种由一锅法从β-羟基酰胺合成
恶唑的方案。