2-(oxazolin-2-yl)alkanoates in good to excellent yields under microwave heating. The method is a convenient and clean reaction without any activators and catalysts and can be also applied in the synthesis of 2-(oxazolin-2-yl)alkanamides and 1-(oxazolin-2-yl)alkylphosphonates.
2-重氮-3-氧代烷酸烷基酯生成烷氧基羰基烯酮,其与
氮丙啶发生亲电扩环,在微波加热下以良好至优异的产率得到 2-(
恶唑啉-2-基)烷酸烷基酯。该方法无需任何活化剂和催化剂,简便、清洁反应,还可用于合成2-(
恶唑啉-2-基)链烷酰胺和1-(
恶唑啉-2-基)烷基
膦酸酯。