POCl3 as a chlorinating agent under metal-free reaction conditions. Mechanistic studies show that the reaction proceeded via nucleophilic attack of POCl3 on the nitrogen of the quinoline ring in a stereoselective manner. The resulting products were versatile intermediates in organic synthesis and were used in the cross-coupling reaction and metal-free synthesis of heterocycles. The developed protocol features
使用POCl3作为无
金属反应条件下的
氯化剂,可实现
乙炔氮杂杂环的有效盐酸盐化。机理研究表明,该反应是通过立体选择性的方式,通过POCl3对
喹啉环氮的亲核攻击而进行的。所得产物是有机合成中的通用中间体,并用于杂环的交叉偶联反应和无
金属合成中。所开发的方案具有廉价且易于合成的起始原料,易于操作,效率高和产物产率高的特点。