An efficient method for the synthesis of benzolactones and benzolactams via a cobalt-catalyzed [2 + 2 + 2] cocyclotrimerization of alkynyl alcohols and alkynyl amines with propiolates is described.
描述了一种高效的方法,通过
钴催化的[2 + 2 + 2]共聚三聚反应,将炔醇和炔胺与
丙炔酸盐合成苯内酯和苯内酰胺。