We describe a facile synthesis of carboxylic acid oxime esters in acetonitrile from the corresponding carboxylic acids and oximes catalyzed by 2-(1H-benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate in the presence of triethylamine at room temperature under mild conditions.
我们描述了一种在室温下、温和条件下,利用
三乙胺催化的2-(1H-苯并三唑-1-基)-1,1,3,3-四甲基尿喹烷四
氟硼酸盐,从相应的
羧酸和
肟在
乙腈中合成
羧酸肟酯的简便方法。