There is provided a method for the preparation of a 2-perfluoroalkyl-3-oxazolin-5-one compound of formula (II) comprising reacting an aminonitrile with a perfluoroacylating agent in the presence of a solvent to form a perfluoroalkanoyl aminonitrile intermediate and cyclizing the intermediate in the presence of an acid and at least one molar equivalent of water. Perfluoro-alkanoyl aminonitrile intermediates are also claimed.
wherein
nis an integer of 1,2,3,4,5,6,7 or 8;
Ris
Lis hydrogen or halogen.
提供了一种制备式(II)的 2-
全氟烷基-3-
噁唑啉-5-酮化合物的方法,该方法包括在溶剂存在下使
氨基腈与
全氟酰化剂反应生成
全氟烷酰基
氨基腈中间体,并在酸和至少一摩尔当量
水存在下使该中间体环化。还要求得到
全氟烷酰基
氨基腈中间体。
其中
n 为 1、2、3、4、5、6、7 或 8 的整数;
之二
Lis 氢或卤素。