Process method for preparing cryptand 222

The invention discloses a process method for preparing cryptand 222. The process method comprises the following steps: 1, taking tris[(2-ethylnenoxy)ethyl]amine as a raw material, and reacting to obtain an intermediate under catalytic actions of a Grubbs catalyst and alkali metal salts; and 2, adding a hydrogen source into the intermediate obtained in the step 1 under the catalytic action of a hydrogenation catalyst, and reacting, thereby obtaining the cryptand 222. The process method disclosed by the invention has the beneficial effects of short synthesis period and high yield. 本发明公开了种制备穴醚222的工艺方法，包括如下步骤：步骤、以三[(2-乙烯氧基)乙基]胺为原料，在Grubbs催化剂和碱金属盐催化作用下反应得到中间体；步骤二、将步骤中得到的所述中间体，在加氢催化剂催化作用下并加入氢源反应得到穴醚222。本发明具有合成周期更短、收率更高的有益效果。