Using potassium ion as template and in THF solution, 18crown6 was synthesized in 51.58% yields by reaction of a mixture of triethylene glycol and dichlorotriethylenediether.

• 以钾离子为模板 ；用四氢呋喃作溶剂 ；以三甘醇和 3 ；6二氧 1 ；8二氯辛烷为原料 ；合成了 1 8冠 6；产率 51 .；58%25。