三缩四乙二醇 、
1-methyl-3,5-bis(chloromethyl)pyrazole 在
cesium chloride 、 sodium hydride 作用下,
生成
19-methyl-3,6,9,12,15-pentaoxa-19,20-diazabicyclo<15.2.1>icosa-1(20),17-diene 、 37,39-dimethyl-3,6,9,12,15,21,24,27,30,33-decaoxa-37,38,39,40-tetrazatricyclo<33,2.1.2
17,19>tetraconta-1(38),19(40),17,35-tetraene