tetra-C-hexylcalix<4>resorcinarene 、
六乙基亚磷酸胺 以
苯 为溶剂,
以90%的产率得到1,21,23,25-tetrahexyl-5,9,13,17-tetrakis(diethylamino)-2,20:3,19-dimetheno-1H,21H,23H,25H-bis[1,3,2,λ
3]dioxaphosphocino[5,4-i:5',4'-i']benzo[1,2-d:5,4-d']bis[1,3,2λ
3]benzodioxaphosphocine