5,11,17,23-tetra-t-butyl-25,26,27,28-tetrahydroxycalix-4-arene 、
tin(II) dimethylamide 以
甲苯 为溶剂,
以78%的产率得到3,9,19,25-tetratert-butyl-13,15,29,31-tetraoxa-14λ2,30λ2-distannaheptacyclo[25.5.1.111,17.05,32.07,12.016,21.023,28]tetratriaconta-1(32),2,4,7,9,11,16,18,20,23,25,27-dodecaene