5,11,17,23-tetra-t-butyl-25,26,27,28-tetrahydroxycalix-4-arene 、
5-溴-1-戊烯 在
potassium carbonate 作用下,
以
丙酮 为溶剂,
以77%的产率得到5,11,17,23-Tetratert-butyl-26,28-bis(pent-4-enoxy)pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaene-25,27-diol