2-溴-2-甲基丙二酸二乙酯 、
5,11,17,23-tetra-tert-butyl-25,27-di(ethoxycarbonylmethoxy)-26,28-dihydroxycalix[4]arene 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
以40%的产率得到Diethyl 2-methyl-2-[[5,11,17,23-tetratert-butyl-27-(1,3-diethoxy-2-methyl-1,3-dioxopropan-2-yl)oxy-26,28-bis(2-ethoxy-2-oxoethoxy)-25-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-dodecaenyl]oxy]propanedioate