[(2S,8S,14S,20S)-10,16,22-tris[[(1R,4S)-7,7-dimethyl-2-oxo-1-bicyclo[2.2.1]heptanyl]methylsulfonyloxy]-6,12,18,24-tetramethoxy-2,8,14,20-tetrakis(2-methylpropyl)-4-pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaenyl] [(1R,4S)-7,7-dimethyl-2-oxo-1-bicyclo[2.2.1]heptanyl]methanesulfonate 在
sodium hydroxide 作用下,
以
乙醇 、
水 为溶剂,
反应 36.0h,
以78%的产率得到2,8,14,20-tetraisobutyl-4,10,16,22-tetrahydroxy-6,12,18,24-tetramethoxycalix[4]arene