戊醇 、
对甲苯磺酸 、
2,8,13,19-Tetrakis(1,1-dimethylethyl)-11H,22H-4,6:6,10:15,17:17,21-tetramethanodibenzo<1,10>dioxacyclooctadecin-23,25-dione 以
甲苯 为溶剂,
反应 6.0h,
以31%的产率得到(11,17,23-Tritert-butyl-25,26,27,28-tetrahydroxy-5-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) 4-methylbenzenesulfonate