溴乙酸乙酯 、 26,27,28-Tributoxy-5,11,17,23-tetratert-butylpentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3(28),4,6,9,11,13(27),15,17,19(26),21(25),22-dodecaen-25-ol 在
sodium hydride 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 48.0h,
以93%的产率得到Ethyl 2-[(26,27,28-tributoxy-5,11,17,23-tetratert-butyl-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]acetate