溴乙酸乙酯 、
sym-8,18,28-tri-tert-butyl-31,32,33-trihydroxy-2,3,12,13,22,23-hexahomo-3,13,23-trioxacalix[3]naphthalene 在
sodium hydride 作用下,
以
四氢呋喃 为溶剂,
反应 8.08h,
以15 mg的产率得到Ethyl 2-[[9,21,33-tritert-butyl-38,39-bis(2-ethoxy-2-oxoethoxy)-3,15,27-trioxaheptacyclo[27.7.1.15,13.117,25.06,11.018,23.030,35]nonatriaconta-1(37),5,7,9,11,13(39),17,19,21,23,25(38),29,31,33,35-pentadecaen-37-yl]oxy]acetate