[4-(2-Bromoacetyl)phenyl]methyl benzoate 、 2-[[26,27-bis[2-(diethylamino)-2-oxoethoxy]-28-hydroxy-25-pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3(28),4,6,9(27),10,12,15,17,19(26),21,23-dodecaenyl]oxy]-N,N-diethylacetamide 在
potassium carbonate 作用下,
以
丙酮 为溶剂,
生成