N-(3-chloropropyl)-2-[[5,11,17,23-tetratert-butyl-26-[2-(3-chloropropylamino)-2-oxoethoxy]-27,28-dihydroxy-25-pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9(27),10,12,15(26),16,18,21,23-dodecaenyl]oxy]acetamide 在
sodium hydroxide 、
四丁基溴化铵 作用下,
以
甲苯 为溶剂,
反应 6.0h,
以71%的产率得到3,9,24,30-Tetratert-butyl-13,20,34,41-tetraoxa-16,38-diazaheptacyclo[30.10.1.111,22.05,42.07,12.021,26.028,33]tetratetraconta-1(42),2,4,7,9,11,21(26),22,24,28(33),29,31-dodecaene-15,39-dione