N-(3-chloropropyl)-2-[[27-[2-(3-chloropropylamino)-2-oxoethoxy]-26,28-dihydroxy-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]acetamide 在
劳森试剂 、
sodium hydroxide 、
四丁基溴化铵 作用下,
以
甲苯 为溶剂,
反应 11.0h,
生成 13,20,34,41-Tetraoxa-16,37-diazaheptacyclo[30.10.1.111,22.05,42.07,12.021,26.028,33]tetratetraconta-1,3,5(42),7(12),8,10,21(26),22,24,28(33),29,31-dodecaene-15,36-dithione