[5-(7,17-Diacetyloxy-8,16-dimethoxy-3-oxo-4-propyl-1,4-diazapentacyclo[11.8.0.02,11.05,10.014,19]henicosa-2(11),5,7,9,12,14,16,18,20-nonaen-12-yl)-2-methoxyphenyl] acetate 在
乙醇 、 potassium hydroxide 作用下,
以95%的产率得到7,17-Dihydroxy-12-(3-hydroxy-4-methoxyphenyl)-8,16-dimethoxy-4-propyl-1,4-diazapentacyclo[11.8.0.02,11.05,10.014,19]henicosa-2(11),5,7,9,12,14,16,18,20-nonaen-3-one