(12E,32E)-21-(2,4-dimethoxybenzyl)-8-hydroxy-22,25-dihydro-11H,21H,31H-1,3(3,1)-dipyrrolo[2,3-b]pyridina-2(3,4)-pyrrolacyclododecaphane-22,25-dione 在
甲烷磺酸 作用下,
以
二氯甲烷 为溶剂,
反应 15.0h,
以38%的产率得到19-Hydroxy-4,12,14,24,26-pentazahexacyclo[22.6.1.17,14.02,6.08,13.025,30]dotriaconta-1(31),2(6),7(32),8(13),9,11,25(30),26,28-nonaene-3,5-dione