4-{[12-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-dodecanoylamino]-methyl}-cyclohexanecarboxylic acid                                                                                                                                                              在
                                                                                                                                                                                 
potassium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
水   、                                                                                         
丙酮                                                                                  为溶剂,
                                                                                                                                                                                        以72%的产率得到8,9,10,11,12,13,14,15,16,17,20,21,22,23,24,24a-hexadecahydro-24a-hydroxy-21,24-ethano[1,8]diazacycloeicosino[2,1-a]isoindole-5,18(7H,19H)-dione