diisopropyl (E)-azodicarboxylate 、
tert-Butyl-(4,8-di-tert-butyl-2,10-dimethyl-12H-5,7-dioxa-6-phospha-dibenzo[a,d]cycloocten-6-yl)-amine 以
甲苯 为溶剂,
以87%的产率得到tert-butyl-[1,9-ditert-butyl-3,7-dimethyl-11-[propan-2-yloxycarbonyl-(propan-2-yloxycarbonylamino)amino]-5H-benzo[d][1,3,2]benzodioxaphosphocin-11-ium-11-yl]azanide