2-[2,6-Di-tert-butyl-5-(2,2-dimethyl-propionyl)-4-oxo-4H-[1,3]dioxin-2-yl]-4,4-dimethyl-pent-1-ene-1,3-dione 、
4',4''-diamino-dibenzo-15-crown-5 以
二氯甲烷 为溶剂,
反应 72.0h,
以75%的产率得到4,4'-bis-(1,3,5,7-tetra-t-butyl-2,6,9-trioxabicyclo[3.3.1]nona-3,7-diene-4-yl-carbonylamino)-dibenzo-15-crown-5