6,8,15,17-tetramethyl-5,14-dihydrodibenzo[b,i][1,4,8,11]tetraazacyclotetradecine, dilthium salt 、 以
乙醚 为溶剂,
以68%的产率得到
参考文献:
名称:
Cycloaddition reactions of tetraaza macrocycle supported group 4 imido complexes and reversible addition of aryl isocyanate to a coordinated ureate ligand