3,5-二叔丁基邻苯醌 、
4-Diphenylphosphanyl-1,3,5,7-tetramethyl-1,3,5,7-tetraza-4lambda5-phosphaspiro[3.3]heptane-2,6-dione 以
Petroleum ether 为溶剂,
反应 6.0h,
以9.6%的产率得到2-<1-(2,6-Dioxo-1,3,5,7-tetramethyl-1,3,5,7,4λ
5-tetraazaphosphaspiro<3.3>heptanyl)-3,5-di-tert-butylphenylen-1,2-dioxy>-2,2-diphenyl-4,5-(3,5-di-tert-butylbenzo)-1,3,2λ
5-dioxaphospholen