2,2'-methylenebis(6-tert-butyl-4-methyl-o-phenylene) phosphorochloridite 、
三乙胺 、
4-氨基-1,2,2,6,6-五甲基哌啶 在
氮 、
正己烷 、
2,10-dimethyl-6-(1,2,2,6,6-pentamethylpiperidin-4-ylamino)-4,8-di-tert-butyl-12H-dibenzo-[d,g][1,3,2]dioxaphosphocine 作用下,
以
甲苯 为溶剂,
反应 2.0h,
以yields 7.7 g (57%) of 2,10-dimethyl-6-(1,2,2,6,6-pentamethylpiperidin-4-ylamino)-4,8-di-tert-butyl-12H-dibenzo-[d,g][1,3,2]dioxaphosphocine (57%) (compound (101)) as a white powder, m.p. 207°-216° C的产率得到2,10-dimethyl-6-(1,2,2,6,6-pentamethylpiperidin-4-ylamino)-4,8-di-tert-butyl-12H-dibenzo-[d,g][1,3,2]dioxaphosphocine