9-(4-Hydroxyphenyl)-3,3,6,6,10-pentamethyl-1,2,3,4,5,6,7,8,9,10-decahydroacridine-1,8-dione 、
二对甲苯磺酸戊乙二醇 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
以44%的产率得到3,3,6,6,10-pentamethyl-9-[4-[2-[2-[2-[2-[2-[4-(3,3,6,6,10-pentamethyl-1,8-dioxo-4,5,7,9-tetrahydro-2H-acridin-9-yl)phenoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]phenyl]-4,5,7,9-tetrahydro-2H-acridine-1,8-dione