溴氯甲烷 、 5,11,17,23-Tetrabromo-2,8,14,20-tetrakis(4-methylphenyl)pentacyclo<19.3.13,7.19,13.115,19.1>octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene-4,6,10,12,16,18,22,24-octol 在
potassium carbonate 作用下,
以
二甲基亚砜 为溶剂,
反应 36.0h,
以5.3%的产率得到7,11,15,28-Tetrabromo-1,21,23,25-tetrakis(4-methylphenyl)-2,20:3,19-dimetheno-1H,21H,23H,25H-bis<1,3>dioxocino<5,4-i:5',4'-i'>benzo<1,2-d:5,4-d'>bis<1,3>benzodioxocin