聚合甲醛 、
11,12,24,25-Tetrakis[(3,4-dimethoxyphenyl)methyl]-2,5,8,15,18,21-hexaoxatricyclo[20.4.0.09,14]hexacosa-1(22),9(14),10,12,23,25-hexaene 在
硫酸 作用下,
以
甲醇 、
氯仿 为溶剂,
反应 4.0h,
生成 syn-, anti-15,16,22,23,43,44,50,51-Octamethoxy-2,5,8,30,33,36-hexaoxanonacyclo[35.19.0.0
9,29.0
11,27.0
13,18.0
20,25.0
39,55.0
41,46.0
48,53]hexapentacontane-1(37),9(29),10,13(18),14,16,20(25),21,23,27,38,41(46),42,44,48(53),49,51,55-octadecaene