菲醌 、
2-[(2,4-dimethoxyphenyl)methylidene]-4,8-dimethoxyfuro[3,2-f][1]benzofuran-3-one 以
甲苯 为溶剂,
以20%的产率得到8-[(2,4-Dimethoxyphenyl)methyl]-5,11-dimethoxy-2,9,13,15-tetraoxaheptacyclo[14.12.0.03,14.04,12.06,10.017,22.023,28]octacosa-1(16),4,6(10),7,11,17,19,21,23,25,27-undecaen-7-ol