、
香草醛 在
哌啶 作用下,
以
甲醇 为溶剂,
反应 48.0h,
生成
(1E,4Z,6E)-1-(4-hydroxy-3-methoxyphenyl)-4-[(4-hydroxy-3-methoxyphenyl)methylidene]-7-(2,6,6-trimethylcyclohexen-1-yl)hepta-1,6-diene-3,5-dione 、 (1E,4E,6E)-1-(4-hydroxy-3-methoxyphenyl)-4-[(4-hydroxy-3-methoxyphenyl)methylidene]-7-(2,6,6-trimethylcyclohexen-1-yl)hepta-1,6-diene-3,5-dione