在乙腈溶液中,6,6'-二甲基-4,4'-(三亚甲二氧基)-二-2-吡喃酮与乙二醇二甲基丙烯酸酯类化合物(n=1～3)在二苯酮的光敏化作用下,经由光二重[2+2]环加成反应,同时合成了2种氧杂类的大环化合物,收率为14％和7％、20％和11％及31％和14％.产物的结构经FTIR、1H NMR和MS表征.该法具有反应条件温和、操作简单和对环境友好的优点.
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