(3,4-dihydro-2H-benzo[b][1,4]dioxepin-7-yl)-(3,5-dimethoxy-phenyl)-methanol 在
二氧化锰 作用下,
以
二氯甲烷 为溶剂,
反应 20.0h,
以gave (3,4-dihydro-2H-benzo[b][1,4]dioxepin-7-yl)-(3,5-dimethoxy-phenyl) -methanone as an oil (1.3 g, 72% yield)的产率得到(3,4-dihydro-2H-benzo[b][1,4]dioxepin-7-yl)-(3,5-dimethoxy-phenyl)-methanone