(3,4-dihydro-2H-(1,4)dioxepino(2,3-c)pyridin-8-yl)methanol 在
manganese dioxide resultant residue 、 silica gel 、
乙酸乙酯 作用下,
以
氯仿 为溶剂,
反应 2.33h,
以ethyl acetate=1:1 to obtain 2.2 g of 3,4-dihydro-2H-(1,4)dioxepino(2,3-c)pyridine-8-carbaldehyde as a light yellowish white solid的产率得到3,4-dihydro-2H-(1,4)dioxepino(2,3-c)pyridine-8-carbaldehyde