(3,4-Dihydroxy-2,6-dimethyl-phenyl)-acetic acid (E)-2-(5,7-dimethyl-2,3-dihydro-benzo[1,4]dioxin-6-yl)-vinyl ester 在
silver(l) oxide 作用下,
以
苯 为溶剂,
反应 1.0h,
以20 mg的产率得到(2,6-Dimethyl-3,4-dioxo-cyclohexa-1,5-dienyl)-acetic acid (E)-2-(5,7-dimethyl-2,3-dihydro-benzo[1,4]dioxin-6-yl)-vinyl ester