8-Hydroxy-5-(3,4,5-trimethoxy-phenyl)-6-vinyl-5,6-dihydro-[1,3]dioxolo[4,5-g]quinoline-7-carboxylic acid ethyl ester 在
碘代三甲硅烷 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
以75%的产率得到5-(4-Hydroxy-3,5-dimethoxy-phenyl)-6-(2-iodo-ethyl)-8-oxo-5,8-dihydro-[1,3]dioxolo[4,5-g]quinoline-7-carboxylic acid ethyl ester