methoxymethyltriphenylphosphonium iodide 、
6-(8-methyl-9-oxo-8,9-dihydro-[1,3]dioxolo[4,5-h]isoquinolin-7-yl)benzo[1,3]dioxole-5-carbaldehyde 在
正丁基锂 作用下,
以
四氢呋喃 为溶剂,
以68%的产率得到(E/Z)-7-[6-(2-methoxyvinyl)benzo[1,3]dioxol-5-yl]-8-methyl-8H-[1,3]dioxolo[4,5-h]isoquinolin-9-one