乙酸酐 、
erythro-1-(α,3-dihydroxy-4-methoxybenzoyl)-2,2-dimethyl-6,7-methylenedioxy-1,2,3,4-tetrahydroisoquinolinium chloride 以
吡啶 为溶剂,
反应 36.0h,
以19 mg的产率得到(S)-5-[(S)-Acetoxy-(3-acetoxy-4-methoxy-phenyl)-methyl]-6,6-dimethyl-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinolin-6-ium; chloride