2-(3-Acetyl-1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracen-2-yl)-4,4-dimethoxy-3-oxo-pentanoic acid methyl ester 在
三乙胺 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以10%的产率得到2-(1,1-Dimethoxy-ethyl)-4,5,12-trihydroxy-6,11-dioxo-6,11-dihydro-naphthacene-1-carboxylic acid methyl ester