methyl 10,11-dimethoxy-5,12-dihydro-1-hydroxy-2-methoxycarbonyl-12-oxo-3-naphthacenylacetate 在
lead acetate 作用下,
以
甲醇 为溶剂,
生成 1,1'-dihydroxy-2,2'-bis(methoxycarbonyl)-3,3'-bis(methoxycarbonylmethyl)-10,10',11,11'-tetramethoxy-5,5'-binaphtacene-12,12'(5H,5'H)-dione