1,10-Dihydroxy-11-methoxy-3-methoxycarbonylmethyl-5,12-dioxo-5,7,8,9,10,12-hexahydro-naphthacene-2-carboxylic acid methyl ester 在
pyridinium chlorochromate 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
生成
1O-hydroxy-12-methoxy-8-(methoxycarbonyl)-9-((methoxycarbonyl)methyl)-1-oxo-1,2,3,4-tetrahydro-6,11-naphthacenequinone