3-(4,5-Dihydroxy-9,10-dioxo-9,10-dihydro-anthracen-2-ylmethyl)-4-oxo-pentanal 在
alkaline dithionite 作用下,
生成 (8S,10R)-8-Acetyl-1,10,11-trihydroxy-7,8,9,10-tetrahydro-naphthacene-5,12-dione 、 (8R,10R)-8-Acetyl-1,10,11-trihydroxy-7,8,9,10-tetrahydro-naphthacene-5,12-dione