乙酸酐 、
大黄素甲醚-8-O-芸香糖苷 在
吡啶 作用下,
以15 mg的产率得到Acetic acid 6-methoxy-3-methyl-9,10-dioxo-8-[(2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-((2R,3R,4R,5S,6S)-3,4,5-triacetoxy-6-methyl-tetrahydro-pyran-2-yloxymethyl)-tetrahydro-pyran-2-yloxy]-9,10-dihydro-anthracen-1-yl ester