2-[[1,8-dihydroxy-3-(hydroxymethyl)-10-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-10H-anthracen-9-ylidene]amino]acetic acid 在
Jones reagent 作用下,
以
甲醇 为溶剂,
以43%的产率得到2-[[1,8-dihydroxy-3-(hydroxymethyl)-10H-anthracen-9-ylidene]amino]acetic acid