(2-(1-((2R,3R,4S,5R,6R)-3,4,5-triacetoxy-6-(acetoxymethyl)tetrahydro-2H-pyran-2-yl)-1H-indol-3-yl)acetyl)-L-glutamic acid 在
氢氧化钾 作用下,
以100%的产率得到(2S)-2-[[2-[1-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]indol-3-yl]acetyl]amino]pentanedioic acid