甲醇 、
2-O-(4-O-methyl-α-D-glucopyranosyluronic acid)-D-xylose 在
Dowex 50W X-8 resin 作用下,
反应 24.0h,
生成 (2S,3S,4R,5R,6S)-6-((2S,3R,4S,5R)-4,5-Dihydroxy-2-methoxy-tetrahydro-pyran-3-yloxy)-4,5-dihydroxy-3-methoxy-tetrahydro-pyran-2-carboxylic acid methyl ester