α-1,6-xylopyranose-β-1,4-glucopyranose-(α-1,6-xylopyranose)-β-1,4-glucopyranose-(α-1,6-xylopyranose)-β-1,4-glucopyranose-glucopyranose 、
4-(4,6-二甲氧基三嗪-2-基)-4-甲基吗啉盐酸盐 在
2,6-二甲基吡啶 作用下,
以
水 为溶剂,
以44%的产率得到(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6S)-6-[(2R,3S,4R,5R,6S)-6-[(2R,3S,4R,5R,6S)-6-[(4,6-dimethoxy-1,3,5-triazin-2-yl)oxy]-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-4,5-dihydroxy-2-[[(2R,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxymethyl]oxan-3-yl]oxy-4,5-dihydroxy-2-[[(2R,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxymethyl]oxan-3-yl]oxy-6-[[(2R,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxymethyl]oxane-3,4,5-triol