allyl (4,6-di-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1->3)-2,4-di-O-acetyl-β-L-fucopyranoside 在
sulfur trioxide trimethylamine 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 48.0h,
以89%的产率得到sodium;[(2R,3R,4R,5R,6S)-3-acetyloxy-2-(acetyloxymethyl)-6-[(2S,3R,4R,5S,6S)-3,5-diacetyloxy-2-methyl-6-prop-2-enoxyoxan-4-yl]oxy-5-(1,3-dioxoisoindol-2-yl)oxan-4-yl] sulfate