4,6-O-isopropylidene-1,2,3-tri-O-(methoxymethyl)-D-glycero-L-talo-heptitol 5,7-cyclic sulfate 、
(2R,3S,4S)-2-(hydroxymethyl)tetrahydrothiophene-3,4-diol 在
potassium carbonate 作用下,
以
六氟异丙醇 为溶剂,
反应 168.0h,
以62%的产率得到(4S,5R,6S)-4-(((1S,2R,3S,4S)-3,4-dihydroxy-2-(hydroxymethyl)tetrahydro-1H-thiophen-1-ium-1-yl)methyl)-6-((5S,6S)-6-(methoxymethoxy)-2,4,8,10-tetraoxaundecan-5-yl)-2,2-dimethyl-1,3-dioxan-5-yl sulfate