(4S,5S,6R,7R)-6-(benzyloxy)-4-(((1S,2R,3S,4S)-3,4-bis((4-methoxybenzyl)oxy)-2-(((4-methoxybenzyl)oxy)methyl)tetrahydro-1H-thiophen-1-ium-1-yl)methyl)-7-((R)-1,2-bis(benzyloxy)ethyl)-1,3-dioxepan-5-yl sulfate 在
水 、
三氟乙酸 作用下,
反应 2.0h,
以82%的产率得到1,4-dideoxy-1,4-[(2S,3S,4R,5R,6R)-4,6,7-tri-O-benzyl-2,5-O-methylene-3-(sulfooxy)heptyl]-(R)-epi-sulfoniumylidine-D-arabinitol inner salt