benzyl 6-O-p-toluene-sulfonyl-α-D-glucopyranoside 、
(2R,3S,4S)-3,4-双(苄氧基)-2-((苄氧基)甲基)四氢噻吩 在
potassium carbonate 作用下,
以
六氟异丙醇 为溶剂,
反应 96.0h,
以52%的产率得到(1S,2R,3S,4S)-3,4-bis(benzyloxy)-1-(((2S,3S,4S,5R,6S)-6-(benzyloxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)methyl)-2-((benzyloxy)methyl)tetrahydro-1H-thiophen-1-ium 4-methylbenzenesulfonate