3,4,3',4'-tetra-O-acetyl-6,6'-dichloro-6,6'-dideoxysucrose 在
磺酰氯 作用下,
以
吡啶 、
氯仿 为溶剂,
以80%的产率得到Acetic acid (2S,3S,4S,5S)-4-acetoxy-5-chloromethyl-2-chlorosulfonyloxymethyl-2-((2R,3R,4S,5S,6S)-4,5-diacetoxy-6-chloromethyl-3-chlorosulfonyloxy-tetrahydro-pyran-2-yloxy)-tetrahydro-furan-3-yl ester