乙酸酐 、
4-acetamido-4,6-dideoxy-6-fluoro-α-D-galactopyranosyl α-D-glucopyranoside 在
吡啶 作用下,
以68%的产率得到Acetic acid (2R,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-((2R,3R,4S,5R,6S)-3,4-diacetoxy-5-acetylamino-6-fluoromethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yl ester