(2S,3R,4E)-3-Benzoyloxy-2-hexadecanoylamino-1-[6-O-(3,3-di-tert-butyloxycarbonylprop-1-yl)-3,4-O-isopropylidene-α-D-galactopyranosyloxy]-4-octadecene 以87%的产率得到(2S,3R,4E)-3-Benzoyloxy-2-hexadecanoylamino-1-[6-O-(3,3-di-tert-butyloxycarbonylprop-1-yl)-2-O-benzoyl-α-D-galactopyranosyloxy]-4-octadecene