(2S,3R,4E)-2-azido-3-benzoyloxy-4-octadecen-1-ol 、
O-(5-acetamido-1,4,7,8,9-penta-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosyl)-(2->3)-O-(2,4,6-tri-O-acetyl-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-acetyl-D-glucopyranosyl trichloroacetimidate 在
4 A molecular sieve 、
三氟化硼乙醚 作用下,
生成 O-(5-acetamido-1,4,7,8,9-penta-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosyl)-(2->3)-O-(2,4,6-tri-O-acetyl-β-D-galactopyranosyl)-(1->4)-O-(2,3,6-tri-O-acetyl-β-D-glucopyranosyl)-(1->1)-(2S,3R,4E)-2-azido 3-O-benzoyl-4-octadecene-1,3-di