2,3,4,6-Tetra-O-p-toluyl-α-D-galactopyranosyl-trichloracetimidat   、                                                                                      
methyl 2-azido-4,6-O-benzylidene-2-deoxy-β-D-galactopyranoside                                                                                                                                                                                                                                                                                                          生成                                                 [(2R,3S,4S,5R,6R)-6-[[(4aR,6R,7R,8R,8aR)-7-azido-6-methoxy-2-phenyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-8-yl]oxy]-3,4,5-tris[(4-methylbenzoyl)oxy]oxan-2-yl]methyl 4-methylbenzoate