phenyl 2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1->6)-2,4-di-O-benzoyl-3-O-chloroacetyl-β-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-1-thio-β-D-galactopyranoside                                                                                                                                                              在
                                                                                                                                                                                 
硫脲                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
吡啶   、                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以83.7%的产率得到phenyl 2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1->6)-2,4-di-O-benzoyl-β-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-1-thio-β-D-galactopyranoside