p-thiotolyl 2,3,4-tri-O-benzoyl-α-D-mannopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-α-D-mannopyranoside 、
6-O-acetyl-2,3,4-tri-O-benzoyl-α-D-mannopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-α-D-mannopyranosyl fluoride 在
2,6-二甲基吡啶 、 silver perchlorate 、 tin(ll) chloride 作用下,
以
二氯甲烷 为溶剂,
以80%的产率得到p-thiotolyl 6-O-acetyl-2,3,4-tri-O-benzoyl-α-D-mannopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-α-D-mannopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-α-D-mannopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-α-D-mannopyranoside