allyl 2-O-acetyl-3,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1->3)-[2-O-acetyl-3,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1->6)]-2,4-di-O-benzoyl-α-D-mannopyranoside 在
乙酰氯 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
以78%的产率得到allyl 3,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1->3)-[3,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1->6)]-2,4-di-O-benzoyl-α-D-mannopyranoside