methoxycarbonylmethyl 6-O-acetyl-2,3,4-tri-O-benzyl-α-D-glucopyranosyl-(1->6)-bis[2,3,4-tri-O-benzyl-α-D-glucopyranosyl-(1->6)]-2,3,4-tri-O-benzyl-1-thio-α-D-glucopyranoside 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以90%的产率得到methoxycarbonylmethyl 2,3,4-tri-O-benzyl-α-D-glucopyranosyl-(1->6)-bis[2,3,4-tri-O-benzyl-α-D-glucopyranosyl-(1->6)]-2,3,4-tri-O-benzyl-1-thio-α-D-glucopyranoside