溴甲苯 、 p-Nitrophenyl O-(2,3-di-O-acetyl-6-S-acetyl-4-O-benzoyl-6-thio-α-D-glucopyranosyl)-(1->4)-tris
4)>-2,3,6-tri-O-acetyl-α-D-glucopyranoside 在
sodium methylate 作用下,
生成 p-Nitrophenyl O-(6-S-benzyl-6-thio-α-D-glucopyranosyl)-(1->4)-tris4)>-α-D-glucopyranoside