6-O-(triphenylmethyl)-β-D-glucopyranosyl- 6'-O-(triphenylmethyl)-β-D-glucopyranoside 、
碘甲烷 在
barium(II) oxide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 72.0h,
以74.5%的产率得到2,3,4-tri-O-methyl-6-O-(triphenylmethyl) β-D-glucopyranosyl-2'-3'-4'-tri-O-methyl-6'-O-(triphenylmethyl)-β-D-glucopyranoside