6-O-acetyl-2,3,4-tri-O-benzyl-α-D-glucopyranosyl bromide 、
{(2R,3R,4S,5R,6S)-3,4,5-Tris-benzyloxy-6-[(2R,3R,4S,5R,6S)-3,4,5-tris-benzyloxy-6-(2-benzylsulfanyl-ethoxy)-tetrahydro-pyran-2-ylmethoxy]-tetrahydro-pyran-2-yl}-methanol 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
生成 [(2R,3R,4S,5R,6S)-6-[[(2R,3R,4S,5R,6S)-6-[[(2R,3R,4S,5R,6S)-6-(2-benzylsulfanylethoxy)-3,4,5-tris(phenylmethoxy)oxan-2-yl]methoxy]-3,4,5-tris(phenylmethoxy)oxan-2-yl]methoxy]-3,4,5-tris(phenylmethoxy)oxan-2-yl]methyl acetate