[(2R,3R,4S,5R,6S)-3,4,5-Tris-benzyloxy-6-((E)-1-methyl-propenyloxy)-tetrahydro-pyran-2-yl]-methanol 、
(2R,3R,4S,5R,6S)-3,4,5-Tris-benzyloxy-2-benzyloxymethyl-6-((E)-1-methyl-propenyloxy)-tetrahydro-pyran 在
三氟甲磺酸三甲基硅酯 作用下,
以
乙腈 为溶剂,
生成 (R/S)-3-buten-2-yl 2,3,4-tri-O-benzyl-6-O-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-β-D-glucopyranoside 、 (R/S)-3-buten-2-yl 2,3,4-tri-O-benzyl-6-O-(2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl)-β-D-glucopyranoside