benzyl 1,2,3,6-tetra-O-benzyl-α-D-glucopyranoside 、 在
sodium hydride 、
对甲苯磺酰氯 作用下,
生成
(E)-2-Methyl-1-((2R,3R,4S,5R,6S)-4,5,6-tris-benzyloxy-2-benzyloxymethyl-tetrahydro-pyran-3-yloxy)-pent-1-en-3-one 、 Toluene-4-sulfonic acid (2R,3R,4R,5R,6S)-4,5,6-tris-benzyloxy-2-benzyloxymethyl-tetrahydro-pyran-3-yl ester