2-[(3R,4S,5R,6R)-3,4,5-Tris-(3-methyl-benzyloxy)-6-(3-methyl-benzyloxymethyl)-tetrahydro-pyran-2-yloxymethyl]-benzoic acid 2-bromo-benzyl ester 、 alkaline earth salt of/the/ methylsulfuric acid 以
四氢呋喃 、
甲苯 为溶剂,
反应 1.5h,
以99%的产率得到{1-[2-(((2,3,4,6-tetra-O-(3-methylbenzyl)-α/β-D-glucopyranosyl)oxy)methyl)phen-1-yl]vinyl} 2-bromobenzyl ether