1-硫代-b-D-葡萄糖四乙酸酯 、
Ethyl 2-(3',4'-di-O-acetyl-2'-deoxy-D-threo-pent-1'-enopyranosyl)thiazole-4-carboxylate 在
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
以73.1%的产率得到Ethyl 2'-<4'-O-acetyl-2'-deoxy-3'-S-(2'',3'',4'',6''-tetra-O-acetyl-β-D-glucopyranosyl)-3'-thio-D-threo-pent-1'-enopyranosyl>thiazole-4-carboxylate