N-(2,3:5,6-di-O-isopropylidene-α-D-mannofuranos-1-yl)-C-[4-(ethoxycarbonyl)-2-thiazolyl]nitrone 、
烯丙醇 在
zinc trifluoromethanesulfonate 作用下,
以
二氯甲烷 为溶剂,
反应 120.0h,
生成 N-(2,3-O-isopropylidene-α-D-mannofuranose-1-yl)-C-[4-(allyloxycarbonyl)-2-thiazolyl]nitrone 、 N-(2,3:5,6-di-O-isopropylidene-α-D-mannofuranose-1-yl)-C-[4-(allyloxycarbonyl)-2-thiazolyl]nitrone 、 ethyl 2-[2-(2,3:5,6-di-O-isopropylidene-α-D-mannofuranose-1-yl)-5-(hydroxymethyl)isoxazolidin-3-yl]thiazole-4-carboxylate 、 2-{2-[(3aS,6R,6aS)-6-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl]-5-hydroxymethyl-isoxazolidin-3-yl}-thiazole-4-carboxylic acid allyl ester