1,2:5,6-di-O-cyclohexylidene-3-O<(methylthio)thiocarbonyl>-α-D-glucofuranose 在
tris(p-bromophenylammoniumyl) hexachloroantimonate 作用下,
以
甲苯 为溶剂,
反应 0.17h,
以89%的产率得到O-((3a'R,3b'S,6'R,6a'R,7a'R)-hexahydrospiro[cyclohexane-1,2'-furo[2',3':4,5]furo[2,3-d][1,3]dioxol]-6'-yl) S-methyl carbonothioate