(1R,4RS,4aR,5R,7aS)-5-(2,2-dimethyl-1-oxopropoxy)-7-[(2,2-dimethyl-1-oxopropoxy)methyl]-1,3,4,4a,5,7a-hexahydro-4-iodo-3-oxocyclopenta[c]pyran-1-yl 2,3,4,6-tetrakis-O-(2,2-dimethyl-1-oxopropyl)-β-D-glucopyranoside 在
potassium phtalimide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 0.42h,
以41%的产率得到(1R,5R,7aS)-5-(2,2-dimethyl-1-oxopropoxy)-7-[(2,2-dimethyl-1-oxopropoxy)methyl]-1,3,5,7a-tetrahydro-3-oxo-cyclopenta[c]pyran-1-yl-2,3,4,6-tetrakis-O-(2,2-dimethyl-1-oxopropyl)-β-D-glucopyranoside