(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
                                                                                                                                                                                 
sodium trimethylsilanolate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 4.0h,
                                                                                                                以44%的产率得到(1S,4R,5R,6R)-4-(2,2-dimethyl-1-oxopropoxy)-2-[(2,2-dimethyl-1-oxopropoxy)methyl]-1-formylbicyclo[3.1.0]hex-2-ene-6-carboxylic acid