(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