3,7-anhydro-1,1,2,2-tetradehydro-1,2,6-trideoxy-1-C-iodo-4,5,8-tris-O-(methoxymethyl)-6-C-<2-(trimethylsilyl)ethynyl>-D-glycero-D-gulo-octitol 、
3,7-anhydro-1,1,2,2-tetradehydro-1,2,6-trideoxy-6-C-ethynyl-4-O-(triisopropylsilyl)-1-C-(trimethylsilyl)-D-glycero-D-gulo-octitol 在
copper(l) iodide 、
四(三苯基膦)钯 作用下,
以
三乙胺 为溶剂,
反应 5.0h,
以20%的产率得到1,1'-(buta-1,3-diyne-1,4-diyl)bis((1S)-1,5-anhydro-4-deoxy-2,3,6-tris-O-(methoxymethyl)-4-C-<2-(trimethylsilyl)ethynyl>-D-glucitol)