5,9-anhydro-1,2,3,4,8-pentadeoxy-8-C-<<(3-hydroxy-1,1-dimethylpropyl)dimethylsilyl>ethynyl>-7,10-bis-O-(methoxymethyl)-6-O-(triisopropylsilyl)-D-glycero-D-gulo-deca-1,3-diynitol-1-yl-(1->8-C)-5,9-anhydro-1,2,3,4,8-pentadeoxy-6-O-(triisopropylsilyl)-D... 、 5,9-anhydro-1,2,3,4,8-pentadeoxy-8-C-<<<1,1-dimethyl-3-3-<(tetrahydro-2H-pyran-2-yl)oxy>propyl>dimethylsilyl>ethynyl>-7,10-bis-O-(methoxymethyl)-6-O-(triisopropylsilyl)-D-glycero-D-gulo-deca-1,3-diynitol-1-yl-(1->8-C)-5,9-anhydro-1,2,3,4,8-pentadeoxy... 在
tris-(dibenzylideneacetone)dipalladium(0) 、
copper(l) iodide 、 P(fur)3 、
三乙胺 作用下,
以
二甲基亚砜 为溶剂,
反应 10.0h,
以80%的产率得到5,9-anhydro-1,2,3,4,8-pentadeoxy-8-C-<<<1,1-dimethyl-3-<(tetrahydro-2H-pyran-2-yl)oxy>propyl>dimethylsilyl>ethynyl>-7,10-bis-O-(methoxymethyl)-6-O-(triisopropylsilyl)-D-glycero-D-gulo-deca-1,3-diynitol-1-yl-(1->8-C)-5,9-anhydro-1,2,3,4,8-pentadeoxy-...