[(2R,3R,4R,5R,6R)-6-(4-bromo-3-fluorophenyl)-3,4,5-tris(2,2-dimethylpropanoyloxy)tetrahydropyran-2-yl]methyl 2,2-dimethylpropanoate 、 (2R,3R,4R,5R,6R)-2-(2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-6-((pivaloyloxy)methyl)tetrahydro-2H-pyran-3,4,5-triyltris(2,2-dimethylpropanoate) 在
sSPhos 、 palladium diacetate 、
potassium carbonate 、
甲醇 、
sodium methylate 作用下,
以
2-甲基四氢呋喃 为溶剂,
以18%的产率得到(2R,2'R,3S,3'S,4R,4'R,5S,5'S,6R,6'R)-6,6'-(2-fluoro-3'-methyl-[1,1'-biphenyl]-4,4'-diyl)bis(2-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol)