(4R)-4-(4-iodophenyl)-6-[3-[3-[(4R)-4-(4-iodophenyl)-2,5-dioxo-1-[3-(trifluoromethyl)phenyl]-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidin-6-yl]propyl-methylamino]propyl]-1-[3-(trifluoromethyl)phenyl]-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidine-2,5-dione 、
三甲基乙炔基硅 在
bis-triphenylphosphine-palladium(II) chloride 、
copper(l) iodide 三乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
以39%的产率得到(4R)-6-[3-[3-[(4R)-2,5-dioxo-1-[3-(trifluoromethyl)phenyl]-4-[4-(2-trimethylsilylethynyl)phenyl]-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidin-6-yl]propyl-methylamino]propyl]-1-[3-(trifluoromethyl)phenyl]-4-[4-(2-trimethylsilylethynyl)phenyl]-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidine-2,5-dione