1-dimethylsulfamoyl-4-tributylstannylpyrazole 、
cyclo-(3-methylsaligenyl)-7-(2',3'-O-isopropylidene-β-D-ribofuranosyl)-4-chloro-7H-pyrrolo[2,3-d]pyrimidine-5'-phosphate 在
bis-triphenylphosphine-palladium(II) chloride 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以24%的产率得到cyclo-(3-methylsaligenyl)-7-(2',3'-O-isopropylidene-β-D-ribofuranosyl)-4-[1-(N,N-dimethylsulfamoyl)pyrazol-4-yl]-7H-pyrrolo[2,3-d]pyrimidine-5'-phosphate