9-[(1'R,2'S,3'R,4'R)-2',3'-dihydroxy-4'-(hydroxymethyl)cyclopentyl]-2-iodo-1H-purin-6(9H)-one 、
3-tri-n-butylstannyl-2-cyclopentenone 在
bis-triphenylphosphine-palladium(II) chloride 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 24.0h,
以43.1%的产率得到9-[(1'R,2'S,3'R,4'R)-2',3'-dihydroxy-4'-(hydroxymethyl)cyclopentyl]-2-(3-oxocyclo-pent-1-enyl)-1H-purin-6(9H)-one