(6-Chloro-1-methyl-7-nitro-1H-imidazo[4,5-c]pyridin-4-yl)-methyl-carbamic acid tert-butyl ester 、
苯乙炔 在
bis-triphenylphosphine-palladium(II) chloride 、
copper(l) iodide 三乙胺 作用下,
反应 4.0h,
以81%的产率得到Methyl-(1-methyl-7-nitro-6-phenylethynyl-1H-imidazo[4,5-c]pyridin-4-yl)-carbamic acid tert-butyl ester