3-chloro-2-fluorobenzylzinc bromide 、
1-[(S)-1-(tert-butyl-dimethyl-silanyloxymethyl)-2-methyl-propyl]-6,7-dichloro-4-oxo-1,4-dihydro-[1.5]naphthyridine-3-carboxylic acid ethyl ester 在
bis-triphenylphosphine-palladium(II) chloride 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以73%的产率得到1-[(S)-1-(tert-butyl-dimethyl-silanyloxymethyl)-2-methyl-propyl]-7-chloro-6-(3-chloro-2-fluoro-benzyl)-4-oxo-1,4-dihydro-[1.5]naphthyridine-3-carboxylic acid ethyl ester