苯乙炔 、
(2S,4R)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-6-oxo-4-(4-trifluoromethanesulfonyloxy-phenyl)-piperidine-1-carboxylic acid tert-butyl ester 在
bis-triphenylphosphine-palladium(II) chloride
三乙胺 作用下,
以86%的产率得到(2S,4R)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-6-oxo-4-(4-phenylethynyl-phenyl)-piperidine-1-carboxylic acid tert-butyl ester