N-(tert-butoxycarbonyl)-N-[(1S)-1-phenylethyl]methanesulfonamide 、 5-(5-bromothiophen-2-yl)-1-(2,4-dichlorophenyl)-4-ethyl-1H-pyrazole-3-carbaldehyde 在
potassium tert-butylate 作用下,
生成
2-[5-(5-bromo-thiophen-2-yl)-1-(2,4-dichloro-phenyl)-4-ethyl-1H-pyrazol-3-yl]-ethenesulfonic acid [(1S)-1-phenyl-ethyl]-amide