[4-(2-Hydroxyethyl)benzyl](triphenyl)phosphonium bromide 、
tert-butyl 4-(6-formyl-pyridin-3-yl)-piperazine-1-carboxylate 以to give tert-butyl 4-(6-{2-[4-(2-hydroxyethyl)phenyl]vinyl}pyridin-3-yl)piperazine-1-carboxylate (5.684 g的产率得到tert-butyl 4-(6-{2-[4-(2-hydroxyethyl)phenyl]vinyl}pyridin-3-yl)piperazine-1-carboxylate