1-(4-piperidinylcarbonyl)-4-(pyridin-4-yl)piperazine 、
(6-溴萘-2-基)磺酰氯 以to give 1-[1-(6-bromonaphth-2-ylsulphonyl)piperidin-4-ylcarbonyl]-4-(4-pyridyl)piperazine in 20% yield, m.p. 229-230° C.的产率得到1-[1-(6-bromonaphth-2-ylsulphonyl)piperidin-4-ylcarbonyl]-4-(pyridin-4-yl)piperazine