Methyl 4-[(6-chloro-2-naphthyl)sulfonyl]-6-oxo-1-[[1-(4-pyridinyl)-4-piperidinyl]amino]-2-piperazinecarboxylate dihydrochloride 在
碳酸氢钠 、
magnesium sulfate 作用下,
以
二氯甲烷 为溶剂,
以to obtain methyl 4-[(6-chloro-2-naphthyl)sulfonyl]-6-oxo-1-[[1-(4-pyridinyl)-4-piperidinyl]amino]-2-piperazinecarboxylate的产率得到methyl 4-[(6-chloro-2-naphthyl)sulfonyl]-6-oxo-1-[[1-(4-pyridinyl)-4-piperidinyl]amino]-2-piperazinecarboxylate