6-[4-[[6-(Methoxymethyl)-5-oxo-1,2,3,4-tetrahydrobenzo[h][1,6]naphthyridin-8-yl]methyl]piperazin-1-yl]pyridine-3-carbonitrile 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
以65 %的产率得到6-{4-[(5-oxo-1,2,3,4,5,6-hexahydrobenzo[h][1,6]naphthyridin-8-yl)methyl]piperazin-1-yl}nicotinonitrile