2-(7-methyl-[1,8]naphthyridin-2-yl)-3-phenoxycarbonyloxy-2,3-dihydro-isoindol-1-one 、
N-甲基哌嗪 在
crude product 、
乙醚 、
异丙醚 作用下,
以
乙腈 为溶剂,
反应 24.0h,
以2-(7-Methyl-1,8-naphthyridin-2-yl)-3-(4-methylpiperazin-1-yl)carbonyloxy-isoindolin-1-one (1.1 g.), melting at 190° C., is thus obtained的产率得到4-methyl-piperazine-1-carboxylic acid 2-(7-methyl-[1,8]naphthyridin-2-yl)-3-oxo-1,3-dihydro-isoindol-1-yl ester