1-[4-(3-bromophenyl)-3-cyano-7,7-dimethyl-1-naphthalen-1-yl-5-oxo-1,4,5,6,7,8-hexahydroquinolin-2-yl]-3-phenylthiourea 在
吡啶 作用下,
反应 5.0h,
生成 5-(3-bromophenyl)-4-imino-8,8-dimethyl-2-thioxo-10-naphthalen-1-yl-3-phenyl-2,3,4,5,7,8,9,10-octahydro-1H-pyrimido[4,5-b]quinolin-6-one