sodium cyanide 、
8-bromo-3-[(5-chloro-2-ethylsulfonyl)methyl]-7-[[(3S)-3-(ethylamino)piperidin-1-yl]methyl]-6-(trifluoromethyl)quinazolin-4-one 在
cupric iodide acetonitrile-water 作用下,
以
N-甲基吡咯烷酮 为溶剂,
反应 0.5h,
以to give the title compound (35.1 mg, 72%) as a pale yellow foamy substance的产率得到3-[(5-chloro-2-ethylsulfonyl)methyl]-7-[[(3S)-3-(ethylamino)piperidine-1-yl]methyl]-4-oxo-6-(trifluoromethyl)quinazolin-8-carbonitrile