8-Bromo-1-(4-chloro-phenyl)-9-phenyl-2-(4-trifluoromethyl-phenyl)-1,9-dihydro-purin-6-one 、
potassium cyanide 、
18-冠醚-6 在
crude material 作用下,
以
乙腈 为溶剂,
反应 0.75h,
以yielding 6.2 mg (69%) of the title compound的产率得到1-(4-chloro-phenyl)-6-oxo-9-phenyl-2-(4-trifluoromethyl-phenyl)-6,9-dihydro-1H-purine-8-carbonitrile