反应详情

温度

42.5 °C

To a solution of 5-(1-isopropyl-6-oxo-1,6-dihydro-3-pyridazinyl)-6-phenyl-2,3-pyrazinedicarbonitrile (343 mg) in EtOH (10 ml) was dropwise added a solution of sodium molybdate dihydrate (12.1 mg) in a mixture of 30% hydrogen peroxide solution in water (0.57 ml) and EtOH (1.5 ml) and the mixture was stirred at 40-45° C. for 3 hours. After ice-cooling, a precipitate was collected by filtration to give 3-cyano-5-(1-isopropyl-6-oxo-1,6-dihydro-3-pyridazinyl)-6-phenyl-2-pyrazinecarboxamide as a solid (171 mg).

1. temperatureAfter ice-cooling
2. filtrationa precipitate was collected by filtration