对三氟甲基苯胺 、
2-methyl-4-ethoxycarbonyl-5-phenyl-6-methyl-4,5-dihydropyridazin-3-(2H)-one 在
4 A molecular sieve 作用下,
以
甲苯 为溶剂,
反应 20.0h,
以71%的产率得到2,6-Dimethyl-3-oxo-5-phenyl-2,3,4,5-tetrahydro-pyridazine-4-carboxylic acid (4-trifluoromethyl-phenyl)-amide