90766-97-5,90766-97-5, 5-Bromo-6-phenylpyridazin-3(2H)-one is a pyridazine compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated
A mixture of 5-bromo-6-phenyl-2,3-dihydropyridazin-3-one (0.500 g, 1.99 mmol) and N,N-dimethylformamide dimethyl acetal (0.397 mL, 2.978 mmol) in DMF (20 mL) was refluxed for 2 h. The mixture was diluted with EtOAc and washed with water and then several times with brine. The organic phase was dried over sodium sulfate and the solvent was removed. The crude was purified by flash chromatography on silica gel Biotage cartridge (cyclohexane:EtOAc=90:10 to 50:50) to afford title compound as a white solid (0.279 g, 1.05 mmol, 53% yield). MS/ESI+ 265.0-267.0 [MH]+, Rt=0.92 min (Method A).
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Reference£º
Patent; CHIESI FARMACEUTICI S.p.A.; BIAGETTI, Matteo; Capelli, Anna Maria; Guala, Matilde; (42 pag.)US2016/75710; (2016); A1;,
Pyridazine – Wikipedia
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