89640-81-3, Methyl 6-oxo-1,6-dihydropyridazine-4-carboxylate is a pyridazine compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated
0.37 mL of a 4 molar aqueous sodium hydroxide solution was added to a solution of 150 mg of methyl 6-oxo-1Hpyridazine-4-carboxylate 4a in 1.5 mL methanol. The reaction mixture was stirred for 2 hours at 20 C. 0.37 mL of a 4molar hydrochloric acid are added. The precipitated product was filtered by suction, washed with water and dried at 50 C[0030] Yield: 90 mg (66 % of theory) of 6-oxo-1H-pyridazine-4-carboxylic acid 5 as a solid.[0031] 1H NMR (400 MHz, DMSO-d6) delta (ppm) 14.0 (bs, 1H), 13.4 (bs, 1H), 8.13 (d, 1H, J = 1.95 Hz), 7.23 (d, 1H, J= 1.95 Hz), 89640-81-3
89640-81-3 Methyl 6-oxo-1,6-dihydropyridazine-4-carboxylate 53249880, apyridazine compound, is more and more widely used in various fields.
Reference£º
Patent; BOEHRINGER INGELHEIM INTERNATIONAL GMBH; Linz, Guenter; Kraemer, Friedhelm; Schnaubelt, Juergen; Stehle, Emanuel; EP2857387; (2015); A1;,
Pyridazine – Wikipedia
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