Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 183428-91-3, name is 2-Amino-3-methyl-5-cyanopyridine. This compound has unique chemical properties. The synthetic route is as follows. category: pyridine-derivatives
The 2g6-amino-5-methylpyridine-3-carbonitrile (CAS183428-91-3) in 40 ml methanol and 18 ml of concentrated sulfuric acid solution and reflux heating in 3 hours. The mixture is added to ice water, adjusted to alkaline with sodium hydroxide, extracted with ethyl acetate. The organic phase with saturated sodium chloride solution, the sodium sulfate and concentrated in a vacuum. Get 1.95g6-amino-5-methylpyridine-3-carboxylic acid methyl ester.
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Reference:
Patent; Bayer Pharmaceuticals; Norbert, Schmees; Benjamin, Bader; Bernard, Haendler; Volker, Schulze; Ingo, Hartung; Niels, Bohnke; Florian, Puhler; (72 pag.)CN105555786; (2016); A;,
Pyridine – Wikipedia,
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