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. 5975-12-2, name is 2,4-Dichloro-3-nitropyridine. This compound has unique chemical properties. The synthetic route is as follows. HPLC of Formula: C5H2Cl2N2O2
Step 1 2-chloro-3-nitro-4-[2-(2-thiophenyl)ethyl]aminopyridine A mixture of 2,4-dichloro-3-nitropyridine (1.5 g), 2-aminoethylthiophene (1 g) and triethylamine (5 ml) is heated to reflux in EtOH (60 ml). The reaction mixture is cooled, the solvent evaporated and the residue chromatographed on silica gel (10% hexane/CH2 Cl2) to yield the desired addition product.
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Reference:
Patent; Rhone-Poulenc Rorer Pharmaceuticals Inc.; US5364862; (1994); A;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem