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. 14916-63-3, name is 6-Nitropyridin-2-amine. This compound has unique chemical properties. The synthetic route is as follows. Formula: C5H5N3O2
Copper (II) chloride (5.8 g) and t-butylnitrite (6.1 ml) were stirred in THF (150 ml) under argon and heated to 65 C. 2-Amino-6-nitropyridine (Shurko, O. P., Mamaev, V. P., Chem Heterocycl Comp, 26, 1990,1 47-52; 5 g, 36 mmol) was added portionwise. The reaction was stirred at 65 C. for 1 hour then allowed to cool to room temperature. EtOAc (200 ml) was added and the organic layer was washed with 2M HCl, water and dried. Volatile material was removed by evaporation to give a sticky orange solid which was triturated with hexane to give the title compound (3.4 g) as a brown/orange solid. NMR: 7.8 (d, 1H), 8.6 (d, 1H), 9.2 (s, 1H).
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Reference:
Patent; AstraZeneca AB; US6689909; (2004); B1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem