Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps,and cheap raw materials. 2897-43-0, name is 2,6-Dichloro-3-nitropyridin-4-amine. A new synthetic method of this compound is introduced below., SDS of cas: 2897-43-0
To a solution of 2,6-dichloro-3-nitro-pyridin-4-amine (2.6 g, 14.4 mmol) from Step A in MeOH (150 mL) was added Raney Nickel catalyst (2 g) and the reaction agitated under a hydrogen atmosphere in a Parr apparatus (35 p.s.i.) for 2 h . The reaction mixture was filtered through a pad of Celite and concentrated to yield the title compound. MS: m/z = 178 (M + 1).
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Reference:
Patent; MERCK & CO., INC.; WO2006/31491; (2006); A2;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem