Safety of 3,5-Dimethyl-4-nitropyridine 1-oxide. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 3,5-Dimethyl-4-nitropyridine 1-oxide, is researched, Molecular C7H8N2O3, CAS is 14248-66-9, about Titanium(0) reagents. III. A convenient preparation of 4-pyridinamine derivatives. Author is Malinowski, Marek; Kaczmarek, Lukasz.
Ti(0) slurry, easily accessible by the reduction of TiCl4 with LiAlH4 or Mg in THF, is an excellent reagent for the reduction of N-nitropyridine N-oxides, e.g., I (R = H, Me, F, Cl) to 4-aminopyridines, e.g., II. The reaction proceeds smoothly and fast at room temperature giving the amines in >90% yields.
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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem