Reference of 2-Chloropyridine 1-oxide. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2-Chloropyridine 1-oxide, is researched, Molecular C5H4ClNO, CAS is 2402-95-1, about Synthesis of 4-amino-2-chloropyridine. Author is Sun, Nan; Wang, Wei; Mo, Weimin; Hu, Baoxiang.
4-Amino-2-chloropyridine was synthesized from 2-chloropyridine by oxidation with hydrogen peroxide and nitration with fuming nitric acid to give 2-chloro-4-nitropyridine-N-oxide followed by reduction in 75% overall yield.
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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem