COA of Formula: C5H4ClNO. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 2-Chloropyridine 1-oxide, is researched, Molecular C5H4ClNO, CAS is 2402-95-1, about Aqueous biphasic oxidation: a water-soluble polyoxometalate catalyst for selective oxidation of various functional groups with hydrogen peroxide. Author is Sloboda-Rozner, Dorit; Witte, Peter; Alsters, Paul L.; Neumann, Ronny.
A “”sandwich”” type polyoxometalate, Na12[WZn3(H2O)2][(ZnW9O34)2], was used as an oxidation catalyst in aqueous biphasic reaction media to effect oxidation of alcs., diols, pyridine derivatives, amines and aniline derivatives with hydrogen peroxide. The catalyst was shown by 183W NMR to be stable in aqueous solutions in the presence of H2O2 and showed only minimal non-productive decomposition of the oxidant. Secondary alcs. were selectively oxidized to ketones, while primary alcs. tended to be oxidized to the corresponding carboxylic acids, although secondary alcs. were selectively oxidized in the presence of primary alcs. Vicinal diols yielded carbon-carbon bond cleavage products in very high yields. Pyridine derivatives were oxidized to the resp. N-oxides, but strongly electron-withdrawing moieties inhibited the oxidation reaction. Primary amines were oxidized to the oximes, but significantly hydrolyzed in situ. Aniline derivatives were oxidized to the corresponding azoxy or nitro products depending on the substitution pattern in the aromatic ring. Catalyst recovery and recycle was demonstrated.
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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem