Electric Literature of C5H4ClNO. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 2-Chloropyridine 1-oxide, is researched, Molecular C5H4ClNO, CAS is 2402-95-1, about Visible-Light-Mediated C-H Alkylation of Pyridine Derivatives. Author is Rammal, Fatima; Gao, Di; Boujnah, Sondes; Gaumont, Annie-Claude; Hussein, Aqeel A.; Lakhdar, Sami.
We report herein a visible-light-mediated C-H alkylation of pyridine derivatives that proceeds by simple combination of a large variety of N-alkoxypyridinium ions with alkanes in the presence of 2 mol % of fac-Ir(ppy)3 under blue illumination. The mild reaction conditions together with the high group functional tolerance make of this process a useful synthetic platform for the construction of structurally strained heterocycles. Detailed mechanistic investigations, including d. functional theory calculations and quantum yield measurement, allowed us to understand factors controlling the reactivity and the selectivity of the reaction.
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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem