Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 14248-66-9, is researched, Molecular C7H8N2O3, about Electronic spectra and structure of methyl derivatives of 4-nitropyridine N-oxide, the main research direction is methylnitropyridine oxide dipole moment intramol charge transfer.Name: 3,5-Dimethyl-4-nitropyridine 1-oxide.
The UV spectra of seven Me derivatives of 4-nitropyridine N-oxide in ethanol have been examined The electronic spectra were calculated by a modified INDO method. Transition energies, intensities and assignments were compared with UV spectra. Spectroscopic manifestations of intramol. interaction indicate that Me groups modify the electronic interaction between the N-oxide and NO2 groups mainly through a steric strain.
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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem