The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 3,5-Dimethyl-4-nitropyridine 1-oxide( cas:14248-66-9 ) is researched.Category: isoxazole.Puszko, A.; Wasylina, L.; Pawelka, Z. published the article 《Dipole moments and spectroscopic properties of methyl-4-nitropyridine N-oxides》 about this compound( cas:14248-66-9 ) in Monatshefte fuer Chemie. Keywords: methylnitropyridine oxide dipole moment charge transfer; charge transfer steric effect methylnitropyridine oxide. Let’s learn more about this compound (cas:14248-66-9).
Mol. dipole moments and dipole moments of interaction of 7 Me derivatives of 4-nitropyridine N-oxides were determined in benzene solution Polar and 13C-NMR and UV/Vis manifestations of intramol. interaction indicate that the Me groups modify the electronic interaction between the NO and NO2 groups mainly through steric strain.
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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem