Computed Properties of C5H4ClNO. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 2-Chloropyridine 1-oxide, is researched, Molecular C5H4ClNO, CAS is 2402-95-1, about Stability constants of stannous chloride-pyridine N-oxide complexes in acetonitrile. Author is Scott, Paul T.; Kauffman, Jim W.; Rogers, J. W.; Williams, R. J..
Stability constants were determined for 8 Me- and Cl-substituted pyridine N-oxide adducts of SnCl2 in MeCN solution The complexes had a 1:1 stoichiometry in the concentration ranges studied. An IR spectrophotometric method was used to determine concentrations of the equilibrium species from the N-O stretching band of the free ligand from mass balance relations. The equilibrium concentrations were such that the N-O stretching bond of the complexed ligand also appeared in most of the spectra shifted to lower frequencies by 50-75 cm-1. The stability constants of the complexes were rationalized in terms of electronic and steric effects of the substituents on the pyridine N-oxide ring.
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Reference:
Isoxazole – Wikipedia,
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