Recommanded Product: 27828-71-3. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 5-Hydroxynicotinic acid, is researched, Molecular C6H5NO3, CAS is 27828-71-3, about The polarographic reduction of 5-substituted 3-carbamido-1-methylpyridinium iodides. Author is Ueno, Yoshio.
The polarog. behavior of 5-substituted 3-carbamoyl-1-methylpyridinium iodides at a dropping Hg electrode were studied in buffered solutions in the pH range 2-10. The substituents studied were -Br, -Cl, -OCH3, H, and -NH2. The compounds gave a polarogram consisting of 2 reduction waves in neutral or alk. buffered solutions A good linear relation was found for the compounds between the half-wave potentials and the Hammett substituent constants σm in the pH range 2-10.
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Reference:
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method