Name: 5-Hydroxynicotinic acid. 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: 5-Hydroxynicotinic acid, is researched, Molecular C6H5NO3, CAS is 27828-71-3, about Increase in erythrocyte hemolytic resistance by nitrogen heterocyclic derivatives. Author is Braginskaya, F. I.; Kruglyakova, K. E.; Smirnov, L. D.; Zorina, O. M.; Zhumabaeva, T. T..
Four pyridines, 2 pyrimidines, and 2 benzimidazoles were screened for their ability to inhibit ultrasonic hemolysis and acetylcholinesterase [9000-81-1] of human erythrocytes. The greatest membrane-stabilizing effect, as well as the greatest enzyme-inhibiting effect, was associated with Me-substituted pyrimidines and benzimidazoles.
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Reference:
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method