Determination of the rates of formation and hydrolysis of the Schiff bases formed by pyridoxal 5'-phosphate with L-tryptophan and its methyl and <i>n</i>-butyl esters

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dc.contributor.authorGorostidi, GRE
dc.contributor.authorSantos, JG
dc.contributor.authorBasagoitia, A
dc.contributor.authorBlanco, FG
dc.date.accessioned2025-01-21T01:10:17Z
dc.date.available2025-01-21T01:10:17Z
dc.date.issued2002
dc.description.abstractThe apparent rate constants of the formation (k(1)) and hydrolysis (k(2)) of the Schiff bases formed by pyridoxal 5'-phosphate with L-tryptophan and their methyl and n-butyl esters at a variable pH, 25 degreesC, and an ionic strength of 0.1 M were determined, along with the equilibrium constant (K-pH). The individual rate constants of formation and hydrolysis of the Schiff bases of systems corresponding to different chemical species present in the medium as a function of its acidity were also determined, as were the pK values for the Schiff bases. The influence of the a-carboxyl group on the formation and hydrolysis constants of the Schiff bases, and also on their pK values, is demonstrated.
dc.fuente.origenWOS
dc.identifier.eissn1348-0634
dc.identifier.issn0009-2673
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/96670
dc.identifier.wosidWOS:000179775400020
dc.issue.numero11
dc.language.isoen
dc.pagina.final2476
dc.pagina.inicio2471
dc.revistaBulletin of the chemical society of japan
dc.rightsacceso restringido
dc.subject.ods12 Responsible Consumption and Production
dc.subject.ods03 Good Health and Well-being
dc.subject.odspa12 Producción y consumo responsable
dc.subject.odspa03 Salud y bienestar
dc.titleDetermination of the rates of formation and hydrolysis of the Schiff bases formed by pyridoxal 5'-phosphate with L-tryptophan and its methyl and <i>n</i>-butyl esters
dc.typeartículo
dc.volumen75
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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