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Photo‐ and Radiation‐Chemical Generation and Thermodynamic Properties of the Aminium and Aminyl Radicals Derived from N ‐Phenylglycine and ( N ‐Chloro, N ‐phenyl)glycine in Aqueous Solution: Evidence for a New Photoionization Mechanism for Aromatic Amines
Author(s) -
Canle López M.,
Santaballa J. A.,
Steenken S.
Publication year - 1999
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/(sici)1521-3765(19990401)5:4<1192::aid-chem1192>3.0.co;2-m
Subject(s) - chemistry , radical , flash photolysis , glycine , aqueous solution , amino acid , photochemistry , nitrogen , photodegradation , photoionization , photodissociation , ionization , organic chemistry , photocatalysis , kinetics , reaction rate constant , catalysis , biochemistry , ion , physics , quantum mechanics
Models for the photodegradation of nitrogen‐containing pollutants and the photodamage to amino acids and proteins have been investigated. The behavior of α‐amino acid and N ‐halo‐α‐amino acid models is studied using nanosecond laser flash photolysis. N ‐Centered radicals have been found as main products of the oxidation process (see equation) and their thermodynamic properties are described.