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Matches in SemOpenAlex for { <https://semopenalex.org/work/W1999014718> ?p ?o ?g. }

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• W1999014718 abstract "4-Chloro-1,2-phenylenediamine (4-Cl-o-PDA) is an aromatic diamine used as a precursor for manufacture of hair dyes and dyes of other purposes. 4-Cl-o-PDA has been found to be photomutagenic in bacteria when concurrently exposed to simulated sunlight irradiation. Irradiation of 4-Cl-o-PDA by either outdoor sunlight or indoor lamp, one main photoproduct appeared and it was found to be 2,3-diamino-7-chlorophenazine, a dimerized product through the excited state reaction of 4-Cl-o-PDA in the presence of oxygen. The isolated yield of 13% for 2,3-diamino-7-chlorophenazine is far better than the oxidation reaction of 4-Cl-o-PDA by H2O2 and may therefore be used as a synthetic method. The half live of transformation for 4-Cl-o-PDA in water (100 μM) is 39 min when exposed to outdoor sunlight. The photomutagenicity of 4-Cl-o-PDA and its photoproduct were tested in Salmonella typhimurium TA102. Under the same conditions, both compounds are photomutagenic. In addition, 2,3-diamino-7-chlorophenazine is both phototoxic and mutagenic." @default.
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• W1999014718 date "2008-06-01" @default.
• W1999014718 modified "2023-10-17" @default.
• W1999014718 title "Photochemical reaction of a dye precursor 4-chloro-1,2-phenylenediamine and its associated mutagenic effects" @default.
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• W1999014718 doi "https://doi.org/10.1016/j.jphotochem.2007.12.002" @default.
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