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Updated: Feb 25, 2026

Microwave-assisted Intramolecular Dehydrogenative Diels-Alder Reactions for the Synthesis of Functionalized Naphthalenes/Solvatochromic Dyes
Published on: April 1, 2013
Photoconversion of 2-Chloronaphthalene in Water
Chunli Kang1, Siqi Bao1, Baiyan Chen1
1Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130012, China.
Abstract:
The photoconversion of 2-chloronaphthalene (CN-2) in water in a simulated sunlight system was investigated. The photoconversion efficiency, photoproducts and mechanisms were inspected, and the effects of inorganic ions (NO3-, NO2-) and fulvic acid (FA) were discussed. The results showed that CN-2 could be transformed in water under the irradiation. NO3- and NO2- promoted the photoconversion of CN-2 owing to ·OH generated by the photolysis of NO3- and NO2-; FA at a lower concentration promoted the photoconversion, but it had an inhibition effect at a higher concentration. It was demonstrated that the acidic conditions promoted the photoconversion of CN-2 by the active groups such as superoxide radical anion, hydrogen peroxide and hydroxyl radical produced in the system. Eight photoproducts of CN-2 were characterized by the GC-MS method and the possible photoconversion mechanisms were proposed accordingly.
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