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Calcium Hydroxide Effect in Degradation of Aqueous Naphthalene: Nucleophilic Substitution of Hydrogen at the C(sp2)–H Bond
- 1.0506164 - ÚCHP 2022 RIV US eng J - Článek v odborném periodiku
Pokorná, Dana - Cuřínová, Petra - Pola, Josef
Calcium Hydroxide Effect in Degradation of Aqueous Naphthalene: Nucleophilic Substitution of Hydrogen at the C(sp2)–H Bond.
Polycyclic Aromatic Compounds. Roč. 41, č. 4 (2021), s. 841-850. ISSN 1040-6638. E-ISSN 1563-5333
Institucionální podpora: RVO:67985858
Klíčová slova: calcium hydroxide * C–H bond * degradation
Obor OECD: Physical chemistry
Impakt faktor: 2.195, rok: 2021
Způsob publikování: Omezený přístup
The degradation of naphthalene in aqueous solutions containing submerged calcium peroxide-based and calcium hydroxide pellets was examined by using UV–vis and IR spectroscopy and mass spectrometry. The observed products are one-ring and fused rings quinoid and aromatic compounds containing OH and C(H)O groups. Their formation is explained in terms of a Ca2+ cation–π interaction and a nucleophilic OH– attack at the aromatic ring ensued by a departure of H– anion. Such process has not been so far observed in aqueous phase. Its recognition may become a challenge for further studies on applications of alkaline substances in remediation of wastewater and soil contaminated with polycyclic hydrocarbons.
Trvalý link: http://hdl.handle.net/11104/0302271
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