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Pregled bibliografske jedinice broj: 246083

Časopis

Autori: Basarić, Nikola; Wan, Peter
Naslov: Excited State Proton Transfer (ESPT) from Phenol to Nitrogen and Carbon in (2-Hydroxyphenyl)pyridines
Izvornik: Photochemical and Photobiological Sciences (1474-905X) 5 (2006), 7; 656-664
Vrsta rada: članak
Ključne riječi: ESIPT; laser flash photolysis; photochemistry; proton transfer; phenoles; pyridines; quinone methides
Sažetak:
ESIPT and ESPT are the only photochemical deactivation pathways of the singlet excited states of 2-, 3- and 4-(2’ -hydroxyphenyl)pyridines (1a-c). Due to the existence of an intramolecular hydrogen bond in 2-(2’ -hydroxyphenyl)pyridine (1a), ESIPT leads only to protonation of the pyridine nitrogen. On the other hand, the singlet excited states of 3- and 4-(2’ -hydroxyphenyl)pyridine (1b, c) undergo protonation of both nitrogen and carbon atoms of the pyridine ring, via ESIPT or ESPT. The extent of ESIPT to carbon (as measured by extent of deuterium incorporation) can be controlled by the amount of water in the solvent system.
Projekt / tema: 0098052
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
MEDLINE
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Kemija
URL Internet adrese: http://www.rsc.org/Publishing/Journals/pp/index.asp
URL cjelovitog teksta:
Google Scholar: Excited State Proton Transfer (ESPT) from Phenol to Nitrogen and Carbon in (2-Hydroxyphenyl)pyridines



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