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Kinetical study of a PCET process using the chemiluminescent peroxyoxalate reaction

Grant number: 13/17332-6
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Start date: November 01, 2013
End date: April 30, 2015
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Organic Chemistry
Principal Investigator:Fernando Heering Bartoloni
Grantee:Jessica Alves
Host Institution: Centro de Ciências Naturais e Humanas (CCNH). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil

Abstract

It is known that hydroxylated derivatives of lophine, when electrochemically oxidized, undergo a proton transfer reaction coupled to an electron transfer one through a proton-coupled electron transfer (PCET) process. Once that the chemiluminescent peroxyoxalate reaction goes through an electron transfer event during one of its main mechanistic steps, several hydroxylated derivatives of lophine, containing electron-donor and withdrawer groups, will be prepared and characterized in order to study light emission-kinetical processes using these derivatives as activators. It is expected that a correlation will be found between the structure of derivative and the electron transfer efficiency, in a PCET fashion. This will be the first example of a PCET induced chemiluminescent reaction.

News published in Agência FAPESP Newsletter about the scholarship:
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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ORFAO, JR., RONALDO BARROS; ALVES, JESSICA; BARTOLONI, FERNANDO HEERING. Spectroscopic Studies on the Interaction of Metallic Ions with an Imidazolyl-Phenolic System. Journal of Fluorescence, v. 26, n. 4, p. 1373-1380, . (13/17332-6, 14/05813-2, 12/13807-7)
ALVES, J.; BOARO, A.; DA SILVA, J. S.; FERREIRA, T. L.; KESLAREK, V. B.; CABRAL, C. A.; ORFAO, JR., R. B.; CISCATO, L. F. M. L.; BARTOLONI, F. H.. Lophine derivatives as activators in peroxyoxalate chemiluminescence. PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, v. 14, n. 2, p. 320-328, . (13/17332-6, 12/02428-5, 11/17587-9, 12/13807-7)