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Abstract:

The photochemical behaviour of full-aromatic β-carbolines (nor-harmane, harmane and harmine) in chloroform medium and the corresponding UV absorption and fluorescence emission spectra are discussed. Irreversible electron transfer from the singlet excited β-carboline molecule to the chloroform molecule in the transient excited charge transfer complex has been proposed as the primary photochemical process initiating the mechanism of secondary reactions in this system. The results obtained are interpreted in terms of diffusional quenching mechanism and are compared with those obtained using different halomethanes. © 1994.

Registro:

Documento: Artículo
Título:Photochemical reaction of full-aromatic β-carbolines in halomethanes 2. CHCl3: Electronic spectra and kinetics
Autor:Biondic, M.C.; Erra-Balsells, R.
Filiación:Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, c.c. 74-suc. 30, 1430 Buenos Aires, Argentina
Año:1994
Volumen:77
Número:2-3
Página de inicio:149
Página de fin:159
DOI: http://dx.doi.org/10.1016/1010-6030(94)80038-3
Título revista:Journal of Photochemistry and Photobiology, A: Chemistry
Título revista abreviado:J. Photochem. Photobiol. A Chem.
ISSN:10106030
CODEN:JPPCE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10106030_v77_n2-3_p149_Biondic

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Citas:

---------- APA ----------
Biondic, M.C. & Erra-Balsells, R. (1994) . Photochemical reaction of full-aromatic β-carbolines in halomethanes 2. CHCl3: Electronic spectra and kinetics. Journal of Photochemistry and Photobiology, A: Chemistry, 77(2-3), 149-159.
http://dx.doi.org/10.1016/1010-6030(94)80038-3
---------- CHICAGO ----------
Biondic, M.C., Erra-Balsells, R. "Photochemical reaction of full-aromatic β-carbolines in halomethanes 2. CHCl3: Electronic spectra and kinetics" . Journal of Photochemistry and Photobiology, A: Chemistry 77, no. 2-3 (1994) : 149-159.
http://dx.doi.org/10.1016/1010-6030(94)80038-3
---------- MLA ----------
Biondic, M.C., Erra-Balsells, R. "Photochemical reaction of full-aromatic β-carbolines in halomethanes 2. CHCl3: Electronic spectra and kinetics" . Journal of Photochemistry and Photobiology, A: Chemistry, vol. 77, no. 2-3, 1994, pp. 149-159.
http://dx.doi.org/10.1016/1010-6030(94)80038-3
---------- VANCOUVER ----------
Biondic, M.C., Erra-Balsells, R. Photochemical reaction of full-aromatic β-carbolines in halomethanes 2. CHCl3: Electronic spectra and kinetics. J. Photochem. Photobiol. A Chem. 1994;77(2-3):149-159.
http://dx.doi.org/10.1016/1010-6030(94)80038-3