Abstract
The specific fluorescence properties as well as picosecond transient absorption features have been studied for two 8-azasteroids. It is shown that at various excitation wavelengths the essentially different final excited electronic states are realized. Because of the multicenter character of 8-azasteroids the spectroscopic data obtained may be analyzed on a basis of the “mesomeric tautomerism” model taking into account the dynamic combination of cis- and trans-configurations. The dependence of fluorescence spectral characteristics on the solvent nature is a manifestation of intermolecular H-bond interactions.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
REFERENCES
J. W. Morzycki (1995) Pol. J. Chem. 69, 321–340.
F. A. Lakhvich, L. G. Lis, and A. A. Akhrem (1984) Usephi Khimii. 53, 1014–1044 (Russian).
O. V. Gulyakevich, A. L. Mikhal'chuk, A. I. Verenich et al. (1996) in Enemines in Organic Synthesis, UrO RAN, Ekaterinburg, pp. 11–132 (Russian).
A. L. Mikhal'chuk, O. V. Gulyakevich, A. A. Zenuk et al. (1991) Dokl. Akad. Nauk SSSR 317, 1397–1399 (Russian).
A. L. Mikhal'chuk, O. V. Gulyakevich, and A. A. Akhrem (1993) Khim. Geterotscil. Soedin. 1, 86–93 (Russian).
B. B. Kuzmitskii, I. G. Dad'kov, Yu. L. Zhuravkov et al. (1989) Vestsi Akad. Navuk BSSR. Ser. Chim. 1, 64–68 (Russian).
G. S. Lubin, I. G. Dad'kov, O. V. Gulyakevich et al. (1990) Verstsi Akad. Navuk BSSR. Ser. Khim. 5, 93–97 (Russian).
N. A. Konoplya, O. V. Gulyakevich, A. L. Mikhal'chuk, and B. B. Kuzmitskii (1994) Vestsi Akad. Nauk Belarusi Ser. Khim. 3, 91–96 (Russian).
A. A. Akhrem, A. M. Moiseenkov, V. A. Krivoruchko et al. (1972) Izv. Akad. Nauk USSR. Ser. Khim. 9, 2078–2083 (Russian).
O. V. Gulyakevich, A. L. Mikhal'chuk, and V. A. Khripach (1991) Zh. Org. Khim. 27, 213–214 (Russian).
H. J. O. Becker (1974) Einfuhrung in due elektronentheorie organisch-chemischer reaktionen, VEB Dentscher Verlag der Wissenschaften, Berlin.
V. Z. Kurbako (1990) Dokl. Akad. Nauk BSSR 34, 716–719 (Russian).
A. L. Mikhal'chuk, O. V. Gulyakevich, and A. A. Akhrem (1991) in Proceedings of V Conference on Chemistry of Nitrogen Containing Heterocyclic Compounds, Czernogolovka, Pt. 1, p. 20 (Russian).
N. A. Lysak, S. V. Mel'nichuk, S. A. Tikhomirov, and G. B. Tolstorozhev (1987) Zh. Prikl. Spectroscopii 47, 267–272 (Russian).
N. G. Bakhshiev (1972) Spectr. Intermol. Interact. Nauka Leningrad (Russian).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Akhrem, A.A., Borisevich, N.A., Gulyakevich, O.V. et al. Specific Fluorescence Properties and Picosecond Transient Absorption of 8-Azasteroids. Journal of Fluorescence 9, 357–361 (1999). https://doi.org/10.1023/A:1020596210145
Issue Date:
DOI: https://doi.org/10.1023/A:1020596210145