Abstract
Polymethine dyes with symmetrical and unsymmetrical structures, viz., 3-phenyl-2-benzopyrylium derivatives, were synthesized. Their colors are discussed.
Similar content being viewed by others
Literature cited
A. I. Tolmachev, G. G. Dyadyusha, E. F. Karaban, A. A. Ischenko, and N. A. Derevyanko, Khim. Geterotsikl. Soedin., No. 6, 739 (1978).
R. Wizinger and H. Tobel, Helv. Chim. Acta,40, 1305 (1957).
R. Wizinger and W. Heldeman, Ber.,93, 1933 (1960).
A. I. Tolmachev, M. A. Kudinova, and N. A. Derevyanko, Khim. Geterotsikl. Soedin., No. 1, 53 (1974).
A. I. Tolmachev and M. A. Kudinova, Khim. Geterotsikl. Soedin., No. 9, 1177 (1971).
A. I. Tolmachev and M. A. Kudinova, Khim. Geterotsikl. Soedin., No. 5, 804 (1969).
E. D. Sych, Zh. N. Belaya, and G. G. Dyadusha, Ukr. Khim. Zh.,30, 1065 (1964).
A. I. Kiprianov, Introduction to the Electronic Theory of Organic Compounds [in Russian], Naukova Dumka, Kiev (1975), p. 154.
G. G. Dyadyusha and A. D. Kachkovskii, Ukr. Khim. Zh.,43, 948 (1978).
G. N. Dorofeenko, E. I. Sadekova, and V. M. Goncharpva, Khim. Geterotsikl. Soedin., No. 10, 1308 (1970).
L. Brooker, F. White, and R. Sprague, J. Am. Chem. Soc.,73, 1087 (1951).
G. G. Dyadyusha and A. A. Ishchenko, in: Collection of Annotations of Programs for Molecular Spectroscopy [in Russian], Novosibirsk (1977), p. 22.
Yu. A. Kruglyak, V. S. Kvakush, G. G. Dyadyusha, and V. I. Khil'chenko, Methods for Calculations in Quantum Chemistry. Calculation of the π-Electron Structures of Molecules by Simple Molecular Orbital Methods [in Russian], Naukova Dumka, Kiev (1967).
T. Tani, J. Photogr. Sci.,19, 161 (1971).
R. Tirodkar and R. Usgaonkar, Curr. Sci.,41, 701 (1972).
R. Tirodkar and R. Usgaonkar, Monatsh.,91, 774 (1960).
V. Prey, B. Kerres, and H. Berbalk, Monatsh.,91, 774 (1960).
L. Legrand and N. Lozac'h, Bull. Soc. Chim. Fr., 1787 (1964).
Author information
Authors and Affiliations
Additional information
See [1] for communication 8.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 193–198, February, 1980.
Rights and permissions
About this article
Cite this article
Tolmachev, A.I., Shulezhko, L.M. Pyrylocyanines. 9. Isobenzopyrylocyanines. Chem Heterocycl Compd 16, 137–142 (1980). https://doi.org/10.1007/BF00554202
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF00554202