Russian Journal of Inorganic Chemistry, volume 57, issue 2, pages 261-269
Characteristic features of formation, synthesis, and properties of binuclear zinc(II) helicates with alkyl-substituted 3,3'-bis(dipyrrolylmethenes)
Publication type: Journal Article
Publication date: 2012-02-16
Quartile SCImago
Q3
Quartile WOS
Q3
Impact factor: 2.1
ISSN: 00360236, 15318613
Inorganic Chemistry
Physical and Theoretical Chemistry
Materials Science (miscellaneous)
Abstract
On the basis of spectrophotometric studies, it was demonstrated that complexation of hydrobromides of seven alkylated 3,3′-bis(dipyrrolylmethenes) (H2L · 2HBr) with zinc(II) acetate dihydrate in DMF (298.15 K) includes successive steps of formation of binuclear helicates of two types: [Zn2(AcO)2L] (heteroleptic single-helix complex) and [Zn2L2] (homoleptic double-helix complex). An increase in the degree of alkylation of the pyrrole rings of the ligands from 4 to 10 methyl groups induces an increase of overall complexation constants from 7.60 to 13.73. The synthesis of helicates [Zn2L2] was described. The products were studied by elemental analysis and IR, 1H NMR, U/Vis, and fluorescence spectroscopy. The effect of the helicand structure and the solvent nature on the chromophore and fluorescence properties of [Zn2L2] was discussed. The kinetic stability of zinc(II) with decamethyl-substituted 3,3′-bis(dipyrrolylmethene) in HCl-DMF medium was estimated.
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- We do not take into account publications that without a DOI.
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Antina L. A. et al. Characteristic features of formation, synthesis, and properties of binuclear zinc(II) helicates with alkyl-substituted 3,3'-bis(dipyrrolylmethenes) // Russian Journal of Inorganic Chemistry. 2012. Vol. 57. No. 2. pp. 261-269.
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Antina L. A., Dudina N. A., Guseva G. B., Antina E. V., Berezin M. B., Vyugin A. I. Characteristic features of formation, synthesis, and properties of binuclear zinc(II) helicates with alkyl-substituted 3,3'-bis(dipyrrolylmethenes) // Russian Journal of Inorganic Chemistry. 2012. Vol. 57. No. 2. pp. 261-269.
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TY - JOUR
DO - 10.1134/S0036023611120242
UR - https://doi.org/10.1134%2FS0036023611120242
TI - Characteristic features of formation, synthesis, and properties of binuclear zinc(II) helicates with alkyl-substituted 3,3'-bis(dipyrrolylmethenes)
T2 - Russian Journal of Inorganic Chemistry
AU - Dudina, N A
AU - Berezin, M B
AU - Vyugin, A I
AU - Antina, L A
AU - Guseva, G B
AU - Antina, E V
PY - 2012
DA - 2012/02/16 00:00:00
PB - Pleiades Publishing
SP - 261-269
IS - 2
VL - 57
SN - 0036-0236
SN - 1531-8613
ER -
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@article{2012_Antina,
author = {N A Dudina and M B Berezin and A I Vyugin and L A Antina and G B Guseva and E V Antina},
title = {Characteristic features of formation, synthesis, and properties of binuclear zinc(II) helicates with alkyl-substituted 3,3'-bis(dipyrrolylmethenes)},
journal = {Russian Journal of Inorganic Chemistry},
year = {2012},
volume = {57},
publisher = {Pleiades Publishing},
month = {feb},
url = {https://doi.org/10.1134%2FS0036023611120242},
number = {2},
pages = {261--269},
doi = {10.1134/S0036023611120242}
}
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Antina, L. A., et al. “Characteristic features of formation, synthesis, and properties of binuclear zinc(II) helicates with alkyl-substituted 3,3'-bis(dipyrrolylmethenes).” Russian Journal of Inorganic Chemistry, vol. 57, no. 2, Feb. 2012, pp. 261-269. https://doi.org/10.1134%2FS0036023611120242.