Russian Journal of General Chemistry, том 88, издание 6, номера страниц: 1172-1179

Effect of Structure and Medium on Photostability of Halogenated Boron(III), Zinc(II), and Cadmium(II) Dipyrromethenates

Тип документаJournal Article
Дата публикации2018-06
ИздательPleiades Publishing
Название журналаRussian Journal of General Chemistry
Квартиль по SCImagoQ3
Квартиль по Web of ScienceQ4
Импакт-фактор 20210.78
ISSN10703632, 16083350
General Chemistry
Краткое описание
Photostability of B(III), Zn(II), Cd(II) complexes with monoiodo- and dibromosubstituted dipyrromethenes [BF2L] and [ML2] in benzene and cyclohexane solutions is studied. It is found that the mechanism of destruction of the dyes under UV radiation is based on participation of singlet oxygen generated by the excited triplet state of the dye. Singlet oxygen enters the oxidation reactions of the pigment molecules leading to accumulation of colorless products based on di-, monopyrrol, and smaller fragments. Initial stages of the process include the reactions of dehalogenation of the dye molecules and are accompanied by enhancement of the fluorescence of the formed alkyl-substituted dipyrromethenates. The photostability of boron complexes [BF2L] is up to 32 times higher as compared to that of [ZnL2] and [CdL2]. The replacement of 4-iododipyrromethene ligands in [BF2L] and [ML2] by 5,5'-or 4,4'-dibromo-substituted ligands increases photostability of the dyes. The stability of the dyes against UV irradiation substantially decreases in benzene with respect to cyclohexane due to enhancement of polarization of the chromophore systems of dipyrromethene ligands because of their solvation with benzene (π–π-stacking).
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1. Nuraneeva E. N. и др. Effect of Structure and Medium on Photostability of Halogenated Boron(III), Zinc(II), and Cadmium(II) Dipyrromethenates // Russian Journal of General Chemistry. 2018. Т. 88. № 6. С. 1172–1179.


DO - 10.1134/s1070363218060208

UR -

TI - Effect of Structure and Medium on Photostability of Halogenated Boron(III), Zinc(II), and Cadmium(II) Dipyrromethenates

T2 - Russian Journal of General Chemistry

AU - Nuraneeva, E. N.

AU - Antina, E. V.

AU - Guseva, G. B.

AU - Berezin, M. B.

AU - V’yugin, A. I.

PY - 2018

DA - 2018/06

PB - Pleiades Publishing Ltd

SP - 1172-1179

IS - 6

VL - 88

SN - 1070-3632

SN - 1608-3350

ER -

BibTex |


doi = {10.1134/s1070363218060208},

url = {},

year = 2018,

month = {jun},

publisher = {Pleiades Publishing Ltd},

volume = {88},

number = {6},

pages = {1172--1179},

author = {E. N. Nuraneeva and E. V. Antina and G. B. Guseva and M. B. Berezin and A. I. V'yugin},

title = {Effect of Structure and Medium on Photostability of Halogenated Boron({III}), Zinc({II}), and Cadmium({II}) Dipyrromethenates},

journal = {Russian Journal of General Chemistry}


Nuraneeva, E. N., et al. “Effect of Structure and Medium on Photostability of Halogenated Boron(III), Zinc(II), and Cadmium(II) Dipyrromethenates.” Russian Journal of General Chemistry, vol. 88, no. 6, June 2018, pp. 1172–79. Crossref,