Aggregation behavior and UV-vis spectra of tetra- and octaglycosylated zinc phthalocyanines

Alexey Lyubimtsev; Zafar Iqbal; Göran Crucius; Sergey Syrbu; Ekaterina S. Taraymovich; Thomas Ziegler; MICHAEL HANACK

doi:10.1142/s1088424611002891

journal article Jan 01, 2011

Aggregation behavior and UV-vis spectra of tetra- and octaglycosylated zinc phthalocyanines

Alexey Lyubimtsev Zafar Iqbal

Göran Crucius Sergey Syrbu Ekaterina S. Taraymovich Thomas Ziegler

MICHAEL HANACK

Journal of Porphyrins and Phthalocyanines Vol. 15 No. 01 pp. 39-46 · World Scientific Pub Co Pte Lt

View at Publisher Save 10.1142/s1088424611002891

Abstract

Several tetra- and octaglycosylated PcZn 's 1a, 2a–2d, 3a-b and 4 were investigated for their aggregation behavior using different concentrations of the PcZn -species in pure DMSO, water and in various DMSO/water mixtures by comparing their UV-vis spectra. The PcZn 's 1–4 are independent of the concentration in pure DMSO and in up to 25 vol.% water/DMSO mixtures are non aggregated. Increasing amounts of water leads to higher aggregation ratios. The aggregation behavior is influenced by the nature and the position of the sugar substituents on the Pc-ring. PcZn 4 was found the least aggregated compound even in pure water.

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Details

Published: Jan 01, 2011
Vol/Issue: 15(01)
Pages: 39-46

Authors

A

Alexey Lyubimtsev

Institut für Organische Chemie der Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany; Ivanovo State University of Chemistry and Technology, F. Engels str. 7, 15300 Ivanovo, Russia

Z

Zafar Iqbal

Institut für Organische Chemie der Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany; Karakoram International University, Department of Chemistry, Gilgit, Pakistan

G

Göran Crucius

Institut für Organische Chemie der Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany

S

Sergey Syrbu

Ivanovo State University of Chemistry and Technology, F. Engels str. 7, 15300 Ivanovo, Russia

E

Ekaterina S. Taraymovich

Institut für Organische Chemie der Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany; Ivanovo State University of Chemistry and Technology, F. Engels str. 7, 15300 Ivanovo, Russia

T

Thomas Ziegler

Institut für Organische Chemie der Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany

M

MICHAEL HANACK

Institut für Organische Chemie der Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany

Cite This Article

Alexey Lyubimtsev, Zafar Iqbal, Göran Crucius, et al. (2011). Aggregation behavior and UV-vis spectra of tetra- and octaglycosylated zinc phthalocyanines. Journal of Porphyrins and Phthalocyanines, 15(01), 39-46. https://doi.org/10.1142/s1088424611002891

Aggregation behavior and UV-vis spectra of tetra- and octaglycosylated zinc phthalocyanines

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