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http://dx.doi.org/10.5012/bkcs.2009.30.8.1715

Synthesis and Spectroscopic Characterization of the New Sitting-atop Complexes from Reaction of Zirconyl Nitrate and Free Base meso-Tetraarylporphyrins in Mild Conditions

Dehghani, Hossein (Department of chemistry, Faculty of science, University of Kashan)
Mansournia, Mohammad Reza (Department of chemistry, Faculty of science, University of Kashan,)

Publication Information

Bulletin of the Korean Chemical Society / v.30, no.8, 2009 , pp. 1715-1718 More about this Journal

Abstract

A series of sitting-atop (SAT) complexes, [(ZrO) $H_2t(X)pp(NO_3)_2$ ], have been prepared via the reactions of free base meso-tetraarylporphyrins, $H_2$ t(X)pp, with zirconyl nitrate hydrate, ZrO(N $O_3)_2{\cdot}xH_2$ O. The products have been characterized by a variety of methods including $^1H\;NMR,\;^{13}C$ NMR, IR and UV-Vis spectroscopies, elemental analysis and conductance measurements. The data indicate that the meso-tetraarylporphyrins coordinate with two pyrrolenine nitrogen atoms to the zirconyl cation located above the distorted porphyrin plane and two protons remain on the pyrrole nitrogens. Such half sandwich-type sitting-atop complexes may be considered as models for the initial steps of the metallation of the macrocycles.

Keywords

Porphyrin; Zirconyl; SAT complex; Sitting-atop; Deformation;

Citations & Related Records

Times Cited By Web Of Science : 1 (Related Records In Web of Science)
Times Cited By SCOPUS : 1

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