Structure of ruthenium(II) complexes with coproporphyrin I tetraethyl ester


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Abstract

The reaction between coproporphyrin I tetraethyl ester and ruthenium(II) dodecacarbonyl in toluene is investigated. The formation of two different products, complexes 2 and 3 of ruthenium(II) with coproporphyrin I tetraethyl ester, studied by means of mass spectrometry, electronic absorption spectroscopy, NMR, X-ray diffraction, and thermogravimetric analysis, is revealed. Structures are proposed for the products, of which (2) is a monocarbonyl complex of ruthenium(II) porphyrin that exists as a coordination polymer formed owing to intermolecular axial bonding between the oxygen atoms of carboethoxyl groups and ruthenium(II). The structure proposed for second product (3) is in the form of the corresponding monomer of a monocarbonyl complex of ruthenium(II) porphyrin. It is established that polymeric complex 2 transforms into monomeric complex 3 when it is heating in pyridine.

About the authors

S. A. Zverev

Frumkin Institute of Physical Chemistry and Electrochemistry; Institute of Fine Chemical Technologies

Email: joz@mail.ru
Russian Federation, Moscow, 199071; Moscow, 119454

S. V. Andreev

Frumkin Institute of Physical Chemistry and Electrochemistry; Rospotrebnadzor Research Institute of Disinfectology

Email: joz@mail.ru
Russian Federation, Moscow, 199071; Moscow, 117246

I. A. Zamilatskov

Frumkin Institute of Physical Chemistry and Electrochemistry; Institute of Fine Chemical Technologies

Author for correspondence.
Email: joz@mail.ru
Russian Federation, Moscow, 199071; Moscow, 119454

N. M. Kurochkina

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: joz@mail.ru
Russian Federation, Moscow, 199071

V. S. Tyurin

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: joz@mail.ru
Russian Federation, Moscow, 199071

I. N. Senchikhin

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: joz@mail.ru
Russian Federation, Moscow, 199071

G. V. Ponomarev

Orekhovich Institute of Biomedical Chemistry

Email: joz@mail.ru
Russian Federation, Moscow, 119992

D. R. Erzina

Frumkin Institute of Physical Chemistry and Electrochemistry; Institute of Fine Chemical Technologies

Email: joz@mail.ru
Russian Federation, Moscow, 199071; Moscow, 119454

V. V. Chernyshev

Frumkin Institute of Physical Chemistry and Electrochemistry; Department of Chemistry

Email: joz@mail.ru
Russian Federation, Moscow, 199071; Moscow, 119991

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