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Gallium(III) and Indium(III) Complexes with meso-Monophosphorylated Porphyrins: Synthesis and Structure. A First Example of Dimers Formed by the Self-Assembly of meso-Porphyrinylphosphonic Acid Monoester

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posted on 14.02.2017, 17:34 by Yulia Yu. Enakieva, Marina V. Volostnykh, Sergey E. Nefedov, Gayane A. Kirakosyan, Yulia G. Gorbunova, Aslan Yu. Tsivadze, Alla G. Bessmertnykh-Lemeune, Christine Stern, Roger Guilard
The synthesis and structural characterization, both in solution by means of 1H and 31P NMR and UV–vis spectroscopies and in the solid state by X-ray diffraction on single crystal, of a series of gallium­(III) and indium­(III) meso-mono­(diethoxyphosphoryl)­porphyrins bearing different peripheral substituents as well as the corresponding monoesters and phosphonic acids are reported. This work describes the first example of the X-ray structure of a self-assembled dimer formed via strong binding between the oxygen atom of the phosphonate substituent and the gallium­(III) cations of adjacent porphyrin molecules [Ga–O = 1.9708(13) Å].

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