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Metal complexes of phytohormones. Part IV. Interactions of tetrakis-μ-acetato dirhodium(II) with 6-furfurilaminopurine, 6-benzylaminopurine, 6-furfurilaminopurine riboside and 6-benzylaminopurine riboside

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Summary

Interactions of tetrakis-μ-acetato-dirhodium(II) with purine-derived ligands of biological interest such as the cytokinins 6-furfurilaminopurine (K), 6-benzylaminopurine (BAP), 6-furfurilaminopurine riboside (KR) and 6-benzylaminopurine riboside (BAPR) have been studied by means of magnetic susceptibility measurements at room temperature, i.r. and electronic spectroscopy and thermogravimetric analysis 1∶1 metal:ligand adducts were obtained with all ligands; in addition 1∶2 adducts were obtained with KR and BAPR. The most plausible structure for the 1∶1 adducts is a polymeric bridging one, involving both axial positions of the RhII dimer and two N-sites of the purine moiety; for the 1∶2 adducts only one N-site is involved.

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Authors and Affiliations

  1. Istituto C.N.R. per l'Applicazione delle Tecniche Chimiche Avanzate ai Problemi Agrobiologici, Via Vienna 2, 07100, Sassari, Italy

    Maria Antonietta Zoroddu, Gavina Manca & Stefano Mosca

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  1. Maria Antonietta Zoroddu
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  2. Gavina Manca
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  3. Stefano Mosca
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Zoroddu, M.A., Manca, G. & Mosca, S. Metal complexes of phytohormones. Part IV. Interactions of tetrakis-μ-acetato dirhodium(II) with 6-furfurilaminopurine, 6-benzylaminopurine, 6-furfurilaminopurine riboside and 6-benzylaminopurine riboside. Transition Met Chem 16, 301–303 (1991). https://doi.org/10.1007/BF01024067

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  • DOI: https://doi.org/10.1007/BF01024067

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