Metal complexes of phytohormones. Part IV. Interactions of tetrakis-?-acetato dirhodium(II) with 6-furfurilaminopurine, 6-benzylaminopurine, 6-furfurilaminopurine riboside and 6-benzylaminopurine riboside
Copyright policy )Metal complexes of phytohormones. Part IV. Interactions of tetrakis-?-acetato dirhodium(II) with 6-furfurilaminopurine, 6-benzylaminopurine, 6-furfurilaminopurine riboside and 6-benzylaminopurine riboside
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.
- University of Sassari Italy
- National Research Council Italy
Inorganic Chemistry
Inorganic Chemistry
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