First reductive dimerization of a polycyclic azine

Abstract : The tptz molecule is reduced by potassium into its anion-radical in the compound K(tptz)2 (1), whereas it is reductively coupled by SmI2 and UI3(py)4 into the bis-triazinide ligand in the dinuclear complexes [Sm2(tptz– tptz)(DMF)8][I]4·3.5DMF (2·3.5DMF) and U2I6(tptz– tptz)(MeCN)2·2MeCN (3·2MeCN) where each metal ion occupies a pentadentate N5 cavity of the [tptz–tptz]2– ligand.
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Jean Claude Berthet, Pierre Thuéry, Cécile Baudin, Bruno Boizot, Michel Ephritikhine. First reductive dimerization of a polycyclic azine. Dalton Transactions, Royal Society of Chemistry, 2009, 37, pp.7613. ⟨10.1039/b909547k⟩. ⟨hal-00492628⟩

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