Direct C−N Coupling in an in Situ Ligand Transformation and the Self-Assembly of a Tetrametallic [NiII4] Staircase - Institut de chimie de la matière condensée de Bordeaux Accéder directement au contenu
Article Dans Une Revue Inorganic Chemistry Année : 2015

Direct C−N Coupling in an in Situ Ligand Transformation and the Self-Assembly of a Tetrametallic [NiII4] Staircase

Résumé

A [NiII4] staircase complex was serendipitously prepared from the reaction of the binucleating Schiff base proligand 2,6-bis[[(3-hydroxypropyl)imino]- methyl]-4-methylphenol (H3L2) and 3,5-dimethylpyrazole (Me2pzH) with nickel(II) nitrate in a reaction at room temperature, initially aimed to yield a dinuclear complex. From a room temperature metal ion/ligand reaction, the proligand H3L2 in situ transformed to modified forms HL32− and HL42−, allowing the [Ni4] formation. Variable temperature magnetic behavior of a [Ni4] complex reveals antiferromagnetic interactions with stabilization of a diamagnetic ground state (ST = 0).

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Matériaux
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Dates et versions

hal-01161910 , version 1 (09-06-2015)

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Aloke Kumar Ghosh, Tufan Singha Mahapatra, Rodolphe Clérac, Corine Mathonière, Valerio Bertolasi, et al.. Direct C−N Coupling in an in Situ Ligand Transformation and the Self-Assembly of a Tetrametallic [NiII4] Staircase. Inorganic Chemistry, 2015, 54 (11), pp.5136-5138. ⟨10.1021/acs.inorgchem.5b00411⟩. ⟨hal-01161910⟩
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