Synthesis and characterization of nickel and palladium complexes containing hetero-multidentate PNO ligands
Resource
Inorganica Chimica Acta 358 (11): 3003-3008
Journal
Inorganica Chimica Acta
Journal Volume
358
Journal Issue
11
Pages
3003-3008
Date Issued
2005
Author(s)
Abstract
Formation of mono- and dinuclear complexes containing ligands stemmed from the condensation of 2,6-diformyl-4-methylphenol derivatives with 2-(diphenylphosphino)aniline (P∼N) was investigated. Condensation of P∼N with 2,6-diformyl-4-methylanisole yielded the desired bis(imine-phosphine) L3, but provided the cyclized benzoazaphospholium compound with 2,6-diformyl-4-methylphenol. Complexation of L3 with (COD)PdCl 2 gave the dinuclear complex 4. On the other hand, L3 underwent the intramolecular cyclization in the presence of (DME)NiCl 2 via the formation of benzoazaphospholium rings. Template condensation of 2,6-diformyl-4-methylphenol with P∼N in the presence of metal ions yielded the mononuclear nickel(II) and palladium(II) complexes, respectively. © 2005 Elsevier B.V. All rights reserved.
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journal article
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