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First-row transition-metal complexes of a new pentadentate ligand, alpha,alpha,alpha',alpha'-tetra(pyrazolyl)lutidine.

Authors
  • Morin, Tyler J
  • Bennett, Brian
  • Lindeman, Sergey V
  • Gardinier, James R
Type
Published Article
Journal
Inorganic Chemistry
Publisher
American Chemical Society
Publication Date
Sep 01, 2008
Volume
47
Issue
17
Pages
7468–7470
Identifiers
DOI: 10.1021/ic801093q
PMID: 18681427
Source
Medline
License
Unknown

Abstract

A new pentadentate ligand, alpha,alpha,alpha',alpha'-tetra(pyrazolyl)lutidine, pz 4lut, has been prepared by a CoCl 2-catalyzed rearrangement reaction between 2,6-pyridinedicarboxaldehyde and dipyrazolylthione. The coordination chemistry with some divalent first-row transition metal (Mn, Fe, Co, Ni, Cu, and Zn) chlorides has been explored. The electronic properties indicate that the new kappa (5)N ligand is a slightly stronger-field donor to Ni (2+) and Co (2+) than a related pentadentate ligand with five pyridyl donors presumably because of greater interaction between the metal and axial pyridyl.

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