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Tuning the Properties of Copper(II) Complexes with Tetra‐ and Pentadentate Bispidine (=3,7‐Diazabicyclo[3.3.1]nonane) Ligands
Author(s) -
Comba Peter,
Lopez de Laorden Carlos,
Pritzkow Hans
Publication year - 2005
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.200590045
Subject(s) - chemistry , nonane , tetra , electrochemistry , pyridine , ligand (biochemistry) , copper , solvent , crystal structure , quinoline , electron paramagnetic resonance , metal , stereochemistry , crystallography , medicinal chemistry , organic chemistry , biochemistry , physics , receptor , electrode , nuclear magnetic resonance
The synthesis of a series of tetra‐ and pentadentate bispidine‐type ligands (bispidine=3,7‐diazabicyclo[3.3.1]nonane) – tetradentate ligands are donor‐substituted at C(2) and C(4), pentadentate ligands have an additional donor at N(3) or N(7), with pyridine, 2‐methylpyridine, or quinoline donor moieties – and of their Cu II complexes are reported, together with single‐crystal structural analyses and solution studies (electrochemistry, electronic and EPR spectroscopy). Depending on the ligand geometry and on the co‐ligands (solvent or counter anion), there are various structural forms (pseudo‐ Jahn–Teller elongation along all three molecular axes), and the structural data are correlated with the spectroscopic and electrochemical parameters.

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