3,3-Bis(3,5-dimethylpyrazol-1-yl)propionic acid : A tripodal N,N,O ligand for manganese and rhenium complexes - Syntheses and structures

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2009
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Hübner, Eike
Heinemann, Frank W.
Burzlaff, Nicolai
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Journal of Organometallic Chemistry. Elsevier. 2009, 694(15), pp. 2319-2327. ISSN 0022-328X. eISSN 1872-8561. Available under: doi: 10.1016/j.jorganchem.2009.03.037
Zusammenfassung

The tripodal N,N,O ligands 3,3-bis(3,5-dimethylpyrazol-1-yl)propionic acid (Hbdmpzp) (1) and 3,3-bis(pyrazol-1-yl)propionic acid (Hbpzp) (2) form the “missing link” between the well-known bis(pyrazol-1-yl)acetic acids and related ligands with a longer “carboxylate arm”. To illustrate the reactivity of this ligand, manganese and rhenium complexes bearing the ligand bdmpzp are reported. The complexes are compared to related compounds bearing other tripod ligands such as bis(3,5-dimethylpyrazol-1-yl)acetate (bdmpza) and 3,3-bis(1-methylimidazol-2-yl)propionate (bmip). Spectroscopic and structural data are used as a basis for comparison, as well as DFT calculations. Both ligands 1 and 2 and the complexes fac-[Mn(bdmpzp)(CO)3] (3) and fac-[Re(bdmpzp)(CO)3] (4) were characterised by X-ray crystallography.

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ISO 690PETERS, Liv, Eike HÜBNER, Thomas HAAS, Frank W. HEINEMANN, Nicolai BURZLAFF, 2009. 3,3-Bis(3,5-dimethylpyrazol-1-yl)propionic acid : A tripodal N,N,O ligand for manganese and rhenium complexes - Syntheses and structures. In: Journal of Organometallic Chemistry. Elsevier. 2009, 694(15), pp. 2319-2327. ISSN 0022-328X. eISSN 1872-8561. Available under: doi: 10.1016/j.jorganchem.2009.03.037
BibTex
@article{Peters200933Bis-58208,
  year={2009},
  doi={10.1016/j.jorganchem.2009.03.037},
  title={3,3-Bis(3,5-dimethylpyrazol-1-yl)propionic acid : A tripodal N,N,O ligand for manganese and rhenium complexes - Syntheses and structures},
  number={15},
  volume={694},
  issn={0022-328X},
  journal={Journal of Organometallic Chemistry},
  pages={2319--2327},
  author={Peters, Liv and Hübner, Eike and Haas, Thomas and Heinemann, Frank W. and Burzlaff, Nicolai}
}
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    <dcterms:abstract xml:lang="eng">The tripodal N,N,O ligands 3,3-bis(3,5-dimethylpyrazol-1-yl)propionic acid (Hbdmpzp) (1) and 3,3-bis(pyrazol-1-yl)propionic acid (Hbpzp) (2) form the “missing link” between the well-known bis(pyrazol-1-yl)acetic acids and related ligands with a longer “carboxylate arm”. To illustrate the reactivity of this ligand, manganese and rhenium complexes bearing the ligand bdmpzp are reported. The complexes are compared to related compounds bearing other tripod ligands such as bis(3,5-dimethylpyrazol-1-yl)acetate (bdmpza) and 3,3-bis(1-methylimidazol-2-yl)propionate (bmip). Spectroscopic and structural data are used as a basis for comparison, as well as DFT calculations. Both ligands 1 and 2 and the complexes fac-[Mn(bdmpzp)(CO)&lt;sub&gt;3&lt;/sub&gt;] (3) and fac-[Re(bdmpzp)(CO)&lt;sub&gt;3&lt;/sub&gt;] (4) were characterised by X-ray crystallography.</dcterms:abstract>
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