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- Title
Coordination Abilities of Di-2-picolylphenylphosphane Judged on the Basis of Charge Density Investigations.
- Authors
Objartel, Ina; Leusser, Dirk; Engelhardt, Felix; Herbst‐Irmer, Regine; Stalke, Dietmar
- Abstract
The hindered reactivity of [PhP(CH2Py)2LiCl]2 ( 2) compared to the coordination behavior of the lithium chloride free ligand PhP(CH2Py)2 (Py = 2-pyridyl) ( 1) could be elucidated by means of experimental electron density studies. According to the successful synthesis of metal complexes containing the dianionic Janus Head ligand [PhP(CHPy)2]2-, the formation and the coordination pattern of the monoanionic ligand [PhP{C(H)Py}(CH2Py)]- was examined. The reaction of ligand 1 with n-butyllithium/PMDETA and the superbase n-butyllithium/NaO tBu, respectively, led to the alkali metal complexes [(PMDETA)Li{C(H)Py}P(CH2Py)Ph] ( 5) and [(PyCH2)PhP{C(H)Py}Na(Et2O)]2 ( 6).
- Subjects
LITHIUM; ELECTRON density; SUPERBASES (Chemistry); SODIUM; CHEMICAL research; BUTYLLITHIUM; LIGANDS (Chemistry)
- Publication
Zeitschrift für Anorganische und Allgemeine Chemie, 2013, Vol 639, Issue 11, p2005
- ISSN
0044-2313
- Publication type
Article
- DOI
10.1002/zaac.201300092