Brunner, Henri and Maier, Reinhard J. and Zabel, Manfred (2001) Asymmetric catalysis; 140: Tris(2-pyridyl)methane derivatives with a chiral bridging atom. SYNTHESIS-STUTTGART (16). pp. 2484-2494. ISSN 0039-7881
Full text not available from this repository. (Request a copy)Abstract
Two different series of C-1-symmetric tris(2-pyridyl)methane tripod ligands were synthesized with pyridin-2-yl, 6-phenylpyridin-2-yl and 6-methoxy- or 6-menthyloxypyridin-2-yl substitutents. The menthoxy devivatives were resolved with respect to the bridging carbon atom by chromatography. In reactions with CuCl2 and RhCl3 complexes were obtained which could be analyzed by X-ray crystallography. In the formation of the Rh complex an ortho-metallation of the 6-phenyl substituent occurred giving rise to a Delta/Lambda -element of chirality. Whereas the chiral tripod ligand conferred a stable configuration to the Rh atom, a fast equilibration of the Delta- and Lambda -isomers was observed.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | X-RAY STRUCTURES; TRIPOD LIGANDS; RUTHENIUM(II) COMPLEXES; PYRIDINE; chiral tripod ligands; tris(2-pyridyl)methane derivatives; Cu-complex; Rh-complex; ortho-metallation; absolute configuration |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Anorganische Chemie > Alumni or Retired Professors > Prof. Dr. Henri Brunner |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 24 Nov 2021 09:16 |
| Last Modified: | 24 Nov 2021 09:16 |
| URI: | https://pred.uni-regensburg.de/id/eprint/40920 |
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