Autor: |
Natalia V. Dubrovina, Christoph Waloch, Bernhard Breit, Ivan A. Shuklov, Rocco Dr. Paciello, Mandy-Nicole Birkholz, Jens Holz, Armin Börner |
Rok vydání: |
2007 |
Předmět: |
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Zdroj: |
Tetrahedron: Asymmetry. 18:2055-2060 |
ISSN: |
0957-4166 |
DOI: |
10.1016/j.tetasy.2007.08.026 |
Popis: |
New chiral phospholanes were prepared by coupling of bromo-substituted heterocycles with the enantiopure, building block (2 R ,5 R )-2,5-dimethyl-1-chlorophospholane. Some of the new phosphine ligands have the potential for self-assembling via hydrogen bondings in a metal complex. By application of these and related ligands in the palladium catalyzed allylic amination reaction, high enantioselectivities (up to 99%) were achieved. The influence of the construction of the cyclic phosphine ligands on the enantioselectivity is analyzed. |
Databáze: |
OpenAIRE |
Externí odkaz: |
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