Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2013, Issue 9, Pages 1667-1670Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201300031
Keywords
ClickPhos; Phosphane ligands; Cyclophanes; Cross-coupling; Chirality
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Funding
- Karlsruhe Institute of Technology (KIT)
- Deutsche Forschungs-gemeinschaft (DFG) [SFB/TRR 88]
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Triazole-based phosphanes have recently been shown to be interesting ligands in organometallic catalysis. The synthesis of novel [2.2]paracyclophane-substituted triazole-based phosphane ligands was achieved. The possibility to synthesize these molecules in a highly enantioenriched form is also reported. Moreover, the ability of the novel ligands to coordinate with metal centers was explored. Besides a dinuclear copper complex, a Pd-II complex could also be isolated, the structure of which was characterized by X-ray analysis. Pd-II complexes derived from these ligands provide highly active catalysts for the Suzuki-Miyaura coupling of aryl chlorides.
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