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Late Transition Metal-Carboryne Complexes
Synthesis, Structure, Bonding, and Reaction with Alkenes and Alkynes
Sofort lieferbar | Lieferzeit: Sofort lieferbar I
ISBN-13:
9783642243615
Veröffentl:
2012
Seiten:
134
Autor:
Zaozao Qiu
Serie:
Springer Theses
eBook Typ:
PDF
eBook Format:
EPUB
Kopierschutz:
1 - PDF Watermark
Sprache:
Englisch
Beschreibung:
In this thesis, Zaozao Qiu shows that transition metals can mediate or catalyze cycloaddition and coupling reactions of carboryne with alkynes or alkenes. These reactions afford benzocarboranes, alkenylcarboranes or dihydrobenzocarboranes, and are powerful strategies to assemble useful complex molecules in a single operation from very simple precursors. Carboranes have many applications in medicine. However, their unique structures make derivatization difficult and until now limited efficient synthetic methods to obtain functional carborane materials have restricted their application. This work breaks new ground in metal-carboryne chemistry and will have a significant impact on synthetic, cluster and materials chemistry.
Introduction.- Nickel-1,2-o-Carboryne Complexes.- Nickel-Mediated Coupling Reactions of 1,2-o-Carboryne with Alkenes.- Nickel-Mediated/Catalyzed Three-Component Cycloaddition Reaction of 1,2-o-Carboryne/Arynes, Alkenes, and Alkynes.- Nickel-Catalyzed Regioselective [2+2+2] Cycloaddition of 1,2-o-Carboryne with Alkynes.- Palladium/Nickel-Cocatalyzed [2+2+2] Cycloaddition of 1,3-o-Carboryne with Alkynes.- Conclusion.- Experimental Section.
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