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      Funktionalisierung von C-H-Bindungen: neue Synthesemethoden für Naturstoffe und Pharmazeutika

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      Angewandte Chemie

      Wiley-Blackwell

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          Palladium(II)-catalyzed C-H activation/C-C cross-coupling reactions: versatility and practicality.

          In the past decade, palladium-catalyzed C-H activation/C-C bond-forming reactions have emerged as promising new catalytic transformations; however, development in this field is still at an early stage compared to the state of the art in cross-coupling reactions using aryl and alkyl halides. This Review begins with a brief introduction of four extensively investigated modes of catalysis for forming C-C bonds from C-H bonds: Pd(II)/Pd(0), Pd(II)/Pd(IV), Pd(0)/Pd(II)/Pd(IV), and Pd(0)/Pd(II) catalysis. A more detailed discussion is then directed towards the recent development of palladium(II)-catalyzed coupling of C-H bonds with organometallic reagents through a Pd(II)/Pd(0) catalytic cycle. Despite the progress made to date, improving the versatility and practicality of this new reaction remains a tremendous challenge.
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            Catalytic dehydrogenative cross-coupling: forming carbon-carbon bonds by oxidizing two carbon-hydrogen bonds.

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              Aryl-aryl bond formation by transition-metal-catalyzed direct arylation.

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                Author and article information

                Journal
                Angewandte Chemie
                Angew. Chem.
                Wiley-Blackwell
                00448249
                September 03 2012
                September 03 2012
                : 124
                : 36
                : 9092-9142
                Article
                10.1002/ange.201201666
                © 2012

                http://doi.wiley.com/10.1002/tdm_license_1.1

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