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Bifurcated Nickel‐Catalyzed Functionalizations: Heteroarene C−H Activation with Allenes

Nakanowatari, Sachiyo ; Müller, Thomas ; Oliveira, João C. A. ; Ackermann, Lutz

Angewandte Chemie International Edition, 2017-12, Vol.56 (50), p.15891-15895 [Periódico revisado por pares]

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Título:
Bifurcated Nickel‐Catalyzed Functionalizations: Heteroarene C−H Activation with Allenes
Autor: Nakanowatari, Sachiyo ; Müller, Thomas ; Oliveira, João C. A. ; Ackermann, Lutz
Assuntos: allenes ; Bifurcations ; C−H activation ; heterocycles ; Imidazole ; mechanisms ; Nickel
É parte de: Angewandte Chemie International Edition, 2017-12, Vol.56 (50), p.15891-15895
Notas: These authors contributed equally to this work.
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Descrição: A unified strategy for nickel(0)‐catalyzed C−H allylations, alkenylations, and dienylations has been realized through versatile hydroarylations of allenes with ample scope. Thus, an inexpensive nickel catalyst modified with a N‐heterocyclic carbene ligand enabled the direct transformation of C−H bonds of biologically relevant imidazole and purine derivatives with full control of regio‐ and chemoselectivity. Facile C−H activation: Bifurcated nickel(0)‐catalyzed C−H allylations, alkenylations, and dienylations have been accomplished by versatile hydroarylations of allenes with full control of regio‐ and chemoselectivity. The scope of the reaction covers a variety of imidazole and purine derivatives.
Editor: Germany: Wiley Subscription Services, Inc
Idioma: Inglês

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