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Spontaneous Metal-Free Transfer Hydrogenation of Iminoboranes with Ammonia Borane and Amine Boranes.
Winner, Lena; Ewing, William C; Geetharani, K; Dellermann, Theresa; Jouppi, Brian; Kupfer, Thomas; Schäfer, Marius; Braunschweig, Holger.
Afiliación
  • Winner L; Institut for Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.
  • Ewing WC; Boron Specialties, LLC, 2301 Duss Ave., Box 35, Ambridge, PA, 15003, USA.
  • Geetharani K; Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore-, 560012, India.
  • Dellermann T; Institut for Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.
  • Jouppi B; Boron Specialties, LLC, 2301 Duss Ave., Box 35, Ambridge, PA, 15003, USA.
  • Kupfer T; Institut for Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.
  • Schäfer M; Institut for Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.
  • Braunschweig H; Institut for Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.
Angew Chem Int Ed Engl ; 57(38): 12275-12279, 2018 Sep 17.
Article en En | MEDLINE | ID: mdl-30075060
The first spontaneous, metal-free, room-temperature hydrogen transfer from ammonia borane to an iminoborane is reported. Mechanistic studies of the reaction indicate a concerted transfer of H+ and H- from donor to acceptor with an activation energy far below those of comparable concerted transfer hydrogenations. This reaction was employed in the syntheses and isolation of new B,N-disubstituted aminoboranes, a comparatively rare subset within the aminoborane family. This successful transfer hydrogenation to a highly dehydrogenated BN system may serve as a starting point for the design of new systems capable of reversible dehydrogenation/rehydrogenation.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2018 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Alemania
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2018 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Alemania