Iron-Catalyzed C-H Borylation of Arenes.

Thomas Dombray; C. Gunnar Werncke; Shi Jiang; Mary Grellier; Laure Vendier; Sébastien Bontemps; Jean-Baptiste Sortais; Sylviane Sabo-Etienne; Christophe Darcel

doi:10.1021/jacs.5b00895

Journal articles

Iron-Catalyzed C-H Borylation of Arenes.

Thomas Dombray ¹ C. Gunnar Werncke ^{2, 3} Shi Jiang Mary Grellier ^{2, 3} Laure Vendier ² Sébastien Bontemps ² Jean-Baptiste Sortais ¹ Sylviane Sabo-Etienne ² Christophe Darcel ¹

1 ISCR - Institut des Sciences Chimiques de Rennes

2 LCC - Laboratoire de chimie de coordination

3 UT3 - Université Toulouse III - Paul Sabatier

Abstract : Well-defined iron bis(diphosphine) complexes are active catalysts for the dehydrogenative C-H borylation of aromatic and heteroaromatic derivatives with pinacolborane. The corresponding borylated compounds were isolated in moderate to good yields (25-73%) with a 5 mol% catalyst loading under UV irradiation (350 nm) at room temperature. Stoichiometric reactivity studies and isolation of an original trans-hydrido(boryl)iron complex, Fe(H)(Bpin)(dmpe)2, allowed us to propose a mechanism showing the role of some key catalytic species.

Keywords : Catalysts Irradiation Borylation Iron Hydrocarbons

Document type :

Journal articles

Domain :

Chemical Sciences

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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01153417
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Submitted on : Tuesday, May 19, 2015 - 5:25:32 PM
Last modification on : Friday, January 22, 2021 - 10:51:54 AM

Iron-Catalyzed C-H Borylation of Arenes.

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