Enantioselective CO<sub>2</sub> Fixation Via a Heck‐Coupling/Carboxylation Cascade Catalyzed by Nickel
Alessandro CerveriDipartimento di Chimica “Giacomo Ciamician” Alma Mater Studiorum – Università di Bologna Via Selmi 2 40126 Bologna ItalyRiccardo GiovanelliDipartimento di Chimica “Giacomo Ciamician” Alma Mater Studiorum – Università di Bologna Via Selmi 2 40126 Bologna ItalyDavide SellaDipartimento di Chimica “Giacomo Ciamician” Alma Mater Studiorum – Università di Bologna Via Selmi 2 40126 Bologna ItalyRiccardo PedrazzaniDipartimento di Chimica “Giacomo Ciamician” Alma Mater Studiorum – Università di Bologna Via Selmi 2 40126 Bologna ItalyMagda MonariDipartimento di Chimica “Giacomo Ciamician” Alma Mater Studiorum – Università di Bologna Via Selmi 2 40126 Bologna ItalyOlalla Nieto FazaDepartamento de Química Orgánica Universidade de Vigo As Lagoas (Marcosende) 36310 Vigo SpainCarlos Silva LópezDepartamento de Química Orgánica Universidade de Vigo As Lagoas (Marcosende) 36310 Vigo SpainMarco BandiniConsorzio CINMPIS via Selmi 2 40126 Bologna Italy
2021en
ABI
Аннотация
fixation is achieved as a second step of a truncated Heck coupling. For this, a new chiral ligand has been prepared and shown to achieve enantiomeric excesses up to 99 %. The overall process efficiently furnishes chiral 2,3-dihydrobenzofuran-3-ylacetic acids, an important class of bioactive products, from easy to prepare starting materials. A combined experimental and computational effort revealed the key steps of the catalytic cycle and suggested the unexpected participation of Ni(I) species in the coupling event.
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