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Expanding the scope of atropisomeric monodentate P-Donor ligands in asymmetric catalysis: hydrogen-transfer reduction of α,β-unsaturated Acid Derivatives by Rhodium/Ph-binepine Catalysts

Alberico, Elisabetta and Nieddu, Ilenia and Taras, Rossana Maria and Gladiali, Serafino Gabriele (2006) Expanding the scope of atropisomeric monodentate P-Donor ligands in asymmetric catalysis: hydrogen-transfer reduction of α,β-unsaturated Acid Derivatives by Rhodium/Ph-binepine Catalysts. Helvetica Chimica Acta, Vol. 89 (8), p. 1716-1729. eISSN 1522-2675. Article.

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DOI: 10.1002/hlca.200690169

Abstract

A range of α,β-unsaturated acids and esters have been selectively reduced to the corresponding saturated acid derivatives by hydrogen transfer. As the reducing agent, formic acid was used in the presence of RhI complexes formed with the powerful chiral ligand Ph-binepine, an axially chiral binaphthalenetype monodentate P-donor ligand. Very high stereoselectivities (up to 97% ee) were obtained in the case of itaconic acid.

Item Type:Article
ID Code:2384
Status:Published
Refereed:Yes
Uncontrolled Keywords:Phosphepine ligands, hydrogen transfer, rhodium complexes, itaconic acid
Subjects:Area 03 - Scienze chimiche > CHIM/04 Chimica industriale
Divisions:001 Università di Sassari > 01 Dipartimenti > Chimica
002 Altri enti e centri di ricerca del Nord Sardegna > CNR-Consiglio Nazionale delle Ricerche > Istituto di chimica biomolecolare, Sassari
Publisher:Wiley
eISSN:1522-2675
Copyright Holders:© 2006 Verlag Helvetica Chimica Acta
Deposited On:18 Aug 2009 10:07

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