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Title

A Stable and Recoverable Chiral Ru Lewis Acid: Synthesis, Asymmetric Diels-Alder Catalysis and Structure of the Lewis Acid Methacrolein Complex

Authors
Saudan, Christophe M.
Published in Angewandte Chemie: International Edition. 1999, vol. 38, no. 9, p. 1219-1223
Abstract Ease of generation, stablity in solution at ambient temperature, high enantioselectivity in Diels-Alder reactions, efficient catalyst recovery, and large rate differences on variation of the anion are all characteristics of the new Ru Lewis acid [CpRu((S,S)-biphop-F)]+ (biphop-F=(C6F5)2POCH2(Ph)CH2(Ph)OP(C6F5)2). The structure of complex 1 (L=methacrolein, Y=SbF6) provides evidence for a cooperative binding of the dienophile by both the Lewis acid and the anion.
Keywords Asymmetric catalysisCycloadditionsLewis acidsP ligandsRuthenium
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KUNDIG, Ernst Peter, SAUDAN, Christophe M., BERNARDINELLI, Gérald Hugues. A Stable and Recoverable Chiral Ru Lewis Acid: Synthesis, Asymmetric Diels-Alder Catalysis and Structure of the Lewis Acid Methacrolein Complex. In: Angewandte Chemie: International Edition, 1999, vol. 38, n° 9, p. 1219-1223. https://archive-ouverte.unige.ch/unige:7812

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Deposited on : 2010-06-21

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