1997•Chemical CommunicationsRequires access
Chiral ruthenium complexes as catalysts in enantioselective Diels–Alder reactions. Crystal structure of the Lewis acid–dienophile adduct
Daniel Carmona, Sergio Elipe, Fernando J. Lahoz, Luis A. Oro, Carlos Cativiela, M. Pilar López-Ram de Víu, M.P. Lamata, Cristina Vega, Fernando Viguri
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Abstract
On the basis of spectroscopic and structural studies a full catalytic cycle is proposed for the Diels–Alder reaction between methacrolein and cyclopentadiene when the new chiral aquo-complexes (RRu, SRu)-[(η6-p-cymene)Ru(PN)(H2O)][SbF6]2 {PN = (3aS, 8aR)-2-(2-diphenylphosphinophenyl)-3a,8a-dihydroindane[1,2-d]oxazole} are used as catalysts.