Supramolecular Catalysis with Extended Aggregates and Gels: Inversion of Stereoselectivity Caused by Self??Assembly

F Rodríguez??Llansola, JF Miravet…

Index: Rodriguez-Llansola, Francisco; Miravet, Juan F.; Escuder, Beatriu Chemistry - A European Journal, 2010 , vol. 16, # 28 p. 8480 - 8486

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Citation Number: 42

Abstract

Abstract L-Proline-L-valine dipeptide derivatives, which self-assemble in toluene, have been studied as stereoselective catalysts in the conjugate addition of cyclohexanone to trans-β- nitrostyrene. Remarkable effects on the stereoselectivity are observed associated to the aggregation of the catalyst. Outstanding differences were observed between the catalytic activity of compound 1, which forms supramolecular gels in toluene, and compound 2, ...

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