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Reference type: Journal
Authors: Coutinho D, Acevedo AO, Dieckmann GR, Balkus KJ
Article Title: Molecular imprinting of mesoporous SBA-15 with chiral ruthenium complexes.
Publication date: 2002
Journal: Microporous And Mesoporous Materials
Volume: 54
Issue: (3)
Page numbers: 249-255.
DOI: 10.1016/S1387-1811(02)00383-9

Abstract: A novel strategy for imprinting mesoporous SBA-15 using chiral ruthenium complexes is reported. This imprinting strategy combines the triblock copolymer (PEO)(20)(PPO)(70)(PEO)(20) template and the chiral dichlorotris(1,10- phenanthroline)ruthenium(II) complex. A chiral PEO helix is formed by interaction of the chiral ruthenium complex with the block copolymer during the templated synthesis of the mesoporous SBA-15 molecular sieves. Upon removal of the chiral ruthenium complex, a stereospecific cavity is created. Preliminary results indicate that stereoselective absorption of either Delta or Lambda-Ru(phen)21 isomers from a racemic mixture can be achieved depending on the chirality of the PEO chain. (C) 2002 Elsevier Science Inc. All rights reserved

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