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Effect of nanosized TiO2–SiO2 covalently modified by chiral molecules on the asymmetric Biginelli reaction

Paper ID Volume ID Publish Year Pages File Format Full-Text
54346 47006 2015 5 PDF Available
Title
Effect of nanosized TiO2–SiO2 covalently modified by chiral molecules on the asymmetric Biginelli reaction
Abstract

•Mixed nanooxide TiO2–SiO2 was obtained using the co-precipitation method.•The nanooxide was modified with chiral molecules through covalent bonding.•Synthesized nanocomposites (NCs) were used as catalysts of the Biginelli reaction.•In contrast to individual chiral compounds, NCs exhibited enantiocatalytic properties.

The method for immobilization of chiral molecules (menthol and proline derivatives) on the mixed nanooxide TiO2–SiO2 surface has been developed. The synthesized nanocomposites were used as catalysts of the Biginelli reaction. It was shown that inactive chiral molecules, when covalently bonded to the nanooxide surface, acquired properties of a chiral inducer in the asymmetric Biginelli reaction.

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Keywords
Asymmetric catalysis; Biginelli reaction; Nanosized metal oxides; Surface-modification
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Effect of nanosized TiO2–SiO2 covalently modified by chiral molecules on the asymmetric Biginelli reaction
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 241, Part B, 1 March 2015, Pages 270–274
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
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Price after discount Only $4.95
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