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Chem Asian J. 2008 Sep 1;3(8-9):1230-6. doi: 10.1002/asia.200800126.

Acid-base bifunctional catalytic surfaces for nucleophilic addition reactions.

Author information

1
Department of Chemistry, Graduate School of Science, The University of Tokyo, Hong, Bunkyo-ku, Japan.

Abstract

This article illustrates the modification of oxide surfaces with organic amine functional groups to create acid-base bifunctional catalysts, summarizing our previous reports and also presenting new data. Immobilization of organic amines as bases on inorganic solid-acid surfaces afforded highly active acid-base bifunctional catalysts, which enabled various organic transformations including C--C coupling reactions, though these reactions did not proceed with either the homogeneous amine precursors or the acidic supports alone. Spectroscopic characterization, such as by solid-state MAS NMR and FTIR, revealed not only the interactions between acidic and basic sites but also bifunctional catalytic reaction mechanisms.

PMID:
18663720
DOI:
10.1002/asia.200800126

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