Journal
INORGANICA CHIMICA ACTA
Volume 409, Issue -, Pages 34-52Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2013.07.058
Keywords
C-C bond forming reactions; Dendrimers; Homogeneous catalysis; Heterogeneous catalysis; Organic reactions; Organometallic reagents
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This Review article discusses dendritic organometallic catalysis, originating from catalytic moieties present at the peripheries of a dendrimer. The presence of multiple catalytic moieties at the dendrimer peripheries leads to a positive effect in majority of the homogeneous and heterogeneous catalysis, although a negative or a marginal improvement in the catalytic effect with respect to the corresponding monomeric catalyst were also encountered. A number of recent examples that attempt to rationalize the origin of the dendrimer effect in catalysis are discussed. Further a tabular survey is provided by categorizing the dendritic catalysts and their influence on catalysis. Recent studies on the multivalent dendritic catalysts, wherein varied number of catalytic moieties is installed within a given generation, are utilized to emphasize the role of clustering catalytic moieties at the peripheries of the dendrimers in influencing the catalysis. (C) 2013 Elsevier B. V. All rights reserved.
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