Journal
TETRAHEDRON
Volume 67, Issue 39, Pages 7502-7509Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2011.07.068
Keywords
Acyloxysilane; Degradable dendrimer; Ligand redistribution
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Funding
- U.S. Department of Energy though the Institute for Catalysis in Energy Processes (ICEP) at Northwestern University [DE-FG02-03ER15457]
- MNM [DE-FG02-01ER15184]
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Two types of dendrimers with AB(2) branching, one with acyloxysilanes at the branching position (V type) and the other at the non-branching position (Y type), were synthesized using hydrosilylation with chlorosilanes followed by heterofunctional condensation with olefin-functional carboxylic acids, and examined as readily degradable template materials. The V type dendrimer was much more susceptible to ligand redistribution with chlorosilanes during preparation, whereas the Y type was less. The acyloxysilane linkages in these dendrimers could be cleaved readily by alcoholysis or hydrolysis on demand, making for suitable templates. (C) 2011 Elsevier Ltd. All rights reserved.
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