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Microencapsulated linear polymers: "soluble" heterogeneous catalysts
Authors:Price Kristin E  Mason Brian P  Bogdan Andrew R  Broadwater Steven J  Steinbacher Jeremy L  McQuade D Tyler
Affiliation:Baker Laboratory, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, USA.
Abstract:A new strategy for supporting catalysts based on the microencapsulation of linear polymers is presented. In this paper, we present a DMAP capsule that is capable of catalyzing acylation reactions. The catalyst is compared to DMAP on cross-linked and linear polystyrene, as well as small molecule DMAP. Rapid optimization through modification of encapsulation conditions is demonstrated. The optimization provides a dynamic range of catalysis from 90 to 300% of the rate of DMAP on polystyrene.
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