Microencapsulated linear polymers: "soluble" heterogeneous catalysts |
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Authors: | Price Kristin E Mason Brian P Bogdan Andrew R Broadwater Steven J Steinbacher Jeremy L McQuade D Tyler |
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Affiliation: | Baker Laboratory, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, USA. |
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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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