Abstract
A polymer brush-supported 4-N,N-dialkylaminopyridine catalyst was prepared by surface-initiated nitroxide-mediated polymerization from initiator functionalized crosslinked polystyrene particles. The hairy particles efficiently catalyzed the acylation of secondary alcohols and Baylis-Hillman reaction of 4-nitrobenzaldehyde and methyl vinyl ketone, and were recycled at least six times with no or negligible decrease in the reaction yield.
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