Polymer-supported 4-(n-benzyl-n-methylamino) pyridine...

Details Polymer-supported 4-(n-benzyl-n-methylamino) pyridine... Polymer-supported 4-(n-benzyl-n-methylamino) pyridine...

C - Chemistry, Metallurgy

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C08F 226/06 (2006.01) B01J 31/06 (2006.01) C07D 213/74 (2006.01) C08F 212/14 (2006.01) C08L 39/08 (2006.01)

Patent

CA 1337521

A cross-linked polymer-supported 4-(N-benzyl-N-methylamino) pyridine material and process for its preparation in high yield and having effective physical and catalytic properties. The polymer-supported catalyst is characterized by the suspension copolymerization of an organic phase containing the corresponding vinyl-substituted pyridine monomer, a styrene monomer, and a suitable cross-linking agent and free radical-generating catalyst in the presence of an aqueous phase containing a cellulose ether derivative as the stabilizing agent. The catalyst is further characterized by its yield in excess of 90% by weight and by its predominant and generally spherical and smooth bead form and substantially uniform size that is efficiently hard and durable and possesses sufficient catalytic activity for effective use in acylation, alkylation or other related reactions.

612086

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