4-(n-benzyl-n-methylamino) pyridine acid salts and use in...

Details 4-(n-benzyl-n-methylamino) pyridine acid salts and use in... 4-(n-benzyl-n-methylamino) pyridine acid salts and use in...

C - Chemistry, Metallurgy

07

D

252/124, 400/133

C07D 213/74 (2006.01) C08F 12/26 (2006.01) C08F 26/06 (2006.01)

Patent

CA 1341047

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. A purified acid salt of the vinyl-substituted pyridine monomer useful in polymerizations and stable for storage as either a solid or an aqueous solution.

612078

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