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The amination reaction of linear chloromethylated polystyrene with N-phenac
yl-4,4'-bipyridinium bromide: N(4-nitrophenacyl)4,4'-bipyridinium bromide a
nd N(4-methoxyphenacyl-)-4,4'-bipyridinium bromide leads to the formation o
f crosslinked via a transquaternization reaction. (C) 1999 Elsevier Science
Ltd. All rights reserved.