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Regio‐ and chemo‐selective polymerization of phenols catalyzed by oxidoreductase enzyme and its model complexes
Author(s) -
Kobayashi Shiro,
Uyama Hiroshi,
Tonami Hiroyuki,
Oguchi Takahisa,
Higashimura Hideyuki,
Ikeda Ryohei,
Kubota Masaaki
Publication year - 2001
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/1521-3900(200110)175:1<1::aid-masy1>3.0.co;2-w
Subject(s) - chemistry , polymerization , phenols , phenol , catalysis , organic chemistry , peroxidase , monomer , polymer chemistry , polymer , enzyme
Oxidative polymerizations of phenol derivatives have been performed using an oxidoreductase enzyme and its model complexes as catalyst to produce new functional polymers. Soluble polyphenols were synthesized using peroxidase catalyst in an aqueous methanol. Enzymatic polymerization of syringic acid involved elimination of carbon dioxide and hydrogen from the monomer to give poly(1,4‐oxyphenylene) (PPO). Tyrosinase‐model complexes catalyzed highly regioselective oxidative polymerization of a 2,6‐unsubstituted phenol, 4‐phenoxyphenol, to produce unsubstituted PPO showing crystallinity with a melting point. Chemoselective polymerization of phenols having an unsaturated group took place through peroxidase catalysis, yielding crosslinkable polyphenols.