Enzyme-Catalyzed Preparation of Aliphatic Polyesters Containing Thioester Linkages

Aliphatic polyesters containing thioester linkages were enzymatically prepared by both the copolymerization of lactone with mercaptoalkanoic acid and by the transesterification of polyesters with mercaptoalkanoic acids. The enzymatic copolymerization of ε‐caprolactone with 11‐mercaptoundecanoic acid...

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Bibliographic Details
Published in:Macromolecular rapid communications. 2003-05, Vol.24 (7), p.467-471
Main Authors: Iwata, Shin, Toshima, Kazunobu, Matsumura, Shuichi
Format: Article
Language:English
Subjects:
Applied sciences
copolymerization
enzymes
Exact sciences and technology
lipase-catalyzed polymerization
Organic polymers
Physicochemistry of polymers
Polycondensation
polyesters
polythioesters
Preparation, kinetics, thermodynamics, mechanism and catalysts
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Summary:Aliphatic polyesters containing thioester linkages were enzymatically prepared by both the copolymerization of lactone with mercaptoalkanoic acid and by the transesterification of polyesters with mercaptoalkanoic acids. The enzymatic copolymerization of ε‐caprolactone with 11‐mercaptoundecanoic acid (11MU) and 3‐mercaptopropionic acid (3MP) was performed under reduced pressure using an immobilized lipase from Candida antarctica (CA). The transesterification of poly(ε‐caprolactone) and poly[(R)‐3‐hydroxybutyrate] was carried out with 11MU and 3MP using lipase CA under reduced pressure.
ISSN:1022-1336
1521-3927
DOI:10.1002/marc.200390070