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Enzyme-catalyzed synthesis of malonate polyesters and their use as metal chelating materials

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JournalGreen Chemistry
DateSubmitted - 19 May 2021
DateAccepted/In press - 28 Jun 2021
DateE-pub ahead of print - 29 Jun 2021
DatePublished (current) - 29 Jun 2021
Volume14
Number of pages6
Early online date29/06/21
Original languageEnglish

Abstract

Following the environmental problems caused by non-degradable plastics there is a need to synthesise greener and more sustainable polymers. In this work we describe, for the first time, the facile enzyme-catalysed synthesis of linear polyesters using dimethyl malonate as the diester. These polymers, containing a different aliphatic diol component (C4, C6 or C8), were synthesised in solventless conditions using immobilized Candida antarctica lipase B as the biocatalyst. The potential of enzymes for catalysing this reaction is compared with the unsuccessful antimony- and titanium-catalysed synthesis (T>150 °C). The application of the synthesized polymers as effective metal chelators in biphasic, green solvent systems was also described, together with the characterisation of the synthesised materials.

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© The Royal Society of Chemistry 2021

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