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Artificial Arthropod Exoskeletons/Fungi Cell Walls Integrating Metal and Biocatalysts for Heterogeneous Synergistic Catalysis of Asymmetric Cascade Transformations
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).ORCID iD: 0000-0001-7286-1211
Stockholm University, Faculty of Science, Department of Organic Chemistry. Mid Sweden University, Sweden.ORCID iD: 0000-0001-8462-4176
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2023 (English)In: ChemCatChem, ISSN 1867-3880, E-ISSN 1867-3899, Vol. 15, no 15, article id e202300250Article in journal (Refereed) Published
Abstract [en]

A novel and sustainable tandem-catalysis system for asymmetric synthesis is disclosed, which is fabricated by bio-inspired self-assembly of artificial arthropod exoskeletons (AAEs) or artificial fungi cell walls (AFCWs) containing two different types of catalysts (enzyme and metal nanoparticles). The heterogeneous integrated enzyme/metal nanoparticle AAE/AFCW systems, which contain chitosan as the main structural component, co-catalyze dynamic kinetic resolution of primary amines via a tandem racemization/enantioselective amidation reaction process to give the corresponding amides in high yields and excellent ee. The heterogeneous AAE/AFCW systems display successful heterogeneous synergistic catalysis at the surfaces since they can catalyze multiple reaction cycles without metal leaching. The use of natural-based and biocompatible structural components makes the AAE/AFCW systems fully biodegradable and renewable, thus fulfilling important green chemistry requirements. 

Place, publisher, year, edition, pages
2023. Vol. 15, no 15, article id e202300250
Keywords [en]
asymmetric tandem catalysis, chiral amines, chitosan, dynamic kinetic resolution, heterogeneous hybrid catalyst
National Category
Chemical Process Engineering
Identifiers
URN: urn:nbn:se:su:diva-221309DOI: 10.1002/cctc.202300250ISI: 001022816700001Scopus ID: 2-s2.0-85164018579OAI: oai:DiVA.org:su-221309DiVA, id: diva2:1798623
Available from: 2023-09-19 Created: 2023-09-19 Last updated: 2023-09-21Bibliographically approved

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Tai, Cheuk-WaiBäckvall, Jan-E.

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