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Porous polymer networks cross-linked by novel copper Schiff base complex: From synthesis to catalytic activity
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SYSNO ASEP 0566811 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Porous polymer networks cross-linked by novel copper Schiff base complex: From synthesis to catalytic activity Author(s) Šorm, D. (CZ)
Bashta, B. (CZ)
Blahut, Jan (UOCHB-X)
Císařová, I. (CZ)
Dolejšová Sekerová, L. (CZ)
Vyskočilová, E. (CZ)
Sedláček, J. (CZ)Article number 111772 Source Title European Polymer Journal. - : Elsevier - ISSN 0014-3057
Roč. 184, February (2023)Number of pages 11 s. Language eng - English Country GB - United Kingdom Keywords porous polymer networks ; microporous polyacetylenes ; Schiff base ; copper ; heterogeneous catalysis OECD category Polymer science Method of publishing Limited access Institutional support UOCHB-X - RVO:61388963 UT WOS 000910447900001 EID SCOPUS 85144612342 DOI 10.1016/j.eurpolymj.2022.111772 Annotation A new ethynylated Schiff base complex, [Cu(SALANI)2], in which two N-salicylidene(3-ethynylaniline) (SALANI) ligands coordinated one Cu2+ ion, was prepared and characterized by single-crystal X-ray diffraction, FTIR and 1H NMR spectroscopy. The 1H NMR spectra were obtained and interpreted (with the help of DFT calculation) despite the paramagnetic character of the [Cu(SALANI)2] complex. Chain-growth copolymerization of [Cu(SALANI)2] with 4,4′-diethynylbiphenyl and 1,4-diethynylbenzene provided polyacetylene-type micro/mesoporous organometallic networks with [Cu(N-salicylideneaniline)2] segments as network knots. Networks of this type were also prepared by postpolymerization metalation of polyacetylene networks containing N-salicylideneaniline segments as pendant groups. Postpolymerization metalation (leading to further cross-linking) enabled to transform nonporous parent networks into organometallic networks with permanent porosity. The new porous organometallic networks showed a specific surface area from 400 to 700 m2/g and a Cu2+ content of about 6 wt%. The networks prepared by both prepolymerization and postpolymerization metalation were active as heterogeneous catalysts of oxidation of linalool to linalool oxide. Workplace Institute of Organic Chemistry and Biochemistry Contact asep@uochb.cas.cz ; Kateřina Šperková, Tel.: 232 002 584 ; Jana Procházková, Tel.: 220 183 418 Year of Publishing 2024 Electronic address https://doi.org/10.1016/j.eurpolymj.2022.111772
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