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  Substrate dependent synergetic and antagonistic interaction of ammonium halide and polyoxometalate catalysts in the synthesis of cyclic carbonates from oleochemical epoxides and CO2

Langanke, J., Greiner, L., & Leitner, W. (2013). Substrate dependent synergetic and antagonistic interaction of ammonium halide and polyoxometalate catalysts in the synthesis of cyclic carbonates from oleochemical epoxides and CO2. Green Chemistry, 15(10), 1173-1182. doi:10.1039/C3GC36710J.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-C9EB-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-C9EC-B
Genre: Journal Article

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c3gc36710j-1.pdf (Supplementary material), 370KB
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Supporting Information
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application/pdf / [MD5]
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Copyright Date:
2013
Copyright Info:
The Royal Society of Chemistry
License:
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 Creators:
Langanke, Jens1, Author
Greiner, Lasse1, 2, Author
Leitner, Walter1, 3, Author              
Affiliations:
1Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany, escidoc:persistent22              
2DECHEMA Karl-Winnacker-Institut, Theodor-Heuss-Allee 25, 60486 Frankfurt am Main, Germany, escidoc:persistent22              
3Service Department Leitner (Technical Labs), Max-Planck-Institut für Kohlenforschung, Max Planck Society, escidoc:1445626              

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 Abstract: Organic halides and polyoxometalates (POMs) were studied as catalyst systems for the insertion of carbon dioxide into epoxides originating from plant oils as biogenic feedstock. In the formation of methyl oleate carbonate, synergistic rate acceleration and increased cis-selectivity were observed using ammonium halide and transition metal substituted silicotungstate POMs catalysts in a combined system. Mechanistic insight into the cooperative action was gained by kinetic measurements and analysis of the stereochemical outcome of the reaction. For poly-epoxidised oleochemicals as substrates, the simple ammonium halide catalyst gave better performance as side reactions were encountered with the POM-containing system.

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Language(s): eng - English
 Dates: 2012-10-292013-02-112013-04-042013-05-01
 Publication Status: Published in print
 Pages: 10
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1039/C3GC36710J
 Degree: -

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Title: Green Chemistry
  Other : Green Chem.
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: 5 Volume / Issue: 15 (10) Sequence Number: - Start / End Page: 1173 - 1182 Identifier: ISSN: 1463-9262
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/954925625301