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  • 1 MESA+ Institute for Nanotechnology Laboratory of Molecular Nanofabrication University of Twente, P.O. Box 217 7500 AE Enschede The Netherlands
  • | 2 MESA+ Institute for Nanotechnology Laboratory of Physics of Interfaces and Nanomaterials University of Twente, P.O. Box 217 7500 AE Enschede The Netherlands
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Cinchona alkaloid and proline derivatives as enantioselective catalysts were covalently attached onto the inner walls of a microreactor using glycidyl methacrylate polymer brushes. The successful formation of the organocatalyst-functionalized brush layers on flat silicon oxide surfaces was confirmed by several techniques such as Fourier transform infrared (FT-IR), ellipsometry, and X-ray photoelectron spectroscopy (XPS). The applicability of the cinchona alkaloid (cinchonidine or quinidine)- and proline-containing polymer brushes in a microreactor was demonstrated for the Diels–Alder reaction between anthrone and N-substituted maleimides, and the aldol reaction between 4-nitrobenzaldehyde and cyclohexanone, respectively, which showed moderate conversions (up to 55% and 23%, respectively) and moderate to good enantioselectivities (up to 55% and 93%, respectively). The pristine catalytic activity of the microreactor was intact even after 1 month.

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  • Impact Factor (2019): 3.622
  • Scimago Journal Rank (2019): 0.795
  • SJR Hirsch-Index (2019): 20
  • SJR Quartile Score (2019): Q1 Chemistry (miscellenous)
  • SJR Quartile Score (2019): Q1 Fluid Flow and Transfer Processes
  • SJR Quartile Score (2019): Q2 Organic Chemistry
  • Impact Factor (2018): 2.277
  • Scimago Journal Rank (2018): 0.58
  • SJR Hirsch-Index (2018): 17
  • SJR Quartile Score (2018): Q1 Fluid Flow and Transfer Processes
  • SJR Quartile Score (2018): Q2 Organic Chemistry

Journal of Flow Chemistry
Language English
Size A4
Year of
Foundation
2011
Volumes
per Year
1
Issues
per Year
4
Founder Áramlásos Kémiai Tudományos Társaság
Founder's
Address
H-1031 Budapest, Hungary Záhony utca 7.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 2062-249X (Print)
ISSN 2063-0212 (Online)