Zobrazeno 1 - 10 of 86 pro vyhledávání: '"Ludwig Zapf"'
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Akademický článek
Hexafluoroisopropylboranes and -Borates
Autor: Ludwig Zapf, Maik Finze
Publikováno v: Inorganics, Vol 11, Iss 12, p 471 (2023)
Novel hexafluoroisopropylboranes (CF3)(CF2H)CFBH2·L and -borate anions [(CF3)(CF2H)CFBH2X]− with Lewis basic heterocyclic ligands L and the anionic substituents X = F− and CN− were obtained. The syntheses were accomplished by substitution reac
Externí odkaz: https://doaj.org/article/87b8b57e3eb84446b48f2fe78a634b99
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2
Cyano(fluoro)borate and cyano(hydrido)borate ionic liquids: low-viscosity ionic media for electrochemical applications
Autor: Jarno Riefer, Ludwig Zapf, Jan A. P. Sprenger, Raphael Wirthensohn, Sebastian Endres, Ann-Christin Pöppler, Marcus Gutmann, Lorenz Meinel, Nikolai V. Ignat'ev, Maik Finze
Publikováno v: Physical Chemistry Chemical Physics. 25:5037-5048
Low-viscosity room-temperature ionic liquids (RTILs) and [BnPh3P]+ salts with the cyano(fluoro)borate anions [BF(CN)3]− (MFB), [BF2(CN)2]− (DFB), and [BF3(CN)]− as well as the new mixed-substituted anion [BFH(CN)2]− (FHB) are described.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::229b7d4bbc5c89072e45816cbfc998c0
https://doi.org/10.1039/d2cp05725e
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3
An easy-to-perform evaluation of steric properties of Lewis acids
Autor: Ludwig Zapf, Melanie Riethmann, Steffen A. Föhrenbacher, Maik Finze, Udo Radius
Publikováno v: Chemical Science. 14:2275-2288
An easy-to-perform approach to assess and quantify steric properties of Lewis acids is reported. The novel LAB-Rep model (Lewis acid/base repulsion model) is introduced, which judges steric repulsion in Lewis acid/base pairs.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac398cec64c5cb7e89d158c6a73d59e0
https://doi.org/10.1039/d3sc00037k
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4
Insights into structure–property relationships in ionic liquids using cyclic perfluoroalkylsulfonylimides
Autor: Younes K. J. Bejaoui, Frederik Philippi, Hans-Georg Stammler, Krzysztof Radacki, Ludwig Zapf, Nils Schopper, Kateryna Goloviznina, Kristina A. M. Maibom, Roland Graf, Jan A. P. Sprenger, Rüdiger Bertermann, Holger Braunschweig, Tom Welton, Nikolai V. Ignat'ev, Maik Finze
Publikováno v: Chemical Science. 14:2200-2214
Room temperature ionic liquids of cyclic sulfonimide anions ncPFSI (ring size: n = 4-6) with the cations [EMIm]+ (1-ethyl-3-methylimidazolium), [BMIm]+ (1-butyl-3-methylimidazolium) and [BMPL]+ (BMPL = 1-butyl-1-methylpyrrolidinium) have been synthes
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::189e29f67270ed29c7713e821ebfc834
https://doi.org/10.1039/d2sc06758g
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10
Ethyl-, vinyl- and ethynylcyanoborates: room temperature borate ionic liquids with saturated and unsaturated hydrocarbon chains
Autor: Nils Schopper, Ludwig Zapf, Jan A. P. Sprenger, Nikolai V. Ignat’ev, Maik Finze
Publikováno v: Chemical Communications. 58:1223-1226
Ethyl-, vinyl- and ethynyltricyano and dicyanofluoroborates were prepared on a gram scale from commercially available potassium trifluoroborates and trimethylsilylcyanide. Salt metathesis resulted in the corresponding EMIm-salts that are hydrophobic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e66963f71db282ad61d330dc37123da
https://doi.org/10.1039/d1cc06393f
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