Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Martin Lampl"'
Autor:
Thomas Gelbrich, Martin Lampl, Gerhard Laus, Volker Kahlenberg, Hubert Huppertz, Herwig Schottenberger
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 4, Pp 552-556 (2020)
Two salts were prepared by methylation of the respective imidazoline-2-thione at the sulfur atom, using Meerwein's salt (trimethyloxonium tetrafluoridoborate) in CH2Cl2. 1,3-Dimethoxy-2-(methylsulfanyl)imidazolium tetrafluoridoborate (1), C6H11N2O2S+
Externí odkaz:
https://doaj.org/article/ed278818cad44fe68f11766d43d7ecab
Autor:
Martin Lampl, Gerhard Laus, Volker Kahlenberg, Klaus Wurst, Hubert Huppertz, Herwig Schottenberger
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 4, Pp 497-501 (2018)
Attempts at direct bromination of 1,3-dimethylimidazolium salts were futile. The title compounds, 2-bromo-1,3-dimethylimidazolium iodide chloroform 0.33-solvate, C5H8BrN2+·I−·0.33CHCl3, 2-bromo-1,3-dimethylimidazolium iodide dichloromethane hemis
Externí odkaz:
https://doaj.org/article/660d60c68f9f4de1b954ead2070e82d5
Publikováno v:
IUCrData, Vol 2, Iss 8, p x171207 (2017)
The title compound, C5H6N2S, was obtained by deprotonation of 1-vinylimidazole and subsequent reaction with elemental sulfur. In the crystal, the molecules are linked by N—H...S and C—H...S hydrogen bonds, and arranged in layers parallel to the a
Externí odkaz:
https://doaj.org/article/5b2e8f819f9b4fddbcc51dd68e9d8d1c
Autor:
Martin Lampl, Robert Salchner, Gerhard Laus, Doris E. Braun, Volker Kahlenberg, Klaus Wurst, Gerda Fuhrmann, Herwig Schottenberger, Hubert Huppertz
Publikováno v:
Crystals, Vol 4, Iss 4, Pp 439-449 (2014)
The crystal structures of three salts of anionic 5-aminotetrazole are described. The tetramethylammonium salt (P ) forms hydrogen-bonded ribbons of anions which accept weak C–H···N contacts from the cations. The cystamine salt (C2/c) shows wave-
Externí odkaz:
https://doaj.org/article/9151fe12f91e45f397c76f18665fdaad
Autor:
Gabriel Partl, Martin Lampl, Gerhard Laus, Klaus Wurst, Hubert Huppertz, Herwig Schottenberger
Publikováno v:
IUCrData, Vol 1, Iss 5, p x160824 (2016)
The title molecular salt, C6H11N2O2+·C2F6NO4S2−, was obtained by the methylation of 1-hydroxy-2-methylimidazole 3-oxide and subsequent ion metathesis. In the crystal, C—H...O=S hydrogen bonds and O...π interactions are observed.
Externí odkaz:
https://doaj.org/article/8bfb8466664e45d6ade9acb822e8840c
Autor:
Thomas Gelbrich, Hubert Huppertz, Gerhard Laus, Martin Lampl, Volker Kahlenberg, Herwig Schottenberger
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 4, Pp 552-556 (2020)
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 4, Pp 552-556 (2020)
In both structures, the alkyloxy and methylsulfanyl groups are rotated out of the plane of the respective heterocyclic ring.
Two salts were prepared by methylation of the respective imidazoline-2-thione at the sulfur atom, using Meerwein
Two salts were prepared by methylation of the respective imidazoline-2-thione at the sulfur atom, using Meerwein
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4390b1e47fe1aefb193d88dbca45ab30
http://europepmc.org/articles/PMC7133041
http://europepmc.org/articles/PMC7133041
Autor:
Ulrich J. Griesser, Michael Hummel, Doris E. Braun, Herwig Schottenberger, Volker Kahlenberg, Klaus Wurst, Martin Lampl
Publikováno v:
CrystEngComm. 22:6034-6046
Experimental and theoretical characterisation and studies of the stability of heterobicyclic thiazinium salts (bicyclic 2-mercaptoimidazolium chlorides and bromides) were performed to rationalise and understand the influence of the counterion (Cl−
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5a4b047e72fa8778b85893f364eb832
https://doi.org/10.1039/d0ce00774a
https://doi.org/10.1039/d0ce00774a
Autor:
Herwig Schottenberger, Inge Schlapp-Hackl, Holger Kopacka, Thomas Gelbrich, Volker Kahlenberg, Hubert Huppertz, Klaus Wurst, Hassan Amer, Thomas Müller, Markus Bacher, Gabriel Partl, Martin Lampl, Thomas Rosenau, Christoph Kreutz, Benjamin Naier
Publikováno v:
Journal of Fluorine Chemistry. 218:51-62
Quaternization of common N-functionalized imidazoles (vinyl-, allyl-, propargyl-) with pentafluorobenzyl bromide afforded the respective series of differently substituted imidazolium salts. Likewise, chemospecific S- and N-alkylation of the commercia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb9ed30be84e52e8e1583df6a76a775c
https://doi.org/10.1016/j.jfluchem.2018.11.019
https://doi.org/10.1016/j.jfluchem.2018.11.019
Autor:
Volker Kahlenberg, Martin Lampl, Klaus Wurst, Herwig Schottenberger, Hubert Huppertz, Gerhard Laus
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 4, Pp 497-501 (2018)
Acta Crystallographica Section E: Crystallographic Communications
Acta Crystallographica Section E: Crystallographic Communications
Short C—Br⋯I interactions and C—H⋯I hydrogen bonds are observed in the title compounds.
Attempts at direct bromination of 1,3-dimethylimidazolium salts were futile. The title compounds, 2-bromo-1,3-dimethylimidazolium iodide ch
Attempts at direct bromination of 1,3-dimethylimidazolium salts were futile. The title compounds, 2-bromo-1,3-dimethylimidazolium iodide ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::843ec48fd0a7b70d1006a5b51cd85d76
http://scripts.iucr.org/cgi-bin/paper?S2056989018003390
http://scripts.iucr.org/cgi-bin/paper?S2056989018003390
Autor:
Doris E. Braun, Herwig Schottenberger, Volker Kahlenberg, Ulrich J. Griesser, Martin Lampl, Klaus Wurst
Publikováno v:
CrystEngComm. 20:7826-7837
3-(3-Methylimidazolium-1-yl)propanoate (OOCEMIM), the related zwitterion of the parent ionic liquid [HOOCEMIM] [Cl], crystallises in two hydrated and one neat (AH) solid-state forms. All three forms can be produced directly in solution crystallisatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72eaa280cc27a9477b5d0f1e2838d0ba
https://doi.org/10.1039/c8ce01565a
https://doi.org/10.1039/c8ce01565a