Search Results - "Kornath, Andreas J."

Protonated Ethylene Carbonate: A Highly Resonance‐Stabilized Cation by Beck, Stefanie, Jessen, Christoph, Kornath, Andreas J.

“…Invited for this month's cover picture is the group of Prof. Andreas J. Kornath at the LMU in Munich (Germany). The cover picture shows the crystal structure…”
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Protonated Ethylene Carbonate: A Highly Resonance‐Stabilized Cation by Beck, Stefanie, Jessen, Christoph, Kornath, Andreas J.

“…Salts containing the monoprotonated ethylene carbonate species of were obtained by reacting it with the superacidic systems XF/MF5 (X=H, D; M=Sb, As). The…”
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Two Roomtemperature‐stable Trications – Triprotonated Triamino‐ and Tricyanobenzene by Nitzer, Alexander, Hübsch, Robert, Jessen, Christoph, Kornath, Andreas J.

“…Protonation of 1,3,5‐tricyano‐ and 1,3,5‐triaminobenzene was achieved in various superacidic media, resulting in the formation of the respective trinitrilium…”
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Synthesis and Structure of the Small Superelectrophile [C2(OH)2Me2]2 by Virmani, Alan, Jessen, Christoph, Kornath, Andreas J.

“…The acid‐activation of 1,2‐dicarbonyl compounds plays a key role in a variety of electrophilic reactions, some of which are only accessible in superacidic…”
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Synthesis and Structure of Protonated Sulfur Dioxide by Jessen, Christoph, Kornath, Andreas J.

“…Salts of protonated sulfur dioxide were synthesized by recrystallization of [FS(OX)2][SbF6] (X=H, D) in aprotic solvents at low temperatures. Hemiprotonated…”
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Structures and Properties of trans‐1,3,3,3‐Tetrafluoro‐ propene (HFO‐1234ze) and 2,3,3,3‐Tetrafluoropropene (HFO‐1234yf) Refrigerants by Schwabedissen, Jan, Glodde, Timo, Vishnevskiy, Yury V., Stammler, Hans‐Georg, Flierl, Lukas, Kornath, Andreas J., Mitzel, Norbert W.

“…The refrigerant trans‐1,3,3,3‐tetrafluoropropene (HFO‐1234ze) is used as a replacement for former cooling agents that have been phased‐out due to their global…”
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Syntheses and Structures of Protonated Acetylenedicarboxylic Acid by Jessen, Christoph, Kornath, Andreas J.

“…Acetylenedicarboxylic acid (C4H2O4) was protonated in the binary superacidic systems HF/MF5 (M=As, Sb). Depending on the stoichiometric ratio of Lewis acid and…”
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Synthesis and Stabilization of Highly Reactive Haloacetylium Ions by Steiner, Sebastian, Jessen, Christoph, Nitzer, Alexander, Bockmair, Valentin, Kornath, Andreas J.

“…The reactions of selected haloacetyl fluorides with the strong Lewis acids AsF5 and SbF5 were investigated in the aprotic solvent SO2ClF. Depending on the…”
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Ring Opening and Closure Reactions of β‐Propiolactone in the Superacids HF/MF5 (M=Sb, As) by Beck, Stefanie, Jessen, Christoph, Kornath, Andreas J.

“…Transformations of β‐propiolactone in the binary superacidic systems HF/MF5 (M=Sb, As) were investigated at different temperatures. Salts of monoprotonated…”
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Diaminomaleonitrile – Mono‐, Di‐ …and Tetraprotonation? by Nitzer, Alexander, Manhart, Pauline, Jessen, Christoph, Kornath, Andreas J.

“…The successful mono‐ and diprotonation of DAMN showed the first site of protonation to be an amino group, while the second protonation occurs at a nitrile…”
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Synthesis and Structural Investigation of Protonated Haloacetyl Fluorides by Steiner, Sebastian, Jessen, Christoph, Kornath, Andreas J.

“…Herein, we report the O‐monoprotonated species of chloroacetyl fluoride and fluoroacetyl fluoride in the binary superacidic systems HF/MF5 and DF/MF5 (M=As,…”
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Deoxyfluorination with superacids - synthesis and characterization of protonated α-fluorohydroxyacetic acid by Virmani, Alan, Jessen, Christoph, Nitzer, Alexander, Kornath, Andreas J

“…α-Fluoroalcohols describe a rare and unstable class of compounds, accessible mainly by fluorination of highly electrophilic carbonyl compounds. In this work,…”
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Synthesis and Structure of Protonated Propiolic Acid by Hollenwäger, Dirk, Thamm, Simon, Bockmair, Valentin, Nitzer, Alexander, Kornath, Andreas J.

“…Propiolic acid was investigated in the superacidic system XF/SbF5 (X = H, D). The salts of the monoprotonated species of propiolic acid were characterized by…”
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Reactions of Dichloroacetyl Fluoride in Superacidic Media by Steiner, Sebastian, Nitzer, Alexander, Jessen, Christoph, Kornath, Andreas J.

“…Dichloroacetyl fluoride was investigated in the superacids HF/MF5 and DF/MF5 (M=As, Sb). The O‐hemiprotonated species of dichloroacetyl fluoride is formed in…”
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Strengthening of the C−F Bond in Fumaryl Fluoride with Superacids by Bayer, Marie C., Kremser, Christoph, Jessen, Christoph, Nitzer, Alexander, Kornath, Andreas J.

“…The reaction of fumaryl fluoride with the superacidic solutions XF/MF5 (X=H, D; M=As, Sb) results in the formation of the monoprotonated and diprotonated…”
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Third Time is a Charm – Protonating Tricarboxybenzenes by Nitzer, Alexander, Regnat, Martin, Jessen, Christoph, Kornath, Andreas J.

“…Triprotonation of the three constitution isomers of tricarboxybenzene was accomplished. Furthermore, the preparation of selected mono‐ and dications showed the…”
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Space Molecules in Superacidic MediaThe Synthesis and Structure of Monoprotonated Cyanoacetylene and Diprotonated Dicyanoacetylene by Hollenwäger, Dirk, Kölbl, Niklas, Staudacher, Daniela, Bockmair, Valentin, Kornath, Andreas J.

“…The molecules cyanoacetylene and dicyanoacetylene detected in the atmosphere of Saturn’s largest moon Titan were investigated in superacidic media XF/MF5 (X =…”
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Na[GeF5]·2HF: the first quarternary phase in the H–Na–Ge–F system by Bockmair, Valentin, Hoch, Constantin, Schusterbauer, Irina, Kornath, Andreas J.

“…The structure of cis‐ or trans‐bridged [GeF5]− anionic chains have been investigated [Mallouk et al. (1984). Inorg. Chem.23, 3160–3166] showing the first…”
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The crystal structure of the ammonium salt of 2‐aminomalonic acid by Hollenwäger, Dirk, Nitzer, Alexander, Bockmair, Valentin, Kornath, Andreas J.

“…The salt ammonium 2‐aminomalonate (systematic name: ammonium 2‐azaniumylpropanedioate), NH4+·C3H4NO4−, was synthesized in diethyl ether from the starting…”
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Stabilizing the C−N Double Bond Character in Fumaramide with the Aid of Superacids by Bayer, Marie C., Greither, Nikolaus, Bockmair, Valentin, Nitzer, Alexander, Kornath, Andreas J.

“…Fumaramide was reacted with the superacidic systems XF/SbF5 and XF/BF3 (X=H, D) leading to the formation of the O‐diprotonated species. Using an equimolar…”
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