Open Research Data from the Bunz Group at the Institute of Organic Chemistry of Heidelberg University.
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1 to 10 of 14 Results
May 8, 2023
Ahrens, Lukas; Rominger, Frank; Freudenberg, Jan; Bunz, Uwe H. F., 2023, "Etheno-bridged Azaacene Spiro Dimers [data]",, heiDATA, V1
We present the synthesis of two sets of spiro-connected azaacene dimers. Their geometry and electronic coupling are critically determined by a secondary linker, i.e. an etheno- and an ethano-bridge.The core fragment of the etheno-bridged dimer corresponds to a conformationally lo...
Apr 4, 2023
Hippchen, Nikolai; Heinzel, Elena; Zhang, Cathy K.; Jäger, Patrick; Elter, Maximilian; Ludwig, Philipp; Rominger, Frank; Freudenberg, Jan; Cao, Dennis D.; Bunz, Uwe H. F., 2023, "Second Generation of Cata-Annulated Azaacene Bisimides: Towards Electron Accepting Materials [research data]",, heiDATA, V1
Herein we provide the reserach data for the puplication: "Second Generation of Cata-Annulated Azaacene Bisimides: Towards Electron Accepting Materials". Where we present the second generation of cata-annulated azaacene bisimides with increased electron affinities compared to thei...
Feb 6, 2023
Zhu Wu; Nikolai Hippchen; Jie Han; Lei Ji; Alexandra Friedrich; Ivo Krummenacher; Holger Braunschweig; Johannes Krebs; Michael Moos; Philipp Biegger; Olena Tverskoy; Steffen Maier; Christoph Lambert; Andreas Dreuw; Todd B. Marder; Jan Freudenberg; Uwe H. F. Bunz, 2023, "The Radical Anion and Dianion of Benzo[3,4]cyclobuta[1,2-b]phenazine [NMR data]",, heiDATA, V1
The data set includes the NMR data for the puplication: "The Radical Anion and Dianion of Benzo[3,4]cyclobuta[1,2-b]phenazine". We present the reduction of two azaarenes, featuring a single cyclobutadiene unit, to their radical anions and dianions. The reduced species were prepar...
Feb 6, 2023
Maier, Steffen, 2023, "Substituted Cyclopentannulated Tetraazapentacenes [data]",, heiDATA, V1
Brominated pentannulated dihydrotetraazapentacenes were prepared by gold- or palladium-catalyzed 5-endo-dig cyclization of TIPS-ethynylated dihydrotetraazaacenes (TIPS = triisopropylsilyl). Post-functionalization was demonstrated by Sonogashira alkynylation and Rosenmund-von Brau...
Feb 6, 2023
Maier, Steffen, 2023, "Azaarenes: 13 Rings in a Row by Cyclopentannulation [data]",, heiDATA, V1
Cyclopentannulation was explored as a strategy to access large, stable azaarenes. Buchwald-Hartwig coupling of previously reported di- and tetrabrominated cyclopentannulated N,N'-dihydrotetraazapentacenes furnished stable azaarenes with up to 13 six-membered rings in a row and a...
Aug 12, 2022
Wiesner, Thomas, 2022, "N-Acenoacenes: Synthesis and Solid-State Properties [Data]",, heiDATA, V1
Four N-acenoacenes were synthesized and analyzed for their optoelectronic properties and solid-state packings. Two of the regioisomeric acridinoacridines are TIPS-ethynylated, whereas the other pair are Boc- and triflate substituted derivatives. The two TIPS- ethynyldiazaacenoace...
Aug 11, 2022
Wiesner, Thomas, 2022, "Neuartige Azaacene – Synthese und Anwendung in organischen Feldeffekttransistoren [Data]",, heiDATA, V1
Die vorliegende Dissertation befasst sich mit der Synthese und Charakterisierung neuartiger Azaacene und Aza-acenoacene aus Acridonen. Dabei steht der Einfluss der Regioisomerie auf die Kristallpackung und die potentielle Anwendung als Halbleitermaterial in organischen Feldeffekt...
Aug 3, 2022
Wiesner, Thomas; Wu, Zhu; Han, Jie; Ji, Lei; Friedrich, Alexandra; Krummenacher, Ivo; Moos, Michael; Lambert, Christoph; Braunschweig, Holger; Rudin, Benjamin; Reiss, Hilmar; Tverskoy, Olena; Rominger, Frank; Dreuw, Andreas; Marder, Todd; Freudenberg, Jan; Bunz, Uwe, 2022, "The Radical Anion, Dianion and Electron Transport Properties of Tetraiodo-Tetraazapentacene [Data]",, heiDATA, V1
Tetraiodotetraazapentacene I4TAP , the last missing derivative in the series of halogenated silylated tetraazapentacenes, was synthesized via condensation chemistry from a TIPS-ethynylated diaminobenzothiadiazol in three steps. Single and double reduction furnished its air-stable...
Jul 5, 2022
Bojanowski, N. Maximilian; Huck, Christian; Veith, Lisa; Strunk, Karl-Philipp; Bäuerle, Rainer; Melzer, Christian; Freudenberg, Jan; Wacker, Irene; Schröder, Rasmus R.; Tegeder, Petra; Bunz, Uwe H. F., 2022, "Electron-beam lithography of cinnamate polythiophene films: conductive nanorods for electronic applications [Data]",, heiDATA, V1
Research Data associated with the related publication. Synthesis and characterization of cinnamate substituted polythiophene (P3ZT). Cross linkage via UV and electron beam radiation; network formation in thin films controlled by infrared spectroscopy and film retention experiment...
Jun 30, 2022
Maier, Steffen, 2022, "A Stable Hexaazaoctacene Cruciform σ-Dimer [Data]",, heiDATA, V1
Buchwald‐Hartwig coupling of a triisopropylsilyl (TIPS)‐ethynylated dibromo‐N,N'‐dihydrotetraazapentacene with 1,4‐bis(TIPS‐ethynyl)‐2,3‐diaminonaphthalene furnishes a dihydrohexaazaoctacene. Its oxidation with MnO2 results in a 7,7'‐bi(hexaazaoctacenyl). In addition to eight TIP...
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