Publications by authors named "Alexandra Friedrich"

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Merging Pyrrole with Boron into Versatile Di(2-pyrryl)borane Building Blocks: π-Extension, Polymerization, and Coordination.
Daniel Göbel, Andreas Helbig, Alexandra Friedrich, Jonas Bachmann, Manuel Buckel

Angew Chem Int Ed Engl· January 2026

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Expanded Boraporphyrinoids: Boron Macrocycles with Redox Switchable Magnetic (Anti)aromaticity and Strong Near-Infrared Absorption.
Lukas Swoboda, Jonas Klopf, Maximilian Fest, Alexandra Friedrich, Manuel Buckel

J Am Chem Soc· January 2026

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Thienyl flanked bis(aminoborane)s as inorganic-organic hybrid AIEgens.
Johannes Chorbacher, Anna Hellinger, Jonas Klopf, Alexandra Friedrich, Holger Helten

Chem Commun (Camb)· October 2025

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Poly(p-phenylene phosphaborene): A Modified Poly(p-phenylene vinylene) with π-Conjugated B═P Linkages.
Julian Glock, Jonas Klopf, Merian Crumbach, Johannes Chorbacher, Johannes S Schneider, Alexandra Friedrich

Angew Chem Int Ed Engl· September 2025

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BNB-Modified Perylene, Terrylene, and Quaterrylene Diimides: Introduction of the π-Accepting and Aggregation-Suppressing Diborinic Imide Group in Rylene Dyes.
Michael Müller, Jonas Klopf, Alexandra Friedrich, Sarah Lutz, Manuel Buckel

J Am Chem Soc· August 2025

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Understanding Twisted Triarylboranes from Single Crystals to Heterojunction Blends and Their Applications in Organic Photovoltaics.
Jianhua Han, Han Xu, Anirudh Sharma, Jesika Asatryan, Florian Rauch, Alexandra Friedrich

J Am Chem Soc· August 2025

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Insights into topochemical stress-induced high-pressure reactivity of azobenzene by single crystal X-ray diffraction.
Milo Agati, Sebastiano Romi, Samuele Fanetti, Krzysztof Radacki, Michael Hanfland, Alexandra Friedrich

Chem Sci· May 2025

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Regioregular Poly(p-phenylene iminoborane): A Strictly Alternating BN-Isostere of Poly(p-phenylene vinylene) with Stimuli-Responsive Behavior.
Johannes Chorbacher, Jonas Klopf, Alexandra Friedrich, Maximilian Fest, Johannes S Schneider

Angew Chem Int Ed Engl· March 2025

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Impurities in Arylboronic Esters Induce Persistent Afterglow.
Zhu Wu, Christoph Herok, Alexandra Friedrich, Bernd Engels, Todd B Marder

J Am Chem Soc· November 2024

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Photoredox/Cu-Catalyzed Decarboxylative C(sp)-C(sp) Coupling to Access C(sp)-Rich gem-Diborylalkanes.
Mingming Huang, Huaxing Sun, Florian Seufert, Alexandra Friedrich, Todd B Marder

Angew Chem Int Ed Engl· August 2024

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Synthesis, Photophysical and Electronic Properties of a D-π-A Julolidine-Like Pyrenyl-o-Carborane.
Johannes Krebs, Lisa Brändler, Ivo Krummenacher, Alexandra Friedrich, Holger Braunschweig

Chemistry· July 2024

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Phosphine-Catalyzed 1,2-cis-Diboration of 1,3-Butadiynes.
Weipeng Li, Robert Ricker, Ka Lok Chan, Pak Fung Lau, Nicklas W Buchbinder, Alexandra Friedrich

Chemistry· June 2024

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Twisted [CO]-groups in Ba[CO] pyrocarbonate.
Dominik Spahr, Lkhamsuren Bayarjargal, Eiken Haussühl, Rita Luchitskaia, Alexandra Friedrich

Chem Commun (Camb)· October 2023

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Photocatalyzed Borylcyclopropanation of Alkenes with a (Diborylmethyl)iodide Reagent.
Jiefeng Hu, Man Tang, Jing Wang, Zhu Wu, Alexandra Friedrich

Angew Chem Int Ed Engl· September 2023

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Regioselective Iridium-Catalyzed C8-H Borylation of 4-Quinolones via Transient O-Borylated Quinolines.
Hamad H Al Mamari, Julie Borel, Aobha Hickey, Eimear Courtney, Julia Merz, Alexandra Friedrich

Chemistry· August 2023

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The Radical Anion and Dianion of Benzo[3,4]cyclobuta[1,2-]phenazine.
Zhu Wu, Nikolai Hippchen, Jie Han, Lei Ji, Alexandra Friedrich

J Org Chem· March 2023

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The Radical Anion, Dianion and Electron Transport Properties of Tetraiodotetraazapentacene.
Thomas Wiesner, Zhu Wu, Jie Han, Lei Ji, Alexandra Friedrich

Chemistry· December 2022

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Electrophilic C-H Borylation of Aza[5]helicenes Leading to Bowl-Shaped Quasi-[7]Circulenes with Switchable Dynamics.
Xiaolei Zhang, Florian Rauch, Jan Niedens, Ramon B da Silva, Alexandra Friedrich

J Am Chem Soc· December 2022

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Backbone-controlled LUMO energy induces intramolecular C-H activation in -bis-9-borafluorene-substituted phenyl and -carboranyl compounds leading to novel 9,10-diboraanthracene derivatives.
Johannes Krebs, Alena Häfner, Sonja Fuchs, Xueying Guo, Florian Rauch, Alexandra Friedrich

Chem Sci· December 2022

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Electron-Rich EDOT Linkers in Tetracationic bis-Triarylborane Chromophores: Influence on Water Stability, Biomacromolecule Sensing, and Photoinduced Cytotoxicity.
Matthias Ferger, Chantal Roger, Eva Köster, Florian Rauch, Sabine Lorenzen, Alexandra Friedrich

Chemistry· August 2022

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Iridium-Catalyzed Borylation of 6-Fluoroquinolines: Access to 6-Fluoroquinolones.
Aobha Hickey, Julia Merz, Hamad H Al Mamari, Alexandra Friedrich, Todd B Marder

J Org Chem· August 2022

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Mixed-ligand complexes of copper(ii) with thienoyltrifluoroacetonate and nitrogen containing ligands: synthesis, structures, antimicrobial activity, cytotoxicity, Hirshfeld surface analysis and DFT studies.
Helen Oluwatola Omoregie, Oluwakemi A Oloba-Whenu, Olawale J Olowu, Tolulope M Fasina, Alexandra Friedrich

RSC Adv· August 2022

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Methyl Viologens of Bis-(4'-Pyridylethynyl)Arenes - Structures, Photophysical and Electrochemical Studies, and their Potential Application in Biology.
Goutam Kumar Kole, Marta Košćak, Anissa Amar, Dragomira Majhen, Ksenija Božinović, Alexandra Friedrich

Chemistry· July 2022

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Copper-Catalyzed Borylation of Acyl Chlorides with an Alkoxy Diboron Reagent: A Facile Route to Acylboron Compounds.
Xiaolei Zhang, Alexandra Friedrich, Todd B Marder

Chemistry· July 2022

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Thermodynamic equilibrium between locally excited and charge-transfer states through thermally activated charge transfer in 1-(pyren-2'-yl)--carborane.
Lei Ji, Stefan Riese, Alexander Schmiedel, Marco Holzapfel, Maximillian Fest, Alexandra Friedrich

Chem Sci· May 2022

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