Works by Helten, Holger

Results: 40

Protonen-induzierte Umlagerung eines Oxaphosphirankomplexes.

Published in:

Angewandte Chemie, 2010, v. 122, n. 14, p. 2670, doi. 10.1002/ange.200906825

By:

Marinas Pérez, Janaina;
Helten, Holger;
Donnadieu, Bruno;
Reed, Christopher A.;
Streubel, Rainer

Publication type:

Article

Bor und Stickstoff statt Kohlenstoff.

Published in:

Nachrichten aus der Chemie, 2017, v. 65, n. 5, p. 535, doi. 10.1002/nadc.20174055288

By:

Helten, Holger;
Ayhan, Ozan;
Lorenz, Thomas

Publication type:

Article

A fully conjugated meso-boron-substituted porphyrinoid combining Lewis acidity with redox-switchable aromaticity.

Published in:

Nature Communications, 2025, v. 16, n. 1, p. 1, doi. 10.1038/s41467-025-56892-w

By:

Buckel, Manuel;
Klopf, Jonas;
Schneider, Johannes S.;
Lik, Artur;
Riensch, Nicolas A.;
Krummenacher, Ivo;
Braunschweig, Holger;
Engels, Bernd;
Helten, Holger

Publication type:

Article

Cover Feature: Poly(arylene iminoborane)s, Analogues of Poly(arylene vinylene) with a BN‐Doped Backbone: A Comprehensive Study (Chem. Eur. J. 69/2023).

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 69, p. 1, doi. 10.1002/chem.202303726

By:

Maier, Matthias;
Chorbacher, Johannes;
Hellinger, Anna;
Klopf, Jonas;
Günther, Julian;
Helten, Holger

Publication type:

Article

Poly(arylene iminoborane)s, Analogues of Poly(arylene vinylene) with a BN‐Doped Backbone: A Comprehensive Study.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 69, p. 1, doi. 10.1002/chem.202302767

By:

Maier, Matthias;
Chorbacher, Johannes;
Hellinger, Anna;
Klopf, Jonas;
Günther, Julian;
Helten, Holger

Publication type:

Article

Fusion of Aza‐ and Oxadiborepins with Furans in a Reversible Ring‐Opening Process Furnishes Versatile Building Blocks for Extended π‐Conjugated Materials.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 63, p. 1, doi. 10.1002/chem.202202455

By:

Bachmann, Jonas;
Helbig, Andreas;
Crumbach, Merian;
Krummenacher, Ivo;
Braunschweig, Holger;
Helten, Holger

Publication type:

Article

Modulation of the Naked‐Eye and Fluorescence Color of a Protonated Boron‐Doped Thiazolothiazole by Anion‐Dependent Hydrogen Bonding.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 49, p. 1, doi. 10.1002/chem.202201398

By:

Hagspiel, Stephan;
Fantuzzi, Felipe;
Arrowsmith, Merle;
Gärtner, Annalena;
Fest, Maximilian;
Weiser, Jonas;
Engels, Bernd;
Helten, Holger;
Braunschweig, Holger

Publication type:

Article

Controlled Synthesis of Oligomers Containing Main‐Chain B(sp<sup>2</sup>)‐B(sp<sup>2</sup>) Bonds.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 64, p. 16043, doi. 10.1002/chem.202103366

By:

Schorr, Fabian;
Schopper, Nils;
Riensch, Nicolas;
Fantuzzi, Felipe;
Neder, Marco;
Dewhurst, Rian D.;
Thiess, Torsten;
Brückner, Tobias;
Hammond, Kai;
Helten, Holger;
Finze, Maik;
Braunschweig, Holger

Publication type:

Article

Dithiophene‐Fused Oxadiborepins and Azadiborepins: A New Class of Highly Fluorescent Heteroaromatics.

Published in:

Angewandte Chemie, 2021, v. 133, n. 17, p. 9376, doi. 10.1002/ange.202100295

By:

Crumbach, Merian;
Bachmann, Jonas;
Fritze, Lars;
Helbig, Andreas;
Krummenacher, Ivo;
Braunschweig, Holger;
Helten, Holger

Publication type:

Article

Poly(Ferrocenylene Iminoborane) and the Merging of 1,1'‐Ferrocenylene with p‐Phenylene Iminoborane Building Blocks into Alternating Copolymers, Oligomers, and Macrocycles.

Published in:

Chemistry - A European Journal, 2025, v. 31, n. 18, p. 1, doi. 10.1002/chem.202404533

By:

Schneider, Johannes S.;
Zeh, Vivien;
Klopf, Jonas;
Schneider, Philipp M.;
Bachmann, Jonas;
Krummenacher, Ivo;
Braunschweig, Holger;
Helten, Holger

Publication type:

Article

Cover Feature: Poly(Ferrocenylene Iminoborane) and the Merging of 1,1'‐Ferrocenylene with p‐Phenylene Iminoborane Building Blocks into Alternating Copolymers, Oligomers, and Macrocycles (Chem. Eur. J. 18/2025).

Published in:

Chemistry - A European Journal, 2025, v. 31, n. 18, p. 1, doi. 10.1002/chem.202581804

By:

Schneider, Johannes S.;
Zeh, Vivien;
Klopf, Jonas;
Schneider, Philipp M.;
Bachmann, Jonas;
Krummenacher, Ivo;
Braunschweig, Holger;
Helten, Holger

Publication type:

Article

Paramagnetic Titanium(III) and Zirconium(III) Metallocene Complexes as Precatalysts for the Dehydrocoupling/Dehydrogenation of Amine-Boranes.

Published in:

Angewandte Chemie International Edition, 2013, v. 52, n. 1, p. 437, doi. 10.1002/anie.201207903

By:

Helten, Holger;
Dutta, Barnali;
Vance, James R.;
Sloan, Matthew E.;
Haddow, Mairi F.;
Sproules, Stephen;
Collison, David;
Whittell, George R.;
Lloyd‐Jones, Guy C.;
Manners, Ian

Publication type:

Article

Protonation-Induced Rearrangement of an Oxaphosphirane Complex.

Published in:

Angewandte Chemie International Edition, 2010, v. 49, n. 14, p. 2615, doi. 10.1002/anie.200906825

By:

Marinas Pérez, Janaina;
Helten, Holger;
Donnadieu, Bruno;
Reed, Christopher A.;
Streubel, Rainer

Publication type:

Article

ABA Type Amphiphiles with Poly(2‐benzhydryl‐2‐oxazine) Moieties: Synthesis, Characterization and Inverse Thermogelation.

Published in:

Macromolecular Chemistry & Physics, 2021, v. 222, n. 17, p. 1, doi. 10.1002/macp.202100114

By:

Hahn, Lukas;
Keßler, Larissa;
Polzin, Lando;
Fritze, Lars;
Forster, Stefan;
Helten, Holger;
Luxenhofer, Robert

Publication type:

Article

Dithiophene‐Fused Oxadiborepins and Azadiborepins: A New Class of Highly Fluorescent Heteroaromatics.

Published in:

Angewandte Chemie International Edition, 2021, v. 60, n. 17, p. 9290, doi. 10.1002/anie.202100295

By:

Crumbach, Merian;
Bachmann, Jonas;
Fritze, Lars;
Helbig, Andreas;
Krummenacher, Ivo;
Braunschweig, Holger;
Helten, Holger

Publication type:

Article

Titelbild: Regioregular Poly(p‐phenylene iminoborane): A Strictly Alternating BN‐Isostere of Poly(p‐phenylene vinylene) with Stimuli‐Responsive Behavior (Angew. Chem. 11/2025).

Published in:

Angewandte Chemie, 2025, v. 137, n. 11, p. 1, doi. 10.1002/ange.202502494

By:

Chorbacher, Johannes;
Klopf, Jonas;
Friedrich, Alexandra;
Fest, Maximilian;
Schneider, Johannes S.;
Engels, Bernd;
Helten, Holger

Publication type:

Article

Regioregular Poly(p‐phenylene iminoborane): A Strictly Alternating BN‐Isostere of Poly(p‐phenylene vinylene) with Stimuli‐Responsive Behavior.

Published in:

Angewandte Chemie, 2025, v. 137, n. 11, p. 1, doi. 10.1002/ange.202416088

By:

Chorbacher, Johannes;
Klopf, Jonas;
Friedrich, Alexandra;
Fest, Maximilian;
Schneider, Johannes S.;
Engels, Bernd;
Helten, Holger

Publication type:

Article

Poly(thiophene iminoborane): A Poly(thiophene vinylene) (PTV) Analogue with a Fully BN‐Doped Backbone.

Published in:

Macromolecular Rapid Communications, 2023, v. 44, n. 19, p. 1, doi. 10.1002/marc.202300278

By:

Chorbacher, Johannes;
Maier, Matthias;
Klopf, Jonas;
Fest, Maximilian;
Helten, Holger

Publication type:

Article

BN‐ and BO‐Doped Inorganic–Organic Hybrid Polymers with Sulfoximine Core Units.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 55, p. 12708, doi. 10.1002/chem.201903289

By:

Brosge, Felix;
Lorenz, Thomas;
Helten, Holger;
Bolm, Carsten

Publication type:

Article

From Monodisperse Thienyl‐ and Furylborane Oligomers to Polymers: Modulating the Optical Properties through the Hetarene Ratio.

Published in:

Chemistry - A European Journal, 2018, v. 24, n. 46, p. 11961, doi. 10.1002/chem.201706124

By:

Lik, Artur;
Jenthra, Sangeth;
Fritze, Lars;
Müller, Lars;
Truong, Khai‐Nghi;
Helten, Holger

Publication type:

Article

Cyclolinear Oligo‐ and Poly(iminoborane)s: The Missing Link in Inorganic Main‐Group Macromolecular Chemistry.

Published in:

Chemistry - A European Journal, 2018, v. 24, n. 22, p. 5883, doi. 10.1002/chem.201705913

By:

Ayhan, Ozan;
Riensch, Nicolas A.;
Glasmacher, Clemens;
Helten, Holger

Publication type:

Article

Rational Design of Aziridine-Containing Cysteine Protease Inhibitors with Improved Potency: Studies on Inhibition Mechanism.

Published in:

ChemMedChem, 2006, v. 1, n. 9, p. 1021, doi. 10.1002/cmdc.200600081

By:

Vicik, Radim;
Helten, Holger;
Schirmeister, Tanja;
Engels, Bernd

Publication type:

Article

B=N Units as Part of Extended π-Conjugated Oligomers and Polymers.

Published in:

Chemistry - A European Journal, 2016, v. 22, n. 37, p. 12972, doi. 10.1002/chem.201602665

By:

Helten, Holger

Publication type:

Article

'Spontaneous' Ambient Temperature Dehydrocoupling of Aromatic Amine-Boranes.

Published in:

Chemistry - A European Journal, 2012, v. 18, n. 15, p. 4665, doi. 10.1002/chem.201103241

By:

Helten, Holger;
Robertson, Alasdair P. M.;
Staubitz, Anne;
Vance, James R.;
Haddow, Mairi F.;
Manners, Ian

Publication type:

Article

Poly( p-phenyleniminoboran): ein Bor-Stickstoff-Analogon von Poly( p-phenylenvinylen).

Published in:

Angewandte Chemie, 2017, v. 129, n. 10, p. 2824, doi. 10.1002/ange.201612476

By:

Lorenz, Thomas;
Crumbach, Merian;
Eckert, Thomas;
Lik, Artur;
Helten, Holger

Publication type:

Article

Poly(iminoborane): Eine schwer fassbare Klasse von anorganischen Hauptgruppenpolymeren?

Published in:

Angewandte Chemie, 2016, v. 128, n. 42, p. 13515, doi. 10.1002/ange.201607131

By:

Ayhan, Ozan;
Eckert, Thomas;
Plamper, Felix A.;
Helten, Holger

Publication type:

Article

Dehydrokupplungs- und Silazanspaltungsrouten zu organisch-anorganischen Hybridpolymeren mit NBN-Einheiten in der Hauptkette.

Published in:

Angewandte Chemie, 2016, v. 128, n. 25, p. 7352, doi. 10.1002/ange.201602342

By:

Lorenz, Thomas;
Lik, Artur;
Plamper, Felix A.;
Helten, Holger

Publication type:

Article

Paramagnetic Titanium(III) and Zirconium(III) Metallocene Complexes as Precatalysts for the Dehydrocoupling/Dehydrogenation of Amine-Boranes.

Published in:

Angewandte Chemie, 2013, v. 125, n. 1, p. 455, doi. 10.1002/ange.201207903

By:

Helten, Holger;
Dutta, Barnali;
Vance, James R.;
Sloan, Matthew E.;
Haddow, Mairi F.;
Sproules, Stephen;
Collison, David;
Whittell, George R.;
Lloyd ‐ Jones, Guy C.;
Manners, Ian

Publication type:

Article

Doping the Backbone of π‐Conjugated Polymers with Tricoordinate Boron: Synthetic Strategies and Emerging Applications.

Published in:

Chemistry - An Asian Journal, 2019, v. 14, n. 7, p. 919, doi. 10.1002/asia.201900016

By:

Helten, Holger

Publication type:

Article

An Approach to 1,3,4-Dioxaphospholane Complexes through an Acid-Induced Ring Expansion of an Oxaphosphirane Complex: The Problem of Construction and Deconstruction of O,P-Heterocycles.

Published in:

Chemistry - An Asian Journal, 2011, v. 6, n. 6, p. 1539, doi. 10.1002/asia.201000861

By:

Pérez, Janaina Marinas;
Helten, Holger;
Schnakenburg, Gregor;
Streubel, Rainer

Publication type:

Article

Front Cover: 1,2,5‐Azadiborolane as a Building Block for Inorganic–Organic Hybrid Polymers (Eur. J. Inorg. Chem. 3/2024).

Published in:

European Journal of Inorganic Chemistry, 2024, v. 27, n. 3, p. 1, doi. 10.1002/ejic.202300725

By:

Maier, Matthias;
Zeh, Vivien;
Munker, Nadine;
Glock, Julian;
Oberdorf, Kai;
Ayhan, Ozan;
Lichtenberg, Crispin;
Helten, Holger

Publication type:

Article

1,2,5‐Azadiborolane as a Building Block for Inorganic–Organic Hybrid Polymers.

Published in:

European Journal of Inorganic Chemistry, 2024, v. 27, n. 3, p. 1, doi. 10.1002/ejic.202300490

By:

Maier, Matthias;
Zeh, Vivien;
Munker, Nadine;
Glock, Julian;
Oberdorf, Kai;
Ayhan, Ozan;
Lichtenberg, Crispin;
Helten, Holger

Publication type:

Article

In Honor of Prof. Dr. Dr. hc Rainer Streubel.

Published in:

European Journal of Inorganic Chemistry, 2023, v. 26, n. 24, p. 1, doi. 10.1002/ejic.202300425

By:

Helten, Holger;
Waterman, Rory

Publication type:

Article

Protonation of 2 H-Azaphosphirene Complexes: PN Bond Activation and Ring-Expansion Reactions.

Published in:

Chemistry - A European Journal, 2009, v. 15, n. 11, p. 2602, doi. 10.1002/chem.200802003

By:

Helten, Holger;
Engeser, Marianne;
Gudat, Dietrich;
Schilling, Reinhold;
Schnakenburg, Gregor;
Nieger, Martin;
Streubel, Rainer

Publication type:

Article

Poly( p-phenylene iminoborane): A Boron-Nitrogen Analogue of Poly( p-phenylene vinylene).

Published in:

Angewandte Chemie International Edition, 2017, v. 56, n. 10, p. 2780, doi. 10.1002/anie.201612476

By:

Lorenz, Thomas;
Crumbach, Merian;
Eckert, Thomas;
Lik, Artur;
Helten, Holger

Publication type:

Article

Poly(iminoborane)s: An Elusive Class of Main-Group Polymers?

Published in:

Angewandte Chemie International Edition, 2016, v. 55, n. 42, p. 13321, doi. 10.1002/anie.201607131

By:

Ayhan, Ozan;
Eckert, Thomas;
Plamper, Felix A.;
Helten, Holger

Publication type:

Article

Dehydrocoupling and Silazane Cleavage Routes to Organic-Inorganic Hybrid Polymers with NBN Units in the Main Chain.

Published in:

Angewandte Chemie International Edition, 2016, v. 55, n. 25, p. 7236, doi. 10.1002/anie.201602342

By:

Lorenz, Thomas;
Lik, Artur;
Plamper, Felix A.;
Helten, Holger

Publication type:

Article

Conjugated Bis(triarylboranes) with Disconnected Conjugation.

Published in:

Zeitschrift für Anorganische und Allgemeine Chemie, 2021, v. 647, n. 5, p. 421, doi. 10.1002/zaac.202000476

By:

Riensch, Nicolas Alexander;
Swoboda, Lukas;
Lik, Artur;
Krummenacher, Ivo;
Braunschweig, Holger;
Helten, Holger

Publication type:

Article

Cover Picture: Regioregular Poly(p‐phenylene iminoborane): A Strictly Alternating BN‐Isostere of Poly(p‐phenylene vinylene) with Stimuli‐Responsive Behavior (Angew. Chem. Int. Ed. 11/2025).

Published in:

Angewandte Chemie International Edition, 2025, v. 64, n. 11, p. 1, doi. 10.1002/anie.202502494

By:

Chorbacher, Johannes;
Klopf, Jonas;
Friedrich, Alexandra;
Fest, Maximilian;
Schneider, Johannes S.;
Engels, Bernd;
Helten, Holger

Publication type:

Article

Regioregular Poly(p‐phenylene iminoborane): A Strictly Alternating BN‐Isostere of Poly(p‐phenylene vinylene) with Stimuli‐Responsive Behavior.

Published in:

Angewandte Chemie International Edition, 2025, v. 64, n. 11, p. 1, doi. 10.1002/anie.202416088

By:

Chorbacher, Johannes;
Klopf, Jonas;
Friedrich, Alexandra;
Fest, Maximilian;
Schneider, Johannes S.;
Engels, Bernd;
Helten, Holger

Publication type:

Article