Works by Tykwinski, Rik R.

Results: 115

The Effects of Ring Strain on Cyclic Tetraaryl[5]cumulenes.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 38, p. 1, doi. 10.1002/chem.202200616

By:

Sun, Bozheng;
Oakley, Meagan S.;
Yoshida, Kota;
Yang, Yanwen;
Tommasini, Matteo;
Zanchi, Chiara;
Lucotti, Andrea;
Ferguson, Michael J.;
Hampel, Frank;
Klobukowski, Mariusz;
Tykwinski, Rik R.

Publication type:

Article

Hierarchical Synthesis, Structure, and Photophysical Properties of Gallium‐ and Ruthenium‐Porphyrins with Axially Bonded Azo Ligands.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 70, p. 16712, doi. 10.1002/chem.202002030

By:

Gao, Yueze;
Walter, Vroni;
Ferguson, Michael J.;
Tykwinski, Rik R.

Publication type:

Article

Region-Selective Deposition of Core-Shell Nanoparticles for 3 D Hierarchical Assemblies by the Huisgen 1,3-Dipolar Cycloaddition.

Published in:

Angewandte Chemie, 2015, v. 127, n. 32, p. 9367, doi. 10.1002/ange.201501957

By:

Etschel, Sebastian H.;
Portilla, Luis;
Kirschner, Johannes;
Drost, Martin;
Tu, Fan;
Marbach, Hubertus;
Tykwinski, Rik R.;
Halik, Marcus

Publication type:

Article

Innentitelbild: Cumulen-Rotaxane: Stabilisierung und Charakterisierung von [9]Cumulenen (Angew. Chem. 22/2015).

Published in:

Angewandte Chemie, 2015, v. 127, n. 22, p. 6472, doi. 10.1002/ange.201503956

By:

Franz, Michael;
Januszewski, Johanna A.;
Wendinger, Dominik;
Neiss, Christian;
Movsisyan, Levon D.;
Hampel, Frank;
Anderson, Harry L.;
Görling, Andreas;
Tykwinski, Rik R.

Publication type:

Article

Cumulen-Rotaxane: Stabilisierung und Charakterisierung von [9]Cumulenen.

Published in:

Angewandte Chemie, 2015, v. 127, n. 22, p. 6746, doi. 10.1002/ange.201501810

By:

Franz, Michael;
Januszewski, Johanna A.;
Wendinger, Dominik;
Neiss, Christian;
Movsisyan, Levon D.;
Hampel, Frank;
Anderson, Harry L.;
Görling, Andreas;
Tykwinski, Rik R.

Publication type:

Article

Unerwartete Bildung eines [4]Radialens und mehrerer Dendralene bei der Addition von Tetracyanoethylen an ein Tetraaryl[5]cumulen.

Published in:

Angewandte Chemie, 2014, v. 126, n. 14, p. 3818, doi. 10.1002/ange.201309355

By:

Januszewski, Johanna A.;
Hampel, Frank;
Neiss, Christian;
Görling, Andreas;
Tykwinski, Rik R.

Publication type:

Article

Optisch reine, monodisperse cis-Oligodiacetylene: Chiralitätsverstärkung durch Aggregation.

Published in:

Angewandte Chemie, 2014, v. 126, n. 1, p. 316, doi. 10.1002/ange.201307904

By:

Chernick, Erin T.;
Börzsönyi, Gabor;
Steiner, Christian;
Ammon, Maximilian;
Gessner, David;
Frühbeißer, Sabine;
Gröhn, Franziska;
Maier, Sabine;
Tykwinski, Rik R.

Publication type:

Article

Titelbild: Synthese und Struktur von Tetraarylcumulenen: Charakterisierung der Bindungslängenalternanz in Abhängigkeit der Moleküllänge (Angew. Chem. 6/2013).

Published in:

Angewandte Chemie, 2013, v. 125, n. 6, p. 1639, doi. 10.1002/ange.201210205

By:

Januszewski, Johanna A.;
Wendinger, Dominik;
Methfessel, Christian D.;
Hampel, Frank;
Tykwinski, Rik R.

Publication type:

Article

Synthese und Struktur von Tetraarylcumulenen: Charakterisierung der Bindungslängenalternanz in Abhängigkeit der Moleküllänge.

Published in:

Angewandte Chemie, 2013, v. 125, n. 6, p. 1862, doi. 10.1002/ange.201208058

By:

Januszewski, Johanna A.;
Wendinger, Dominik;
Methfessel, Christian D.;
Hampel, Frank;
Tykwinski, Rik R.

Publication type:

Article

Tetraethynylethene molecular scaffolding: Nonlinear optical, redox, and amphiphilic properties of donor functionalized polytriacetylene and expanded radialenes.

Published in:

Advanced Materials, 1997, v. 9, n. 4, p. 339, doi. 10.1002/adma.19970090412

By:

Schreiber, Martin;
Tykwinski, Rik R.;
Diederich, François;
Spreiter, Rolf;
Gubler, Ueli;
Bosshard, Christian;
Poberaj, Igor;
Günter, Peter;
Boudon, Corinne;
Gisselbrecht, Jean-Paul;
Gross, Maurice;
Jonas, Ulrich;
Ringsdorf, Helmut

Publication type:

Article

Carbon-rich nanostructures: the conversion of acetylenes into materials.

Published in:

Journal of Physical Organic Chemistry, 2013, v. 26, n. 9, p. 742, doi. 10.1002/poc.3160

By:

Chernick, Erin T.;
Tykwinski, Rik R.

Publication type:

Article

Preface.

Published in:

Journal of Physical Organic Chemistry, 2012, v. 25, n. 7, p. 530, doi. 10.1002/poc.2983

By:

Kaifer, Angel E.;
Tykwinski, Rik R.

Publication type:

Article

Incorporation of steroidal biomarkers into petroleum model compounds.

Published in:

Journal of Physical Organic Chemistry, 2012, v. 25, n. 7, p. 597, doi. 10.1002/poc.2931

By:

Scherer, Alexander;
Hampel, Frank;
Gray, Murray R.;
Stryker, Jeffrey M.;
Tykwinski, Rik R.

Publication type:

Article

Adamantyl-endcapped polyynes.

Published in:

Journal of Physical Organic Chemistry, 2012, v. 25, n. 1, p. 69, doi. 10.1002/poc.1874

By:

Chalifoux, Wesley A.;
Ferguson, Michael J.;
McDonald, Robert;
Melin, Frederic;
Echegoyen, Luis;
Tykwinski, Rik R.

Publication type:

Article

Diels-Alder Cycloaddition of Tetraphenylcyclopentadienone and 1,3,5-Hexatriynes.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 13, p. 2274, doi. 10.1002/ejoc.201600116

By:

Sale, Anna Chiara;
Murray, Adrian H.;
Prenzel, Dominik;
Hampel, Frank;
De Luca, Lidia;
Tykwinski, Rik R.

Publication type:

Article

tert-Butyl-End-Capped Polyynes: Crystallographic Evidence of Reduced Bond-Length Alternation.

Published in:

Angewandte Chemie International Edition, 2009, v. 48, n. 42, p. 7915, doi. 10.1002/anie.200902760

By:

Chalifoux, Wesley A.;
McDonald, Robert;
Ferguson, Michael J.;
Tykwinski, Rik R.

Publication type:

Article

Synthesis and Characterization of Expanded Radialenes, Bisradialenes, and Radiaannulenes.

Published in:

Angewandte Chemie International Edition, 2007, v. 46, n. 47, p. 9081, doi. 10.1002/anie.200703978

By:

Gholami, Mojtaba;
Melin, Frederic;
McDonald, Robert;
Ferguson, Michael J.;
Echegoyen, Luis;
Tykwinski, Rik R.

Publication type:

Article

Synthesis of Naturally Occurring Polyynes.

Published in:

Angewandte Chemie International Edition, 2006, v. 45, n. 7, p. 1034, doi. 10.1002/anie.200502071

By:

Annabelle L. K. Shi Shun;
Rik R. Tykwinski

Publication type:

Article

A Simple, One-Step Procedure for the Formation of Chiral MetallamacrocyclesFinancial support as provided by the University of Alberta, the Natural Sciences and Engineering Research Council of Canada (NSERC), and the National Science Foundation (NSF) is gratefully acknowledged. C.A.J. acknowledges the NSF for an IGERT fellowship. K.C. thanks NSERC for a graduate scholarship. We thank M. Miskolzie and G. Bigam for assistance with NMR analyses, A. Morales-Izquierdo for ESI-MS analyses, and Dr. W. Moffat for assistance with the CD spectroscopic analysis.

Published in:

Angewandte Chemie International Edition, 2004, v. 43, n. 44, p. 5967, doi. 10.1002/anie.200461139

By:

Katie Campbell;
Charles A. Johnson;
Robert McDonald;
Michael J. Ferguson;
Michael M. Haley;
Rik R. Tykwinski

Publication type:

Article

Frontispiece: Pentacene Dimers as a Critical Tool for the Investigation of Intramolecular Singlet Fission.

Published in:

Chemistry - A European Journal, 2018, v. 24, n. 33, p. 1, doi. 10.1002/chem.201883361

By:

Hetzer, Constantin;
Guldi, Dirk M.;
Tykwinski, Rik R.

Publication type:

Article

Pentacene Dimers as a Critical Tool for the Investigation of Intramolecular Singlet Fission.

Published in:

Chemistry - A European Journal, 2018, v. 24, n. 33, p. 8245, doi. 10.1002/chem.201705355

By:

Hetzer, Constantin;
Guldi, Dirk M.;
Tykwinski, Rik R.

Publication type:

Article

Acenequinocumulenes: Lateral and Vertical π-Extended Analogues of Tetracyanoquinodimethane (TCNQ).

Published in:

Chemistry - A European Journal, 2017, v. 23, n. 70, p. 17829, doi. 10.1002/chem.201704314

By:

Gruber, Marco;
Padberg, Kevin;
Min, Jie;
Waterloo, Andreas R.;
Hampel, Frank;
Maid, Harald;
Ameri, Tayebeh;
Brabec, Christoph J.;
Tykwinski, Rik R.

Publication type:

Article

Tautomerization and Dimerization of 6,13-Disubstituted Derivatives of Pentacene.

Published in:

Chemistry - A European Journal, 2017, v. 23, n. 25, p. 6111, doi. 10.1002/chem.201604099

By:

Garcia‐Borràs, Marc;
Konishi, Akihito;
Waterloo, Andreas;
Liang, Yong;
Cao, Yang;
Hetzer, Constantin;
Lehnherr, Dan;
Hampel, Frank;
Houk, Kendall N.;
Tykwinski, Rik R.

Publication type:

Article

Triethynylmethanol Derivatives: Stable Acetylenic Building Blocks for Surface Chemistry.

Published in:

Chemistry - A European Journal, 2017, v. 23, n. 8, p. 1846, doi. 10.1002/chem.201604404

By:

Prenzel, Dominik;
Sander, Tim;
Gebhardt, Julian;
Soni, Himadri;
Hampel, Frank;
Görling, Andreas;
Maier, Sabine;
Tykwinski, Rik R.

Publication type:

Article

Unexpected Michael Additions on the Way to 2.3,8.9-Dibenzanthanthrenes with Interesting Structural Properties.

Published in:

Chemistry - A European Journal, 2016, v. 22, n. 27, p. 9097, doi. 10.1002/chem.201601435

By:

Reus, Christian;
Lechner, Marc P.;
Schulze, Matthias;
Lungerich, Dominik;
Diner, Colin;
Gruber, Marco;
Stryker, Jeffrey M.;
Hampel, Frank;
Jux, Norbert;
Tykwinski, Rik R.

Publication type:

Article

Synthesis and Aggregation Behavior of Chiral Naphthoquinoline Petroporphyrin Asphaltene Model Compounds.

Published in:

Chemistry - A European Journal, 2016, v. 22, n. 10, p. 3378, doi. 10.1002/chem.201504683

By:

Schulze, Matthias;
Scherer, Alexander;
Hampel, Frank;
Stryker, Jeffrey M.;
Tykwinski, Rik R.

Publication type:

Article

Optimizing the Iodide/Iodonium/O2 Oxidation Cycle Enhances the Scope, Selectivity, and Yields of Hydroiodic Acid‐Catalyzed Multicomponent Cyclocondensation Reactions.

Published in:

Advanced Synthesis & Catalysis, 2021, v. 363, n. 20, p. 4720, doi. 10.1002/adsc.202100657

By:

Scott, David E.;
Aloisio, Mark D.;
Rodriguez, Jose F.;
Morimoto, Masato;
Hamilton, Robin J.;
Brown, Orain;
Tykwinski, Rik R.;
Stryker, Jeffrey M.

Publication type:

Article

Axial coordination of pyridyl-containing pentacenes to porphyrins.

Published in:

Journal of Coordination Chemistry, 2015, v. 68, n. 17/18, p. 3088, doi. 10.1080/00958972.2015.1057711

By:

Waterloo, Andreas R.;
Lippert, Rainer;
Jux, Norbert;
Tykwinski, Rik R.

Publication type:

Article

Acylation of Hexaphenylbenzene for the Synthesis of [5]Cumulenes.

Published in:

European Journal of Organic Chemistry, 2022, v. 2022, n. 17, p. 1, doi. 10.1002/ejoc.202101467

By:

Johnson, Matthew A.;
Martin, Max M.;
Cocq, Kévin;
Jux, Norbert;
Ferguson, Michael J.;
Tykwinski, Rik R.

Publication type:

Article

[3]Rotaxanes with Mixed Axles: Polyynes and Cumulenes.

Published in:

European Journal of Organic Chemistry, 2019, v. 2019, n. 21, p. 3503, doi. 10.1002/ejoc.201900188

By:

Franz, Michael;
Januszewski, Johanna A.;
Hampel, Frank;
Tykwinski, Rik R.

Publication type:

Article

Acenes With a Click.

Published in:

Macromolecular Chemistry & Physics, 2012, v. 213, n. 10/11, p. 1020, doi. 10.1002/macp.201100622

By:

Waterloo, Andreas R.;
Kunakom, Sylvia;
Hampel, Frank;
Tykwinski, Rik R.

Publication type:

Article

Synthesis and Derivatization of Expanded [ n]Radialenes ( n=3, 4).

Published in:

Chemistry - A European Journal, 2013, v. 19, n. 45, p. 15120, doi. 10.1002/chem.201302452

By:

Gholami, Mojtaba;
Ramsaywack, Sharwatie;
Chaur, Manuel N.;
Murray, Adrian H.;
McDonald, Robert;
Ferguson, Michael J.;
Echegoyen, Luis;
Tykwinski, Rik R.

Publication type:

Article

Pentacene-Based Polycyclic Aromatic Hydrocarbon Dyads with Cofacial Solid-State π-Stacking.

Published in:

Chemistry - A European Journal, 2009, v. 15, n. 46, p. 12580, doi. 10.1002/chem.200902179

By:

Lehnherr, Dan;
Murray, Adrian H.;
McDonald, Robert;
Ferguson, Michael J.;
Tykwinski, Rik R.

Publication type:

Article

Donor-Acceptor-Functionalized Tetraethynylethenes with Nitrothienyl Substituents: Structure-Property Relationships.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 7, p. 1484, doi. 10.1002/1522-2675(20000705)83:7<1484::AID-HLCA1484>3.0.CO;2-1

By:

Tykwinski, Rik R.;
Hilger, Anouk;
Diederich, François;
Lüthi, Hans Peter;
Seiler, Paul;
Gramlich, Volker;
Gisselbrecht, Jean-Paul;
Boudon, Corinne;
Gross, Maurice

Publication type:

Article

Porphyrin-[( E)-1,2-Diethynylethene] Scaffolding: Synthesis and Optical and Electrochemical Properties of Multinanometer-Sized Porphyrin Arrays.

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 11, p. 1964, doi. 10.1002/(SICI)1522-2675(19981111)81:11<1964::AID-HLCA1964>3.0.CO;2-I

By:

Wytko, Jennifer;
Berl, Volker;
McLaughlin, Mark;
Tykwinski, Rik R.;
Schreiber, Martin;
Diederich, François;
Boudon, Corinne;
Gisselbrecht, Jean-Paul;
Gross, Maurice

Publication type:

Article

Methanofullerene Molecular Scaffolding: Towards C60-substituted poly(triacetylenes) and expanded radialenes, preparation of a C60-C70 hybrid derivative, and a novel macrocyclization reaction.

Published in:

Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 293, doi. 10.1002/hlca.19970800126

By:

Nierengarten, Jean-Franjois;
Herrmann, Andreas;
Tykwinski, Rik R.;
Riittimann, Markus;
Diederich, Francois;
Boudon, Corinne;
Gisselbrecht, Jean-Paul;
Gross, Maurice

Publication type:

Article

Donor/Acceptor-Substituted Tetraethynylethenes: Systematic Assembly of Molecules for Use as Advanced Materials.

Published in:

Helvetica Chimica Acta, 1996, v. 79, n. 8, p. 2249, doi. 10.1002/hlca.19960790818

By:

Tykwinski, Rik R.;
Schreiber, Martin;
Carlón, Raquel Pérez;
Diederich, François;
Gramlich, Volker

Publication type:

Article

1,1,2,2-Tetraethynylethanes: Synthons for Tetraethynylethenes and Modules for Acetylenic Molecular Scaffolding.

Published in:

Helvetica Chimica Acta, 1996, v. 79, n. 3, p. 634, doi. 10.1002/hlca.19960790306

By:

Tykwinski, Rik R.;
Diederich, François;
Seiler, Paul;
Gramlich, Volker

Publication type:

Article

Aggregation of One‐Dimensional Wires: The Case of Long Oligoynes.

Published in:

Angewandte Chemie International Edition, 2024, v. 63, n. 38, p. 1, doi. 10.1002/anie.202404014

By:

Gordillo‐Gámez, Fernando;
Gao, Yueze;
Aragó, Juan;
Ortí, Enrique;
Aranda, Daniel;
Kertesz, Miklos;
Tykwinski, Rik R.;
Casado, Juan

Publication type:

Article

Back Cover: Intramolecular Triplet Diffusion Facilitates Triplet Dissociation in a Pentacene Hexamer (Angew. Chem. Int. Ed. 8/2024).

Published in:

Angewandte Chemie International Edition, 2024, v. 63, n. 8, p. 1, doi. 10.1002/anie.202401329

By:

Greißel, Phillip M.;
Thiel, Dominik;
Gotfredsen, Henrik;
Chen, Lan;
Krug, Marcel;
Papadopoulos, Ilias;
Miskolzie, Mark;
Torres, Tomás;
Clark, Timothy;
Brøndsted Nielsen, Mogens;
Tykwinski, Rik R.;
Guldi, Dirk M.

Publication type:

Article

Intramolecular Triplet Diffusion Facilitates Triplet Dissociation in a Pentacene Hexamer.

Published in:

Angewandte Chemie International Edition, 2024, v. 63, n. 8, p. 1, doi. 10.1002/anie.202315064

By:

Greißel, Phillip M.;
Thiel, Dominik;
Gotfredsen, Henrik;
Chen, Lan;
Krug, Marcel;
Papadopoulos, Ilias;
Miskolzie, Mark;
Torres, Tomás;
Clark, Timothy;
Brøndsted Nielsen, Mogens;
Tykwinski, Rik R.;
Guldi, Dirk M.

Publication type:

Article

Green Processing of Metal Oxide Core-Shell Nanoparticles as Low-Temperature Dielectrics in Organic Thin-Film Transistors.

Published in:

Advanced Materials, 2015, v. 27, n. 39, p. 5950, doi. 10.1002/adma.201502792

By:

Portilla, Luis;
Etschel, Sebastian H.;
Tykwinski, Rik R.;
Halik, Marcus

Publication type:

Article

Anthracene−Pentacene Dyads: Synthesis and OFET Characterization.

Published in:

ChemPlusChem, 2020, v. 85, n. 5, p. 921, doi. 10.1002/cplu.202000233

By:

Hauschild, Miriam;
Chen, Lan;
Etschel, Sebastian H.;
Ferguson, Michael J.;
Hampel, Frank;
Halik, Marcus;
Tykwinski, Rik R.

Publication type:

Article

Reductive Aromatization/Dearomatization and Elimination Reactions to Access Conjugated Polycyclic Hydrocarbons, Heteroacenes, and Cumulenes.

Published in:

ChemPlusChem, 2017, v. 82, n. 7, p. 967, doi. 10.1002/cplu.201700168

By:

Marshall, Jonathan L.;
Lehnherr, Dan;
Lindner, Benjamin D.;
Tykwinski, Rik R.

Publication type:

Article

Conjugated Oligomers and Polymers Based on Anthracene, Tetracene, Pentacene, Naphthodithiophene, and Anthradithiophene Building Blocks.

Published in:

Australian Journal of Chemistry, 2011, v. 64, n. 7, p. 17, doi. 10.1071/CH11169

By:

Lehnherr, Dan;
Tykwinski, Rik R.

Publication type:

Article

Allenylidene Complexes Based on Pentacenequinone.

Published in:

European Journal of Inorganic Chemistry, 2013, v. 2013, n. 29, p. 5181, doi. 10.1002/ejic.201300759

By:

Strinitz, Frank;
Waterloo, Andreas;
Tucher, Johannes;
Hübner, Eike;
Tykwinski, Rik R.;
Burzlaff, Nicolai

Publication type:

Article

Synthesis, Structure, and Nonlinear Optical Properties of Cross-Conjugated Perphenylated iso-Polydiacetylenes.

Published in:

Chemistry - A European Journal, 2005, v. 11, n. 1, p. 321, doi. 10.1002/chem.200400822

By:

Yuming Zhao;
Aaron D. Slepkov;
Clement Osei Akoto;
Robert McDonald;
Frank A. Hegmann;
Rik R. Tykwinski

Publication type:

Article

Alkyne Migration in Alkylidene Carbenoid Species: A New Method of Polyyne Synthesis.

Published in:

Chemistry - A European Journal, 2003, v. 9, n. 11, p. 2542, doi. 10.1002/chem.200204584

By:

Sara Eisler;
Navjot Chahal;
Robert McDonald;
Rik R. Tykwinski

Publication type:

Article

Cover Picture.

Published in:

Chemistry - A European Journal, 2001, v. 7, n. 15, p. 3177, doi. 10.1002/1521-3765(20010803)7:15<3177::AID-CHEM3177>3.0.CO;2-K

By:

Nielsen, Mogens Brøndsted;
Schreiber, Martin;
Baek, Yong Gu;
Seiler, Paul;
Lecomte, Steve;
Boudon, Corinne;
Tykwinski, Rik R.;
Gisselbrecht, Jean-Paul;
Gramlich, Volker;
Skinner, Philip J.;
Bosshard, Christian;
Günter, Peter;
Gross, Maurice;
Diederich, François

Publication type:

Article

Highly Functionalized Dimeric Tetraethynylethenes and Expanded Radialenes: Strong Evidence for Macrocyclic Cross-Conjugation.

Published in:

Chemistry - A European Journal, 2001, v. 7, n. 15, p. 3263, doi. 10.1002/1521-3765(20010803)7:15<3263::AID-CHEM3263>3.0.CO;2-3

By:

Nielsen, Mogens Brøndsted;
Schreiber, Martin;
Baek, Yong Gu;
Seiler, Paul;
Lecomte, Steve;
Boudon, Corinne;
Tykwinski, Rik R.;
Gisselbrecht, Jean-Paul;
Gramlich, Volker;
Skinner, Philip J.;
Bosshard, Christian;
Günter, Peter;
Gross, Maurice;
Diederich, François

Publication type:

Article