Works matching DE "CUMULENES"

Results: 72

Synthesis and Characterization of Hexafluorocyclopentane‐Bridged Bisbutatrienes as Models for Longer Cumulenes: Various Transformations for the Construction of π‐Conjugated Frameworks.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 40, p. 1, doi. 10.1002/chem.202301255

By:

Konishi, Akihito;
Imai, Shizuka;
Satake, Shoya;
Chiba, Kouji;
Yasuda, Makoto

Publication type:

Article

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

Distinct Helical Molecular Orbitals through Conformational Lock**.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 72, p. 17342, doi. 10.1002/chem.202002561

By:

Ozcelik, Ani;
Aranda, Daniel;
Gil‐Guerrero, Sara;
Pola‐Otero, Xaquín A.;
Talavera, Maria;
Wang, Liangxuan;
Behera, Santosh Kumar;
Gierschner, Johannes;
Peña‐Gallego, Ángeles;
Santoro, Fabrizio;
Pereira‐Cameselle, Raquel;
Alonso‐Gómez, J. Lorenzo

Publication type:

Article

Further Evidence for 'Extended' Cumulene Complexes: Derivatives from Reactions with Halide Anions and Water.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 32, p. 7226, doi. 10.1002/chem.201905399

By:

Hall, Michael R.;
Steen, Rachel R.;
Korb, Marcus;
Sobolev, Alexandre N.;
Moggach, Stephen A.;
Lynam, Jason M.;
Low, Paul J.

Publication type:

Article

How to Bend a Cumulene.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 20, p. 4633, doi. 10.1002/chem.202000025

By:

Barquera‐Lozada, José Enrique

Publication type:

Article

Synthese von Cyano-substituierten Diaryltetracenen ausgehend von Tetraaryl[3]cumulenen.

Published in:

Angewandte Chemie, 2014, v. 126, n. 17, p. 4430, doi. 10.1002/ange.201402299

By:

Gawel, Przemyslaw;
Dengiz, Cagatay;
Finke, Aaron D.;
Trapp, Nils;
Boudon, Corinne;
Gisselbrecht, Jean ‐ Paul;
Diederich, François

Publication type:

Article

C4 Cumulene and the Corresponding Air-Stable Radical Cation and Dication.

Published in:

Angewandte Chemie, 2014, v. 126, n. 16, p. 4252, doi. 10.1002/ange.201310975

By:

Li, Yan;
Mondal, Kartik Chandra;
Samuel, Prinson P.;
Zhu, Hongping;
Orben, Claudia M.;
Panneerselvam, Saravanan;
Dittrich, Birger;
Schwederski, Brigitte;
Kaim, Wolfgang;
Mondal, Totan;
Koley, Debasis;
Roesky, Herbert W.

Publication type:

Article

Ambivalent Reactivity Modes of β-Chlorovinyl Ketones: Electrophilic Lithium [3]Cumulenolates from Soft Vinyl Enolization Strategy.

Published in:

Angewandte Chemie, 2013, v. 125, n. 31, p. 8184, doi. 10.1002/ange.201302750

By:

Kim, Hun Young;
Rooney, Edward Oscar;
Meury, Raymond Phillip;
Oh, Kyungsoo

Publication type:

Article

DFT study and NBO analysis of the mutual interconversion of cumulene compounds.

Published in:

Journal of Physical Organic Chemistry, 2007, v. 20, n. 5, p. 355, doi. 10.1002/poc.1154

By:

Nori-Shargh, Davood;
Deyhimi, Farzad;
Boggs, James E.;
Jameh-Bozorghi, Saeed;
Shakibazadeh, Romina

Publication type:

Article

Reactivity and Structural Diversity in the Reaction of Guanidine 1,5,7-Triazabicyclo[4.4.0]dec-5-ene with CO2, CS2, and Other Heterocumulenes.

Published in:

European Journal of Organic Chemistry, 2017, v. 2017, n. 3, p. 676, doi. 10.1002/ejoc.201601267

By:

von Wolff, Niklas;
Villiers, Claude;
Thuéry, Pierre;
Lefèvre, Guillaume;
Ephritikhine, Michel;
Cantat, Thibault

Publication type:

Article

Synthesis of Dicyano-Substituted Benzo[c]fluorenes from Tetraaryl[3]cumulenes.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 17, p. 2919, doi. 10.1002/ejoc.201600470

By:

Gawel, Przemyslaw;
Halabi, Elias A.;
Schweinfurth, David;
Trapp, Nils;
Ruhlmann, Laurent;
Boudon, Corinne;
Diederich, François

Publication type:

Article

One-Pot Silyl Ketene Acetal-Formation Mukaiyama-Mannich Additions to Imines Mediated by Trimethylsilyl Trifluoromethanesulfonate.

Published in:

European Journal of Organic Chemistry, 2015, v. 2015, n. 33, p. 7287, doi. 10.1002/ejoc.201500958

By:

Wade Downey, C.;
Ingersoll, Jared A.;
Glist, Hadleigh M.;
Dombrowski, Carolyn M.;
Barnett, Adam T.

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

Binuclear organometallic compounds containing planar tetra co-ordinated carbon atoms: theoretical study on geometrical and bonding patterns.

Published in:

Molecular Physics, 2005, v. 103, n. 6-8, p. 897, doi. 10.1080/00268970412331333465

By:

Jemmis, E. D.;
Parameswaran, P.;
Phukan, A. K.

Publication type:

Article

Cover Picture: Synthesis, Characterization and Electrochemical Properties of 4,5-Diazafluoren-9-yl or Fluoren-9-yl Terminated Homobimetallic Ruthenium and Osmium Allenylidene, Alkynyl-Allenylidene Complexes (Chin. J. Chem. 4/2017).

Published in:

Chinese Journal of Chemistry, 2017, v. 35, n. 4, p. 377, doi. 10.1002/cjoc.201770041

By:

Huang, Jinbo;
Zhou, Xiaoxi;
Zhao, Qianyi;
Li, Shunhua;
Xia, Haiping

Publication type:

Article

The disordered structure of tetraferrocenyl-[3]-cumulene, (Fc)2C=C=C+C(Fc)2, by simulated annealing using synchrotron powder diffraction data.

Published in:

Journal of Applied Crystallography, 2000, v. 33, n. 5, p. 1199, doi. 10.1107/S0021889800007470

By:

Dinnebier, Robert E.;
Schweiger, Manual;
Bildstein, Benno;
Shankland, Kenneth;
David, William I.F.;
Jobst, Andreas;
van Smaalen, Sander

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

Facile Construction of Benzofulvene Scaffold from Tetraaryl[3]cumulene Through Electrophilic Iodocyclization.

Published in:

European Journal of Organic Chemistry, 2021, v. 2021, n. 2, p. 235, doi. 10.1002/ejoc.202001200

By:

Yagishita, Fumitoshi;
Hoshi, Keita;
Yoshida, Yasushi;
Ueta, Shoko;
Minagawa, Keiji;
Imada, Yasushi;
Kawamura, Yasuhiko

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

Push-Pull Buta-1,2,3-trienes: Exceptionally Low Rotational Barriers of Cumulenic CC Bonds and Proacetylenic Reactivity.

Published in:

Chemistry - A European Journal, 2015, v. 21, n. 16, p. 6215, doi. 10.1002/chem.201406583

By:

Gawel, Przemyslaw;
Wu, Yi ‐ Lin;
Finke, Aaron D.;
Trapp, Nils;
Zalibera, Michal;
Boudon, Corinne;
Gisselbrecht, Jean ‐ Paul;
Schweizer, W. Bernd;
Gescheidt, Georg;
Diederich, François

Publication type:

Article

DFT study of the geometrical and electronic structure of substituted cumulenes in netral and cationic forms.

Published in:

Journal of Structural Chemistry, 2006, v. 47, n. 3, p. 420, doi. 10.1007/s10947-006-0317-5

By:

Podkopaeva, O. Yu.;
Chizhov, Yu. V.

Publication type:

Article

Torsional Disorder in Tetraphenyl [3]-Cumulenes: Insight into Excited State Quenching.

Published in:

Photochem, 2024, v. 4, n. 1, p. 138, doi. 10.3390/photochem4010008

By:

Bain, David;
Chang, Julia;
Lai, Yihuan;
Khazanov, Thomas;
Milner, Phillip J.;
Musser, Andrew J.

Publication type:

Article

Energetics of C 8 B 8 N 8 , N 12 B 12 , and C 24 Macrocycles and Two [4]Catenanes.

Published in:

Foundations (2673-9321), 2022, v. 2, n. 3, p. 781, doi. 10.3390/foundations2030053

By:

Jäntschi, Lorentz

Publication type:

Article

DFT study of sulfur derivatives of cumulenes and their protonated forms of interstellar interest and calculations of dissociation energies of protonated forms (SC(CH)CS) (n = 3-8).

Published in:

Journal of Molecular Modeling, 2014, v. 20, n. 7, p. 1, doi. 10.1007/s00894-014-2295-4

By:

Benmensour, Mohamed;
Djennane-Bousmaha, Sema;
Boucekkine, Abdou

Publication type:

Article

Unexpected mechanism for formal [2 + 2] cycloadditions of metallacyclocumulenes.

Published in:

Current Science (00113891), 2014, v. 106, n. 9, p. 1249

By:

Roy, Subhendu;
Jemmis, Eluvathingal D.

Publication type:

Article

A DFT study of pyramidalized alkenes: 7-oxasesquinorbornenes and 7,7′-dioxasesquinorbornenes.

Published in:

Theoretical Chemistry Accounts: Theory, Computation, & Modeling, 2003, v. 109, n. 4, p. 182, doi. 10.1007/s00214-002-0423-1

By:

Margetić, Davor;
Warrener, Ronlad N.;
Eckert-Maksić, Mirjana;
Antol, Ivana;
Glasovac, Zoran

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

(Di-tert-butylphosphanylethyl)cyclopentadienylnickel Chelates with Alkyl, Alkenyl, Aryl, and Alkynyl Ligands: Hints to Cumulenylidene Resonance Forms.

Published in:

European Journal of Inorganic Chemistry, 2018, v. 2018, n. 1, p. 31, doi. 10.1002/ejic.201701172

By:

Kohser, Stefanie;
Butenschön, Holger

Publication type:

Article

The Role of Bulkiness in Haptotropic Shifts of Metal-Cumulene Complexes.

Published in:

European Journal of Inorganic Chemistry, 2016, v. 2016, n. 26, p. 4226, doi. 10.1002/ejic.201600635

By:

Huidobro‐Meezs, Isaac L.;
Segovia‐Poncelis, Midori;
Barquera‐Lozada, José Enrique

Publication type:

Article

Reaction Behavior of Cumulene in Diels--Alder and Friedel--Crafts Reactions.

Published in:

Chemistry Letters, 2006, v. 35, n. 5, p. 21, doi. 10.1246/cl.2006.512

By:

Asakawa, Tomohiro;
Iinuma, Mie;
Furuta, Takumi;
Fujii, Satoshi;
Kan, Toshiyuki;
Tanaka, Kiyoshi

Publication type:

Article

Isolation and Structure Elucidation of the Heterocumulene Anions [NCC‐L]− (L=CO, CS, N2).

Published in:

Angewandte Chemie, 2025, v. 137, n. 13, p. 1, doi. 10.1002/ange.202422496

By:

Le Dé, Quentin;
Zhang, Yihao;
Zhao, Lili;
Krischer, Felix;
Feichtner, Kai‐Stephan;
Frenking, Gernot;
Gessner, Viktoria H.

Publication type:

Article

Enhancing the Cumulene Character of One‐Dimensional Acetylene‐Based Systems by Stimuli‐Induced Planarization of Their Two Pro‐diradicaloid Cyclopenta[h,i]aceanthrylene Units.

Published in:

Angewandte Chemie, 2025, v. 137, n. 7, p. 1, doi. 10.1002/ange.202419832

By:

Fernández, Álvaro Corrochano;
Rivero, Samara Medina;
Chaurasia, Sumit;
Torres, Tomás;
Casado, Juan;
Bottari, Giovanni

Publication type:

Article

Titelbild: Spaltung von Carbodicarbenen mit N2O zu stabilen Diazoalkenen: Zweifacher Ligandenaustausch an einem C(0)‐Atom (Angew. Chem. 3/2025).

Published in:

Angewandte Chemie, 2025, v. 137, n. 3, p. 1, doi. 10.1002/ange.202415228

By:

He, Yijie;
Lyu, Yichong;
Tymann, David;
Antoni, Patrick W.;
Hansmann, Max M.

Publication type:

Article

Carbyne: The Molecular Approach.

Published in:

Chemical Record, 2015, v. 15, n. 6, p. 1060, doi. 10.1002/tcr.201500018

By:

Tykwinski, Rik R.

Publication type:

Article

Reaction of 3-methyl-1,2-butadienylphosphonate with (2-Mercaptoethyl)amine.

Published in:

2011

By:

Khusainova, N. G.;
Berdnikov, E. A.;
Cherkasov, R. A.

Publication type:

Letter

Structural features of the phosphorus heterocumulene ylides ( sp-ylides).

Published in:

Russian Journal of General Chemistry, 2007, v. 77, n. 3, p. 421, doi. 10.1134/S1070363207030152

By:

Romanenko, E.

Publication type:

Article

Chemistry of Phosphorus Ylides. Part 40. Synthesis of Pyrazoles by the.

Published in:

Journal of Heterocyclic Chemistry, 2015, v. 52, n. 3, p. 834, doi. 10.1002/jhet.2131

By:

Maigali, Soher S.;
Abd ‐ El ‐ Maksoud, Mansoura A.;
Soliman, Fouad M.;
Moharam, Mysa E.

Publication type:

Article

Chemistry of Phosphonium Ylides. Part 39: Facile Synthesis of Aziridine, Pyridine, Pyrolotriazole Chromenones and Azaphosphinin Chromenones as.

Published in:

Journal of Heterocyclic Chemistry, 2014, v. 51, n. 6, p. 1830, doi. 10.1002/jhet.2205

By:

Abd ‐ El ‐ Maksoud, Mansoura A.;
Maigali, Soher S.;
Soliman, Fouad M.

Publication type:

Article

Unusual Length Dependence of the Conductance in Cumulene Molecular Wires.

Published in:

Angewandte Chemie, 2019, v. 131, n. 25, p. 8466, doi. 10.1002/ange.201901228

By:

Xu, Wenjun;
Leary, Edmund;
Hou, Songjun;
Sangtarash, Sara;
González, M. Teresa;
Rubio‐Bollinger, Gabino;
Wu, Qingqing;
Sadeghi, Hatef;
Tejerina, Lara;
Christensen, Kirsten E.;
Agraït, Nicolás;
Higgins, Simon J.;
Lambert, Colin J.;
Nichols, Richard J.;
Anderson, Harry L.

Publication type:

Article

Structural and Electronic Effects of Stepwise Reduction of a Tetraaryl[3]Cumulene.

Published in:

Angewandte Chemie, 2019, v. 131, n. 7, p. 2045, doi. 10.1002/ange.201812283

By:

Spisak, Sarah N.;
Bühringer, Martina U.;
Wei, Zheng;
Zhou, Zheng;
Tykwinski, Rik R.;
Petrukhina, Marina A.

Publication type:

Article

Mono‐ and Bis(imidazolidinium ethynyl) Cations and Reduction of the Latter To Give an Extended Bis‐1,4‐([3]Cumulene)‐<italic>p</italic>‐carboquinoid System.

Published in:

Angewandte Chemie, 2018, v. 130, n. 3, p. 757, doi. 10.1002/ange.201711031

By:

Barry, Brian M.;
Soper, R. Graeme;
Hurmalainen, Juha;
Mansikkamäki, Akseli;
Robertson, Katherine N.;
McClennan, William L.;
Veinot, Alex J.;
Roemmele, Tracey L.;
Werner‐Zwanziger, Ulrike;
Boeré, René T.;
Tuononen, Heikki M.;
Clyburne, Jason A. C.;
Masuda, Jason D.

Publication type:

Article

On-Surface Formation of Cumulene by Dehalogenative Homocoupling of Alkenyl gem-Dibromides.

Published in:

Angewandte Chemie, 2017, v. 129, n. 40, p. 12333, doi. 10.1002/ange.201706104

By:

Sun, Qiang;
Tran, Bay V.;
Cai, Liangliang;
Ma, Honghong;
Yu, Xin;
Yuan, Chunxue;
Stöhr, Meike;
Xu, Wei

Publication type:

Article

Formation of Binuclear Zigzag Hexapentaene Titanium Complexes via a Titanacumulene [Ti=C=C=CH2] Intermediate.

Published in:

Angewandte Chemie, 2017, v. 129, n. 40, p. 12465, doi. 10.1002/ange.201706674

By:

Oswald, Tim;
Gelert, Tina;
Lasar, Christian;
Schmidtmann, Marc;
Klüner, Thorsten;
Beckhaus, Rüdiger

Publication type:

Article

1,2,4-Triazoles: Synthetic approaches and pharmacological importance. (Review).

Published in:

Chemistry of Heterocyclic Compounds, 2006, v. 42, n. 11, p. 1377, doi. 10.1007/s10593-006-0255-3

By:

Al-Masoudi, I.A.;
Al-Soud, Y.A.;
Al-Salihi, N.J.;
Al-Masoudi, N.A.

Publication type:

Article

Synthesis of substituted 2-amino-5,6-dihydropyrimidin-4-ones using an aza-Wittig reaction.

Published in:

Chemistry of Heterocyclic Compounds, 2006, v. 42, n. 7, p. 897, doi. 10.1007/s10593-006-0177-0

By:

Kochubey, V. S.;
Blochin, Ya. S.;
Rodin, O. G.;
Perevalov, V. P.

Publication type:

Article

Structural transformations of the cumulene form of amorphous carbyne at high pressure.

Published in:

JETP Letters, 1997, v. 66, n. 4, p. 255, doi. 10.1134/1.567463

By:

Varfolomeeva, T. D.;
Popova, S. V.;
Lyapin, A. G.;
Brazhkin, V. V.;
Lyapin, S. G.;
Kudryavtsev, Yu. P.;
Evsyukov, S. E.

Publication type:

Article

Reaction of propa-1,2-dienylphosphonates with ethylenediamine.

Published in:

Russian Journal of Organic Chemistry, 2013, v. 49, n. 9, p. 1399, doi. 10.1134/S1070428013090285

By:

Khusainova, N.;
Pogodina, E.;
Gerasimov, A.

Publication type:

Article

Reactions of heterocumulenes with organometallic reagents: XIII. Quantum-chemical study on the mechanisms of syn-( Z)/ anti-( E)-isomerization of methyl 2-methoxy- N-methylbuta-2,3-dienimidothioate.

Published in:

Russian Journal of Organic Chemistry, 2007, v. 43, n. 11, p. 1585, doi. 10.1134/S1070428007110012

By:

Shagun, V.;
Nedolya, N.

Publication type:

Article

Reactions of heterocumulenes with organometallic reagents: XIV. Quantum-chemical study on the mechanism of unusual thermally induced transformation of methyl N-Methylbuta-2,3-dienimidothioates into iminocyclobutenes with migration of the methylsulfanyl group

Published in:

Russian Journal of Organic Chemistry, 2007, v. 43, n. 11, p. 1595, doi. 10.1134/S1070428007110024

By:

Shagun, V.;
Nedolya, N.;
Tarasova, O.

Publication type:

Article

Reactions of heterocumulenes with organometallic reagents: XI. Quantum-chemical study on the mechanism of noncatalytic cyclization of methyl 2-methoxy- N-methylbuta-2,3-dienimidothioate (1-aza-1,3,4-triene) into substituted pyrrole.

Published in:

Russian Journal of Organic Chemistry, 2007, v. 43, n. 4, p. 576, doi. 10.1134/S107042800704015X

By:

Shagun, V. A.;
Nedolya, N. A.;
Brandsma, L.

Publication type:

Article