Works matching DE "CUMULENES"

Results: 72

Effect of substituents in the cumulene and aryl fragments of aroylketenes on the stereoselectivity of diels-alder heteroreaction with mono-, Bi-, and polycyclic terpenoids containing a carbonyl group.

Published in:

Chemistry of Heterocyclic Compounds, 2010, v. 46, n. 4, p. 413, doi. 10.1007/s10593-010-0525-y

By:

Nekrasov, D. D.;
Obukhova, A. S.;
Lisovenko, N. Yu.;
Roubtsov, A. E.

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

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

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

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

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

Cyclic dimers of tetrafluorobutatriene.

Published in:

Theoretical Chemistry Accounts: Theory, Computation, & Modeling, 2011, v. 129, n. 3-5, p. 507, doi. 10.1007/s00214-011-0890-3

By:

Ehm, Christian;
Lentz, Dieter

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

On-surface generation and imaging of arynes by atomic force microscopy.

Published in:

Nature Chemistry, 2015, v. 7, n. 8, p. 623, doi. 10.1038/nchem.2300

By:

Pavliček, Niko;
Schuler, Bruno;
Collazos, Sara;
Moll, Nikolaj;
Pérez, Dolores;
Guitián, Enrique;
Meyer, Gerhard;
Peña, Diego;
Gross, Leo

Publication type:

Article

Carbon allotropes: On the road to carbyne.

Published in:

Nature Chemistry, 2010, v. 2, n. 11, p. 912, doi. 10.1038/nchem.884

By:

Haley, Michael M.

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

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

Heterocyclizations of functionalized heterocumulenes with C,N-, C,O-, and C,S-binucleophiles: VII. Reaction of 1-chloroalkyl isocyanates with N,N-disubstituted cyanothioacetamides. A new synthetic route to 6-dialkylamino-4-oxo-3,4-dihydro-2 H-1,3-thiazine-5-carbonitriles

Published in:

Russian Journal of Organic Chemistry, 2007, v. 43, n. 4, p. 553, doi. 10.1134/S1070428007040112

By:

Sukach, V.;
Chubaruk, N.;
Vovk, M.

Publication type:

Article

Heterocyclization of functionalized heterocumulenes with C,N-and C,O-binucleophiles: VI. Synthesis of carbofused 2,3-dihydro-1,3-oxazin-4-ones and 3,4-dihydro-1,3-oxazin-2-ones.

Published in:

Russian Journal of Organic Chemistry, 2007, v. 43, n. 2, p. 256, doi. 10.1134/S1070428007020170

By:

Vovk, M.;
Sukach, V.;
Chubaruk, N.;
Chernega, A.;
Bol’but, A.

Publication type:

Article

Heterocyclization of functionalized heterocumulenes with C,N- and C,O-binucleophiles: V. Synthesis of imidazo[1,5-a]imidazole derivatives by cyclocondensation of 1-chloroalkyl isocyanates with imidazoles and benzimidazole.

Published in:

Russian Journal of Organic Chemistry, 2004, v. 40, n. 11, p. 1638, doi. 10.1007/s11178-005-0071-8

By:

Vovk, M. V.;
Sukach, V. A.;
Pinchuk, A. M.;
Chernega, A. N.;
Pirozhenko, V. V.;
Howard, J. A.

Publication type:

Article

Reactions of Heterocumulenes with Organometallic Reagents: X. Quantum-Chemical Study of the Reaction of Aliphatic Isothiocyanates with Lithiated Allenes. Intramolecular Rearrangements of 1,3,4-Azatrienes.

Published in:

Russian Journal of Organic Chemistry, 2004, v. 40, n. 6, p. 775, doi. 10.1023/B:RUJO.0000044539.72663.58

By:

Shagun, V. A.;
Toryashinova, D-S. D.;
Nedolya, N. A.;
Tarasova, O. A.;
Brandsma, L.

Publication type:

Article

Heterocyclizations of Functionalized Heterocumulenes with C,N- and C,O-Dinucleophiles: II.* Reaction of 1-Chloro- and 1,1-Dichloroalkyl Isocyanates and 1-Chloroalkylidenecarbamates with 2-Bensothiazolylacetonitrile, 2-Benzothiazolylacetates, and Bis(2-benzothiazolyl)methane

Published in:

Russian Journal of Organic Chemistry, 2003, v. 39, n. 12, p. 1781, doi. 10.1023/B:RUJO.0000019744.08100.85

By:

Vovk, M. V.;
Lebed', P. S.;
Sukach, V. A.;
Kornilov, M. Yu.

Publication type:

Article

Heterocyclizations of Functionalized Heterocumulenes with C,N- and C,O-Dinucleophiles: III.* Cyclization of N-(1-Aryl-1-chloro-2,2,2-trifluoroethyl)-N'-arylcarbodiimides with 3-Substituted 1-Phenylpyrazol-5-ones.

Published in:

Russian Journal of Organic Chemistry, 2003, v. 39, n. 12, p. 1789, doi. 10.1023/B:RUJO.0000019745.17921.9a

By:

Bol'but, A. V.;
Dorokhov, V. I.;
Sukach, V. A.;
Tolmachev, A. A.;
Vovk, M. V.

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

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

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

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

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

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

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

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

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

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

A Tetraethynyl[5]cumulene.

Published in:

Helvetica Chimica Acta, 2019, v. 102, n. 3, p. N.PAG, doi. 10.1002/hlca.201900001

By:

Marshall, Jonathan L.;
Arslan, Funda;
Januszewski, Johanna A.;
Ferguson, Michael J.;
Tykwinski, Rik R.

Publication type:

Article

Reaction of Primary Alkylamines, Heterocumulenes, and Isatoic Anhydride, Catalyzed by Magnetic Fe3O4 Nanoparticles in H2O.

Published in:

Helvetica Chimica Acta, 2011, v. 94, n. 10, p. 1825, doi. 10.1002/hlca.201100071

By:

Yavari, Issa;
Beheshti, Saeideh

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

Wannier functions of cumulene: A tight-binding approach (Phys. Status Solidi B 3/2016).

Published in:

Physica Status Solidi (B), 2016, v. 253, n. 3, p. 604, doi. 10.1002/pssb.201670518

By:

Ribeiro, Allan V.;
Nacbar, Denis R.;
Bruno‐Alfonso, Alexys

Publication type:

Article

Contents.

Published in:: Physica Status Solidi (B), 2016, v. 253, n. 3, p. 411, doi. 10.1002/pssb.201670519
Publication type:: Article

Wannier functions of cumulene: A tight-binding approach.

Published in:

Physica Status Solidi (B), 2016, v. 253, n. 3, p. 545, doi. 10.1002/pssb.201552504

By:

Ribeiro, Allan V.;
Nacbar, Denis R.;
Bruno‐Alfonso, Alexys

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