Works matching DE "HYPERCONJUGATION"

Results: 94

Structural formulas and explanation in organic chemistry.

Published in:

Foundations of Chemistry, 2008, v. 10, n. 2, p. 117, doi. 10.1007/s10698-007-9033-2

By:

Goodwin, W.

Publication type:

Article

Molecular modelling: Supporting Saytzeff.

Published in:

Nature Chemistry, 2009, v. 1, n. 6, p. 435, doi. 10.1038/nchem.348

By:

Webber, Matthew J.;
Spivey, Alan C.

Publication type:

Article

Theoretical study of H bonds of HArF and HF with isoelectronic systems N2, CO, and BF.

Published in:

Canadian Journal of Chemistry, 2010, v. 88, n. 4, p. 352, doi. 10.1139/V10-004

By:

An Yong Li;
Li Juan Cao;
Hong Bo Ji

Publication type:

Article

Variation of the ease of α-sulfonyl carbanion formation with the orientation of different β-substituents: Experimental evidence for the generality of negative hyperconjugation as an important substituent effect.

Published in:

Canadian Journal of Chemistry, 2003, v. 81, n. 6, p. 638, doi. 10.1139/v03-015

By:

King, James F;
Li, Manqing;
Cheng, Allan Zijun;
Dave, Vinod;
Payne, Nicholas C

Publication type:

Article

An ab initio study of conformations and sigmatropic shifts in triazene and its mono-, di-, and trimethyl derivatives.

Published in:

Canadian Journal of Chemistry, 2002, v. 80, n. 5, p. 447, doi. 10.1139/v02-049

By:

Pye, Cory C;
Vaughan, Keith;
Glister, Julie F

Publication type:

Article

The Effects of Hybridization and Hyperconjugation in the Intramolecular Blue-shifted H-Bonds N-H…O.

Published in:

Chemistry Letters, 2008, v. 37, n. 6, p. 1, doi. 10.1246/cl.2008.596

By:

An Yong Li

Publication type:

Article

Two-coordinate Group 13 Element (Al, Ga) Centered Cations Formed by Silyl Group Migration: Synthesis and Characterization.

Published in:

Chemistry Letters, 2007, v. 36, n. 8, p. 984, doi. 10.1246/cl.2007.984

By:

Nakamoto, Masaaki;
Shimizu, Kousuke;
Sekiguchi, Akira

Publication type:

Article

The Possible Aromatic Conjugation via the Different Edges of (Car)Borane Clusters: Can the Relationship Between 3D and 2D Aromatic Systems Be Reconciled?

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 61, p. 1, doi. 10.1002/chem.202402970

By:

Buzsáki, Dániel;
Gál, Dalma;
Harcsa‐Pintér, Zsófia;
Kalabay, László;
Kelemen, Zsolt

Publication type:

Article

What Determines the Lewis Acidity of a Bismuthane? Towards Bi‐Based FLPs.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 57, p. 1, doi. 10.1002/chem.202402154

By:

Hartmann, Charlotte U.;
Reimann, Marc;
Cula, Beatrice;
Kaupp, Martin;
Limberg, Christian

Publication type:

Article

Electrostatic CH−π Interactions Can Override Fluorine Gauche Effects To Exert Conformational Control.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 6, p. 1, doi. 10.1002/chem.202203139

By:

Emenike, Bright U.;
Farshadmand, Amiel;
Zeller, Matthias;
Roman, Armando J.;
Sevimler, Arzu;
Shinn, David W.

Publication type:

Article

Chalcogen Bonding with Diaryl Ditellurides: Evidence from Solid State and Solution Studies.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 25, p. 1, doi. 10.1002/chem.202200395

By:

Weiss, Robin;
Aubert, Emmanuel;
Groslambert, Loic;
Pale, Patrick;
Mamane, Victor

Publication type:

Article

MIDA‐ and TIDA‐Boronates Stabilize α‐Radicals Through B−N Hyperconjugation.

Published in:

Angewandte Chemie, 2023, v. 135, n. 40, p. 1, doi. 10.1002/ange.202309566

By:

LaPorte, Antonio J.;
Feldner, Jack E.;
Spies, Jan C.;
Maher, Tom J.;
Burke, Martin D.

Publication type:

Article

A Linear C=Ge=C Heteroallene with a Di‐coordinated Germanium Atom.

Published in:

Angewandte Chemie, 2023, v. 135, n. 24, p. 1, doi. 10.1002/ange.202302836

By:

Sugamata, Koh;
Asakawa, Teppei;
Hashizume, Daisuke;
Minoura, Mao

Publication type:

Article

Editing Light Emission with Stable Crystalline Covalent Organic Frameworks via Wall Surface Perturbation.

Published in:

Angewandte Chemie, 2021, v. 133, n. 35, p. 19568, doi. 10.1002/ange.202107179

By:

Li, Zhongping;
Geng, Keyu;
He, Ting;
Tan, Ke Tian;
Huang, Ning;
Jiang, Qiuhong;
Nagao, Yuki;
Jiang, Donglin

Publication type:

Article

The Influence of C(sp3)H–Selenium Interactions on the 77Se NMR Quantification of the π‐Accepting Properties of Carbenes.

Published in:

Angewandte Chemie, 2020, v. 132, n. 49, p. 22212, doi. 10.1002/ange.202010744

By:

Junor, Glen P.;
Lorkowski, Jan;
Weinstein, Cory M.;
Jazzar, Rodolphe;
Pietraszuk, Cezary;
Bertrand, Guy

Publication type:

Article

Control of Excited‐State Conformations in B,N‐Acenes.

Published in:

Angewandte Chemie, 2019, v. 131, n. 13, p. 4303, doi. 10.1002/ange.201814104

By:

Lu, Zhenpin;
Quanz, Henrik;
Ruhl, Julia;
Albrecht, Georg;
Logemann, Christian;
Schlettwein, Derck;
Schreiner, Peter R.;
Wegner, Hermann A.

Publication type:

Article

The Comparability of Pt to Pt‐Ru in Catalyzing the Hydrogen Oxidation Reaction for Alkaline Polymer Electrolyte Fuel Cells Operated at 80 °C.

Published in:

Angewandte Chemie, 2019, v. 131, n. 5, p. 1456, doi. 10.1002/ange.201812662

By:

Li, Qihao;
Peng, Hanqing;
Wang, Yingming;
Xiao, Li;
Lu, Juntao;
Zhuang, Lin

Publication type:

Article

Exceptionally Long C−C Single Bonds in Diamino‐o‐carborane as Induced by Negative Hyperconjugation.

Published in:

Angewandte Chemie, 2019, v. 131, n. 5, p. 1411, doi. 10.1002/ange.201812555

By:

Li, Junxia;
Pang, Ronglin;
Li, Zhifang;
Lai, Guoqiao;
Xiao, Xu‐Qiong;
Müller, Thomas

Publication type:

Article

13C-13C spin-spin coupling constants in structural studies: XLIV. Carbonyl-containing oximes.

Published in:

Russian Journal of Organic Chemistry, 2009, v. 45, n. 4, p. 481, doi. 10.1134/S1070428009040010

By:

Istomina, N. V.;
Shcherbina, N. A.;
Krivdin, L. B.

Publication type:

Article

On the Harmonic Oscillator Model of Electron Delocalization (HOMED) Index and its Application to Heteroatomic Π-Electron Systems.

Published in:

Symmetry (20738994), 2010, v. 2, n. 3, p. 1485, doi. 10.3390/sym2031485

By:

Raczyñska, Ewa D.;
Hallman, Malgorzata;
Kolczyñska, Katarzyna;
Stêpniewski, Tomasz M.

Publication type:

Article

A theoretical investigation on the conformation and the interaction of CHFOCFCHF (desflurane II) with one water molecule.

Published in:

Journal of Molecular Modeling, 2013, v. 19, n. 11, p. 5045, doi. 10.1007/s00894-013-2016-4

By:

Sutradhar, Dipankar;
Zeegers-Huyskens, Therese;
Chandra, Asit

Publication type:

Article

The pervasive influence of hyperconjugation: the intrinsic (gas phase) acidities of adamantane, adamantanol, and some of their fluorinated derivatives.

Published in:

Proceedings of the Estonian Academy of Sciences, Chemistry, 2005, v. 54, n. 2, p. 60, doi. 10.3176/chem.2005.2.02

By:

Abboud, José-Luis M.;
Mishima, Masaaki;
Sonoda, Takaaki

Publication type:

Article

The effects of σC-Se-π hyperconjugation in 1-methoxy- and 1-nitro-4-[(phenylselanyl)methyl]benzene.

Published in:

Acta Crystallographica Section C: Structural Chemistry, 2014, v. 70, n. 12, p. 1109, doi. 10.1107/S2053229614022724

By:

White, Jonathan Michael;
Blanc, Paul

Publication type:

Article

The role of hyperconjugative π-aromaticity in the enhanced acidity of methyl-, silyl and germylcyclopentadienes.

Published in:

Molecular Physics, 2010, v. 108, n. 19/20, p. 2467, doi. 10.1080/00268976.2010.502138

By:

González-Castrillo, Alberto;
Hurtado, Marcela;
Mó, Otilia;
Yáñez, Manuel;
Guillemin, Jean-Claude

Publication type:

Article

Effect of Ligand Chirality and Hyperconjugation on the Thermodynamic Stability of a Tris(aquated) GdIII Complex: Synthesis, Characterization, and T1‐Weighted Phantom MR Image Study.

Published in:

European Journal of Inorganic Chemistry, 2019, v. 2019, n. 20, p. 2518, doi. 10.1002/ejic.201900043

By:

Khannam, Mahmuda;
Sahoo, Suban K.;
Mukherjee, Chandan

Publication type:

Article

Eclipsed Acetaldehyde as a Precursor for Producing Vinyl Alcohol.

Published in:

International Journal of Molecular Sciences, 2012, v. 13, n. 11, p. 15360, doi. 10.3390/ijms131115360

By:

Osman, Osman I.;
Alyoubi, Abdulrahman O.;
Elroby, Shabaan A. K.;
Hilal, Rifaat H.;
Aziz, Saadullah G.

Publication type:

Article

Influence of stereoelectronic effects on the 1JC─F spin–spin coupling constant in fluorinated heterocyclic compounds.

Published in:

Magnetic Resonance in Chemistry, 2019, v. 57, n. 7, p. 373, doi. 10.1002/mrc.4854

By:

Silla, Josué M.;
Andrade, Laize A.F.;
Freitas, Matheus P.

Publication type:

Article

A theoretical study of keto-enol isomerism and internal rotation in the HSalen molecule, N,N′-ethylene-bis(salicylidenimine) - schiff base.

Published in:

Journal of Structural Chemistry, 2011, v. 52, n. 1, p. 16, doi. 10.1134/S0022476611010033

By:

Sliznev, V.;
Girichev, G.

Publication type:

Article

The Homopolyatomic Sulfur Cation [S 20 ] 2+.

Published in:

Inorganics, 2025, v. 13, n. 1, p. 23, doi. 10.3390/inorganics13010023

By:

Derendorf, Janis;
Heiderich, Lara;
Jenne, Carsten;
Nierstenhöfer, Marc C.

Publication type:

Article

Synthesis and conformational features of sym N,N′,N″-triarylguanidines.

Published in:

Journal of Chemical Sciences, 2010, v. 122, n. 2, p. 157, doi. 10.1007/s12039-010-0017-8

By:

Gopi, Kanniyappan;
Rathi, Brijesh;
Thirupathi, Natesan

Publication type:

Article

σ‐π Hyperconjugation as a Design Strategy for High‐Performance Fluorescent Covalent Organic Frameworks.

Published in:

Angewandte Chemie, 2025, v. 137, n. 17, p. 1, doi. 10.1002/ange.202425436

By:

Liu, Yin‐sheng;
Xue, Rui;
Zhu, Kai;
Yan, Bing

Publication type:

Article

An outstanding heat-resistant hydroxyl boron-silicone oil with hyperconjugation action in backbone.

Published in:

Journal of Thermal Analysis & Calorimetry, 2018, v. 132, n. 3, p. 1825, doi. 10.1007/s10973-018-7065-6

By:

Zhou, Zhengfa;
Shen, Hongkun;
Ren, Fengmei;
Ma, Haihong;
Xu, Weibing;
Zhou, Shuqian

Publication type:

Article

Theoretical Study of the Solvent Effect on Elimination Reactions: Hybrid-DFT Study and NBO Analysis.

Published in:

Journal of Structural Chemistry, 2024, v. 65, n. 5, p. 929, doi. 10.1134/S002247662405007X

By:

Hasanzadeh, N.

Publication type:

Article

Molecular Structure, Vibrational Analysis, Hyperpolarizability and NBO Analysis of 3-Methyl-Picolinic Acid Using SQM Calculations.

Published in:

Journal of Structural Chemistry, 2018, v. 59, n. 5, p. 1022, doi. 10.1134/S0022476618050037

By:

Ramesh, G.;
Prashanth, J.;
Laxman Naik, J.;
Venkatram Reddy, B.

Publication type:

Article

Synthesis and reactivity of 3-(2,2-dimethylhydrazono)-5-R-cyclopentane-1,1,2,2-tetracarbonitriles.

Published in:

Russian Journal of General Chemistry, 2015, v. 85, n. 10, p. 2285, doi. 10.1134/S1070363215100114

By:

Sheverdov, V.;
Nasakin, O.;
Davydova, V.;
Khrustalev, V.

Publication type:

Article

Substituent Effects in P- and As-centered Radical Cations.

Published in:

Russian Journal of General Chemistry, 2003, v. 73, n. 6, p. 880, doi. 10.1023/A:1026392516092

By:

Egorochkin, A. N.;
Voronkov, M. G.;
Zderenova, O. V.;
Mushtina, T. G.

Publication type:

Article

Conformational stability and rotational energy barrier of RC-CR dimers: hyperconjugation versus steric effect.

Published in:

Journal of the Iranian Chemical Society, 2012, v. 9, n. 2, p. 205, doi. 10.1007/s13738-011-0042-7

By:

Dabbagh, H.;
Zamani, M.;
Mortaji, H.

Publication type:

Article

Blue shifts of the C&bond;H stretching vibrations in hydrogen-bonded and protonated trimethylamine. Effect of hyperconjugation on bond properties.

Published in:

Journal of Computational Chemistry, 2008, v. 29, n. 9, p. 1490, doi. 10.1002/jcc.20910

By:

Chandra, Asit K.;
Parveen, Salma;
Das, Subojit;
Zeegers-Huyskens, Thérèse

Publication type:

Article

The Combination of Cross‐Hyperconjugation and σ‐Conjugation in 2,5‐Oligosilanyl Substituted Siloles.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 71, p. 17252, doi. 10.1002/chem.202003150

By:

Pöcheim, Alexander;
Özpınar, Gül Altınbaş;
Müller, Thomas;
Baumgartner, Judith;
Marschner, Christoph

Publication type:

Article

Understanding the Conformational Behavior of Fluorinated Piperidines: The Origin of the Axial‐F Preference.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 28, p. 6141, doi. 10.1002/chem.202001355

By:

Nairoukh, Zackaria;
Strieth‐Kalthoff, Felix;
Bergander, Klaus;
Glorius, Frank

Publication type:

Article

Dismantling the Hyperconjugation of π‐Conjugated Phosphorus Heterocycles.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 38, p. 9035, doi. 10.1002/chem.201900225

By:

Larrañaga, Olatz;
Romero‐Nieto, Carlos;
de Cózar, Abel

Publication type:

Article

Agostic Interactions in Early Transition‐Metal Complexes: Roles of Hyperconjugation, Dispersion, and Steric Effect.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 26, p. 6591, doi. 10.1002/chem.201900436

By:

Lin, Xuhui;
Wu, Wei;
Mo, Yirong

Publication type:

Article

The nature of resonance and hyperconjugation for cyclic β-silyl substituted carbocations: NBO, NRT, EDA, and NMR studies.

Published in:

Research on Chemical Intermediates, 2013, v. 39, n. 5, p. 2011, doi. 10.1007/s11164-012-0733-4

By:

Dabbagh, Hossein;
Zamani, Mehdi;
Fakhraee, Sara

Publication type:

Article

Interheteromolecular Hyperconjugation Boosts (De)hydrogenation for Reversible H2 Storage.

Published in:

ChemSusChem, 2023, v. 16, n. 1, p. 1, doi. 10.1002/cssc.202201512

By:

Xue, Wenjie;
Liu, Hongxia;
Zhao, Binbin;
Tang, Conghui;
Xia, Bao Yu;
You, Bo

Publication type:

Article

Anion‐Exchange Membranes for Alkaline Fuel‐Cell Applications: The Effects of Cations.

Published in:

ChemSusChem, 2018, v. 11, n. 1, p. 58, doi. 10.1002/cssc.201701600

By:

Sun, Zhe;
Yan, Feng;
Lin, Bencai

Publication type:

Article

Filling the Gap within 10‐Membered Heteroenediynes: Thiaenediyne – An Experimental and Theoretical Study.

Published in:

European Journal of Organic Chemistry, 2024, v. 27, n. 47, p. 1, doi. 10.1002/ejoc.202401127

By:

Danilkina, Natalia A.;
Khmelevskaya, Ekaterina A.;
Shtyrov, Andrey A.;
Ryazantsev, Mikhail N.;
Khlebnikov, Alexander F.;
Tupikina, Elena Yu.;
Rumyantsev, Andrey M.;
D'yachenko, Alexander S.;
Balova, Irina A.

Publication type:

Article

Stereoelectronic Effects in Multivicinal Fluoroalkanes and Conformational Implications.

Published in:

European Journal of Organic Chemistry, 2020, v. 2020, n. 4, p. 501, doi. 10.1002/ejoc.201901780

By:

Simões, Luís H.;
Cormanich, Rodrigo A.

Publication type:

Article

Cover Feature: Synthesis and Reactivity of α‐Haloglycine Esters: Hyperconjugation in Action (Eur. J. Org. Chem. 39/2019).

Published in:

European Journal of Organic Chemistry, 2019, v. 2019, n. 39, p. 6580, doi. 10.1002/ejoc.201901447

By:

Samanta, Shyam S.;
Roche, Stéphane P.

Publication type:

Article

Synthesis and Reactivity of α‐Haloglycine Esters: Hyperconjugation in Action.

Published in:

European Journal of Organic Chemistry, 2019, v. 2019, n. 39, p. 6597, doi. 10.1002/ejoc.201901033

By:

Samanta, Shyam S.;
Roche, Stéphane P.

Publication type:

Article

Large Hyperconjugation in Strained Systems.

Published in:

Chemistry - A European Journal, 2014, v. 20, n. 39, p. 12601, doi. 10.1002/chem.201403582

By:

Racine, Julien;
Humbel, Stéphane

Publication type:

Article