Works matching DE "HAMMETT equation"

Results: 85

Epoxy-Amine Resins with Controlled Reactivity.

Published in:

Macromolecular Chemistry & Physics, 2014, v. 215, n. 5, p. 421, doi. 10.1002/macp.201300734

By:

Burkhart, Alexander;
Fischer, Julian;
Mondrzyk, Adam;
Ritter, Helmut

Publication type:

Article

Choice of Resin for Acid-Resistant Fiberglass Applied to Specific Operating Conditions.

Published in:

Chemical & Petroleum Engineering, 2013, v. 49, n. 5/6, p. 407, doi. 10.1007/s10556-013-9765-x

By:

Makarov, V.;
Sinelnikova, R.

Publication type:

Article

Protection of Flavonoids Against Lipid Peroxidation: The Structure Activity Relationship Revisited.

Published in:

Free Radical Research, 2002, v. 36, n. 5, p. 575

By:

Oostveen, R. Minou;
Stalpers, Eva M.;
Bast, Aalt;
Haenen, Guido R. M. M.;
Heijnen, Chantal G. M.

Publication type:

Article

Highly Stereoselective Synthesis of γ,δ‐Unsaturated Quaternary α‐Amino Esters via the Tandem N‐Alkylation/Claisen Rearrangement of α‐Imino Allylesters.

Published in:

Asian Journal of Organic Chemistry, 2023, v. 12, n. 5, p. 1, doi. 10.1002/ajoc.202300063

By:

Mizota, Isao;
Fukaya, Toshikazu;
Miwa, Yumi;
Kobayashi, Yoshinari;
Ejima, Tomoki;
Yamaguchi, Mizuki;
Shimizu, Makoto

Publication type:

Article

Dizajn, sinteza i evaluacija farmakokinetički relevantnih svojstava novih spirohidantoina izvedenih iz β-tetralona.

Published in:

Chemical Industry / Hemijska Industrija, 2019, v. 73, n. 2, p. 79, doi. 10.2298/HEMIND181203007L

By:

Lazić, Anita M.;
Mandić, Željko D.;
Valentić, Nataša V.;
Ušćumlić, Gordana S.;
Trišović, Nemanja P.

Publication type:

Article

Spectroscopic and quantum chemical elucidation of newly synthesized 1-aryl-3-methyl-3-phenylpyrrolidine-2,5-diones as potential anticonvulsant agents.

Published in:

Chemical Industry / Hemijska Industrija, 2019, v. 73, n. 2, p. 125, doi. 10.2298/HEMIND190214011P

By:

Cvetković, Jelena Petković;
Božić, Bojan;
Banjac, Nebojša;
Lađarević, Jelena;
Vitnik, Vesna;
Vitnik, Željko;
Valentić, Nataša;
Ušćumlić, Gordana

Publication type:

Article

Structure-property relationships and momentum space quantities: Hammett σ-constants †.

Published in:

Molecular Physics, 2003, v. 101, n. 21, p. 3159, doi. 10.1080/00268970310001632499

By:

Amat, Lluis;
Carbó-Dorca, Ramon;
Cooper, David L.;
Allan, Neil L.;
Ponec, Robert

Publication type:

Article

Determination of acid dissociation constants of some substituted salicylideneanilines by spectroscopy. Application of the Hammett relation.

Published in:

Arabian Journal of Chemistry, 2017, v. 10, p. S3646, doi. 10.1016/j.arabjc.2014.04.002

By:

Hadjeb, R.;
Barkat, D.

Publication type:

Article

The substituent effects on the 13C chemical shifts of the azomethine carbon atom of N-(substituted phenyl)salicylaldimines.

Published in:

Journal of the Serbian Chemical Society, 2012, v. 77, n. 8, p. 993, doi. 10.2298/JSC120319033D

By:

DRMANIĆ, SAŠA Ž.;
MARINKOVIĆ, ALEKSANDAR D.;
NIKOLIĆ, JASMINA B.;
JOVANOVIĆ, BRATISLAV Ž.

Publication type:

Article

An Easy Synthesis of Monofluorinated Derivatives of Pyrroles from β-Fluoro-β-Nitrostyrenes.

Published in:

Molecules, 2021, v. 26, n. 12, p. 3515, doi. 10.3390/molecules26123515

By:

Aldoshin, Alexander S.;
Tabolin, Andrey A.;
Ioffe, Sema L.;
Nenajdenko, Valentine G.

Publication type:

Article

Substituent Effects on NMR Spectroscopy of 2,2-Dimethylchroman-4-one Derivatives: Experimental and Theoretical Studies.

Published in:

Molecules, 2020, v. 25, n. 9, p. 2061, doi. 10.3390/molecules25092061

By:

Iguchi, Daniela;
Ravelli, Davide;
Erra-Balsells, Rosa;
Bonesi, Sergio M.

Publication type:

Article

Nucleophilic Substitution at Tetracoordinate Sulfur. Kinetics and Mechanism of the Chloride-Chloride Exchange Reaction in Arenesulfonyl Chlorides: Counterintuitive Acceleration of Substitution at Sulfonyl Sulfur by ortho-Alkyl Groups and Its Origin.

Published in:

Molecules, 2020, v. 25, n. 6, p. 1428, doi. 10.3390/molecules25061428

By:

Mikołajczyk, Marian;
Gajl, Monika;
Błaszczyk, Jarosław;
Cypryk, Marek;
Gostyński, Bartłomiej

Publication type:

Article

A Theoretical Study of the Relationship between the Electrophilicity ω Index and Hammett Constant σp in [3+2] Cycloaddition Reactions of Aryl Azide/Alkyne Derivatives.

Published in:

Molecules, 2016, v. 21, n. 11, p. 1434, doi. 10.3390/molecules21111434

By:

El Ayouchia, Hicham Ben;
Anane, Hafid;
El Idrissi Moubtassim, Moulay Lahcen;
Domingo, Luis R.;
Julve, Miguel;
Stiriba, Salah-Eddine

Publication type:

Article

The effect of electronic factors on the reactivity of heteroaromatic N-oxides.

Published in:

Chemistry of Heterocyclic Compounds, 2010, v. 46, n. 2, p. 184, doi. 10.1007/s10593-010-0490-5

By:

Andreev, V. P.

Publication type:

Article

Amination by nucleophilic substitution and addition in solution: Substituents effect on changes in activation parameters.

Published in:

Russian Journal of Organic Chemistry, 2014, v. 50, n. 5, p. 621, doi. 10.1134/S1070428014050029

By:

Vlasov, V.

Publication type:

Article

The Substituent Effect of 1-Arylazonaphthen-2-ols on Azo-hydrazone Tautomerization According to NMR Analysis.

Published in:

Journal of the Chinese Chemical Society, 2015, v. 62, n. 4, p. 335, doi. 10.1002/jccs.201400381

By:

Lin, Yi-Cang;
Chen, Chien-Chih;
Ding, Mei-Fan;
Lin, Shaw-Tao

Publication type:

Article

Connecting Classical QSAR and LERE Analyses Using Modern Molecular Calculations, LERE-QSAR (VI): Hydrolysis of Substituted Hippuric Acid Phenyl Esters by Trypsin.

Published in:

Molecular Informatics, 2014, v. 33, n. 11/12, p. 802, doi. 10.1002/minf.201400099

By:

Mashima, Akira;
Kurahashi, Masahiro;
Sasahara, Katsunori;
Yoshida, Tatsusada;
Chuman, Hiroshi

Publication type:

Article

Effects of Substituent on Antioxidant Potent Substituted Styryl 3, 4-Dichlorophenyl Ketones.

Published in:

IUP Journal of Chemistry, 2012, v. 5, n. 1, p. 41

By:

Thirunarayanan, G.

Publication type:

Article

Expanding the Hammett Correlations for the Vinylheptafulvene Ring-Closure Reaction.

Published in:

European Journal of Organic Chemistry, 2017, v. 2017, n. 6, p. 1052, doi. 10.1002/ejoc.201601435

By:

Kilde, Martin Drøhse;
Hansen, Mia Harring;
Broman, Søren Lindbæk;
Mikkelsen, Kurt V.;
Nielsen, Mogens Brøndsted

Publication type:

Article

Synthesis and Characterization of para-Substituted N, N′-Dihydroxybenzamidines and Their Derivatives as Model Compounds for a Class of Prodrugs.

Published in:

European Journal of Organic Chemistry, 2014, v. 2014, n. 9, p. 1961, doi. 10.1002/ejoc.201301622

By:

Schwarz, Laura;
Girreser, Ulrich;
Clement, Bernd

Publication type:

Article

Kinetic Study on Nucleophilic Substitution Reactions of O-Phenyl O-Y-substituted-Phenyl Thionocarbonates with 1,8-Diazabicyclo[5.4.0]undec-7-ene in Acetonitrile.

Published in:

Bulletin of the Korean Chemical Society, 2017, v. 38, n. 10, p. 1169, doi. 10.1002/bkcs.11242

By:

Um, Ik-Hwan;
Park, Kyoung-Ho

Publication type:

Article

Alkaline Hydrolysis of 4-Nitrophenyl X-Substituted-Benzoates Revisited: New Insights from Yukawa-Tsuno Equation.

Published in:

Bulletin of the Korean Chemical Society, 2016, v. 37, n. 12, p. 2062, doi. 10.1002/bkcs.11000

By:

Shin, Young-Hee;
Kang, Ji-Sun;
Um, Ik-Hwan

Publication type:

Article

K+ Ion Catalysis in Nucleophilic Displacement Reaction of Y-Substituted-Phenyl Picolinates with Potassium Ethoxide: Effect of Substituent Y on Reactivity and Transition State Structure.

Published in:

Bulletin of the Korean Chemical Society, 2014, v. 35, n. 6, p. 1749, doi. 10.5012/bkcs.2014.35.6.1749

By:

Hyun-Ju Im;
Jieun Lee;
Mi-Yeon Kim;
Ik-Hwan Um

Publication type:

Article

How medicinal chemists learned about log P.

Published in:

Journal of Computer-Aided Molecular Design, 2018, v. 32, n. 8, p. 809, doi. 10.1007/s10822-018-0127-9

By:

Martin, Yvonne Connolly

Publication type:

Article

Novel Carbene Hydroxymethylene Derivatives: Gibbs Free Energy, NBO, AIM, and Hammett Approaches via DFT and MP2 Methods.

Published in:

Journal of Structural Chemistry, 2023, v. 64, n. 7, p. 1188, doi. 10.1134/S002247662307003X

By:

Poorghasem, E.;
Piri, F.

Publication type:

Article

NH-acidities and Hammett correlation of 3-para substituted phenyl-1,2,4-oxadiazol-5(4H)-ones and 1,2 λ4 3,5-oxathiadiazole 2-oxides in nonaqueous media.

Published in:

Turkish Journal of Chemistry, 2014, v. 38, n. 1, p. 56, doi. 10.3906/kim-1303-46

By:

DÜRÜST, Nedime;
DÜRÜST, Yaşar;
GÖZLÜKAYA, Emine Özge

Publication type:

Article

Correlation Analysis of the Enthalpies of Vaporization of Isomers with the Hammett-Taft Equation.

Published in:

Russian Journal of General Chemistry, 2005, v. 75, n. 5, p. 739, doi. 10.1007/s11176-005-0310-2

By:

Makitra, R. G.;
Polyuzhin, I. P.

Publication type:

Article

Quantitative Structure-Property Relationship: XX. Property-Property Correlation and Nonlinear Bronsted and Hammett Equations.

Published in:

Russian Journal of General Chemistry, 2005, v. 75, n. 4, p. 496, doi. 10.1007/s11176-005-0260-8

By:

Golovanov, I. B.;
Zhenodarova, S. M.

Publication type:

Article

Low Temperature Chemoselective Hydrogenation of Aldehydes over a Magnetic Pd Catalyst.

Published in:

Applied Sciences (2076-3417), 2019, v. 9, n. 9, p. 1792, doi. 10.3390/app9091792

By:

Liu, Anqiu;
Wang, Xiaochen;
Gao, Daming;
Wang, Le;
Cheng, Junjie;
Wang, An;
Zhang, Zehui

Publication type:

Article

Mechanistic Aspects of Submol % Copper-Catalyzed CN Cross-Coupling.

Published in:

ChemCatChem, 2014, v. 6, n. 5, p. 1277, doi. 10.1002/cctc.201301088

By:

Larsson, Per‐Fredrik;
Wallentin, Carl‐Johan;
Norrby, Per‐Ola

Publication type:

Article

Understanding the reaction mechanism of the regioselective piperidinolysis of aryl 1-(2,4-dinitronaphthyl) ethers in DMSO: Kinetic and DFT studies.

Published in:

Progress in Reaction Kinetics & Mechanism, 2021, v. 46, p. 1, doi. 10.1177/14686783211027446

By:

Moghazy, Yasmen M;
Hamada, Nagwa MM;
Fathalla, Magda F;
Elmarassi, Yasser R;
Hamed, Ezzat A;
El-Atawy, Mohamed A

Publication type:

Article

Single electron transfer in SNAr process: reactions of 2,4,6-tris(trifluoromethanesulfonyl)anisole with anilines in dimethyl sulfoxide.

Published in:

Progress in Reaction Kinetics & Mechanism, 2013, v. 38, n. 2, p. 130, doi. 10.3184/146867813X13642226149123

By:

Guesmi, N. El;
Boubaker, T.;
Goumont, R.

Publication type:

Article

Dehydrative Allylation of Alcohols and Deallylation of Allyl Ethers Catalyzed by [CpRu(CH3CN)3]PF6 and 2-Pyridinecarboxylic Acid Derivatives. Effect of π-Accepting Ability and COOH Acidity of Ligand on Reactivity.

Published in:

Chemistry Letters, 2009, v. 38, n. 2, p. 34, doi. 10.1246/cl.2009.188

By:

Tanaka, Shinji;
Saburi, Hajime;
Hirakawa, Takuya;
Seki, Tomoaki;
Kitamura, Masato

Publication type:

Article

Insulinomimetic Vanadyl-Hydroxythiazolethione Complexes with VO(S2O2) Coordination Mode: The Correlation between the Activity and Hammett's Substituent Constant.

Published in:

Chemistry Letters, 2004, v. 33, n. 10, p. 1274, doi. 10.1246/cl.2004.1274

By:

Katoh, Akira;
Yamaguchi, Mika;
Saito, Ryota;
Adachi, Yusuke;
Sakurait, Hiromu

Publication type:

Article

Functionalization at C(1) of the Dihydroazulene/Vinylheptafulvene Photo‐/Thermoswitch – Establishing Structure−Property Relationship.

Published in:

Helvetica Chimica Acta, 2018, v. 101, n. 11, p. N.PAG, doi. 10.1002/hlca.201800153

By:

Andersen, Dianna;
Drøhse Kilde, Martin;
Kadziola, Anders;
Cacciarini, Martina;
Brøndsted Nielsen, Mogens

Publication type:

Article

Synthesis and Tautomeric Structure of 7-Arylhydrazono-7H-[1,2,4]Triazolo[3,4-b][1,3,4]Thiadiazines.

Published in:

Phosphorus, Sulfur & Silicon & the Related Elements, 2002, v. 177, n. 2, p. 487, doi. 10.1080/10426500210251

By:

Mosselhi, Mosselhi A. N.;
Abdallah, Magda A.;
Mohamed, Yassin F.;
Shawali, Ahmad S.

Publication type:

Article

Kinetics of Biochemical Transformation of Aniline and Its Derivatives in Natural Water: Quantitative Estimation of the Substituent Effect.

Published in:

Russian Journal of General Chemistry, 2018, v. 88, n. 13, p. 2843, doi. 10.1134/S1070363218130030

By:

Ryzhakov, A. V.

Publication type:

Article

Basicity of para-substituted tetraphenylporphyrins studied by two-phase spectropotentiometric titration.

Published in:

Russian Journal of General Chemistry, 2014, v. 84, n. 1, p. 98, doi. 10.1134/S1070363214010150

By:

Starikova, A.;
Valiotti, A.;
Pendin, A.

Publication type:

Article

Synthesis and basic properties of bisporphyrinocalix[4]arene.

Published in:

Russian Journal of General Chemistry, 2008, v. 78, n. 4, p. 673, doi. 10.1134/S1070363208040269

By:

Ivanova, Yu. B.;
Churakhina, Yu. I.;
Mamardashvili, N. Zh.

Publication type:

Article

Effect of substituent in the benzene ring on the reactivity of aromatic nitro compounds: A quantum-chemical approach.

Published in:

Russian Journal of General Chemistry, 2008, v. 78, n. 2, p. 264, doi. 10.1134/S107036320802014X

By:

Kochetova, L.;
Klyuev, M.

Publication type:

Article

Activation of the aromatic system by the SO2CF3 group: Kinetics study and structure–reactivity relationships.

Published in:

International Journal of Chemical Kinetics, 2010, v. 42, n. 4, p. 203, doi. 10.1002/kin.20446

By:

Guesmi, Nizar El;
Boubaker, Taoufik;
Goumont, Régis

Publication type:

Article

Preparation, characterization, and catalytic behavior of xMO/yNaZSM‐5 catalyst for dichlorohydrin dechlorination reaction.

Published in:

Asia-Pacific Journal of Chemical Engineering, 2018, v. 13, n. 3, p. 1, doi. 10.1002/apj.2194

By:

Yang, Lu;
Liang, Yunxia;
Yang, Huimin;
Li, Fuxiang;
Xue, Jianwei;
Lv, Zhiping

Publication type:

Article

The Oxidative Transformation of Substituted Mandelic acids by Ethylenediammonium Dichromate in AcOH-H2O medium: (A Kinetic Study).

Published in:

Oriental Journal of Chemistry, 2023, v. 39, n. 4, p. 1015, doi. 10.13005/ojc/390427

By:

KHARETIYA, PRIYANKA;
PANDAY, DINESH

Publication type:

Article

Tetrahedral Nature Determines the Stability of Reactive Intermediates: A Chemical Education Perspective.

Published in:

Oriental Journal of Chemistry, 2019, v. 35, n. 1, p. 461, doi. 10.13005/ojc/350160

By:

RACHURU, SANJEEV;
VANDANAPU, JAGANNADHAM;
PANDIRI, SREEDHAR

Publication type:

Article

Electronic tuning of site-selectivity.

Published in:

Nature Chemistry, 2012, v. 4, n. 12, p. 996, doi. 10.1038/nchem.1495

By:

Wilcock, Brandon C.;
Uno, Brice E.;
Bromann, Gretchen L.;
Clark, Matthew J.;
Anderson, Thomas M.;
Burke, Martin D.

Publication type:

Article

Correlation between Absorption and Substitution of Photochromic 1,2‐Bis(thienyl)ethenes (BTEs) Using Modified Spectroscopic Hammett Equations.

Published in:

European Journal of Organic Chemistry, 2023, v. 26, n. 1, p. 1, doi. 10.1002/ejoc.202200996

By:

Nagorny, Sven;
Weingartz, Thea;
Namyslo, Jan C.;
Adams, Jörg;
Schmidt, Andreas

Publication type:

Article

Linear free-energy correlation analysis of the electronic effects of the substituents in the Sonogashira coupling reaction.

Published in:

Canadian Journal of Chemistry, 2008, v. 86, n. 5, p. 410, doi. 10.1139/V08-038

By:

Gottardo, Christine;
Kraft, Thomas M.;
Hossain, M. Selim;
Zawada, Peter V.;
Muchall, Heidi M.

Publication type:

Article

Kinetics of glycoluril template-directed Claisen condensations and mechanistic implications.

Published in:

Canadian Journal of Chemistry, 2002, v. 80, n. 5, p. 517, doi. 10.1139/v02-071

By:

Rahimizadeh, Mohammad;
Kam, Karen;
Jenkins, Stephen I;
McDonald, Robert S;
Harrison, Paul HM

Publication type:

Article

Influence of substituent effects on spectroscopic properties and antimicrobial activity of 5-(4′-substituted phenylazo)-2-thioxothiazolidinone derivatives.

Published in:

World Journal of Microbiology & Biotechnology, 2013, v. 29, n. 1, p. 119, doi. 10.1007/s11274-012-1164-5

By:

Abou-Dobara, M.;
El-Sonbati, A.;
Morgan, Sh.

Publication type:

Article

Synthesis, photoluminescence and electrochemical properties of 2,7-diarylfluorene derivatives.

Published in:

Journal of Chemical Sciences, 2008, v. 120, n. 4, p. 355, doi. 10.1007/s12039-008-0059-3

By:

Agarwal, Neeraj;
Nayak, Pabitra K.;
Periasamy, N.

Publication type:

Article