Works matching DE "HAMMETT equation"

Results: 85

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

Theoretical prediction of linear free energy relationships using proton nucleomers.

Published in:

Journal of Physical Organic Chemistry, 2008, v. 21, n. 2, p. 136, doi. 10.1002/poc.1297

By:

La Macchia, Giovanni;
Gagliardi, Laura;
Carlson, Geoffrey S.;
Jay, Ashley N.;
Davis, Erik;
Cramer, Christopher J.

Publication type:

Article

Initiation of petroleum formation and antioxidant function – a DFT study of sulfur&bond;sulfur bond dissociation enthalpies.

Published in:

Journal of Physical Organic Chemistry, 2007, v. 20, n. 10, p. 754, doi. 10.1002/poc.1236

By:

Lu-Feng Zou;
Kuang Shen;
Yao Fu;
Qing-Xiang Guo

Publication type:

Article

Aminoxyl radical addition to arylketenes.

Published in:

Journal of Physical Organic Chemistry, 2006, v. 19, n. 12, p. 841, doi. 10.1002/poc.1036

By:

Acton, Austin;
Allen, Annette D.;
Fedorov, Andrei V.;
Henry-Riyad, Huda;
Tidwell, Thomas T.

Publication type:

Article

Multiple-substituent effects on the isomerization of unsymmetrical cis-1,3-diphenyltriazenes.

Published in:

Journal of Physical Organic Chemistry, 2005, v. 18, n. 6, p. 498, doi. 10.1002/poc.900

By:

Huaibin Zhang;
Barra, Mónica

Publication type:

Article

Multi-Excitation Entropy, Entropy-Enthalpy Relations, and their Impact on Catalysis.

Published in:

Catalysis Letters, 2011, v. 141, n. 7, p. 954, doi. 10.1007/s10562-011-0645-8

By:

Yelon, Arthur;
Sacher, Edward;
Linert, Wolfgang

Publication type:

Article

Effect of Hetero Atom on the Hammett's Reaction Constant (ρ) from the Physical Basis of Dissociation Equilibriums of (Dithio) Benzoic Acids and (Thio) Phenols and Its Application to Solvolysis Reactions and Some Free Radical Reactions.

Published in:

Advances in Physical Chemistry, 2012, p. 1, doi. 10.1155/2012/598243

By:

Vandanapu, Jagannadham;
Rachuru, Sanjeev

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

Predicting the pKa Values of the Deprotonation Equilibria of Benzenonium Carbocations.

Published in:

Resonance: Journal of Science Education, 2022, v. 27, n. 2, p. 283, doi. 10.1007/s12045-022-1314-5

By:

Sanjeeva, R.;
Geelan, David;
Jagannadham, V.

Publication type:

Article

Substituent Effects in the Silylation of Secondary Alcohols: A Mechanistic Study.

Published in:

Chemistry - A European Journal, 2018, v. 24, n. 56, p. 15052, doi. 10.1002/chem.201803014

By:

Marin‐Luna, Marta;
Patschinski, Pascal;
Zipse, Hendrik

Publication type:

Article

Substituent Effects in Chain‐Breaking Aryltellurophenol Antioxidants.

Published in:

Chemistry - A European Journal, 2018, v. 24, n. 14, p. 3520, doi. 10.1002/chem.201704811

By:

Poon, Jia‐fei;
Yan, Jiajie;
Donau, Carsten;
Engman, Lars;
Jorner, Kjell;
Ottosson, Henrik;
Singh, Vijay P.;
Gates, Paul J.

Publication type:

Article

Experimental Evaluation of (L)Au Electron-Donor Ability in Cationic Gold Carbene Complexes.

Published in:

Chemistry - A European Journal, 2017, v. 23, n. 71, p. 17992, doi. 10.1002/chem.201703820

By:

Carden, Robert G.;
Lam, Nathan;
Widenhoefer, Ross A.

Publication type:

Article

Mechanistic Investigation of Molybdate-Catalysed Transfer Hydrodeoxygenation.

Published in:

Chemistry - A European Journal, 2016, v. 22, n. 46, p. 16621, doi. 10.1002/chem.201603028

By:

Larsen, Daniel B.;
Petersen, Allan R.;
Dethlefsen, Johannes R.;
Teshome, Ayele;
Fristrup, Peter

Publication type:

Article

S-Trifluoromethylation of Thiols by Hypervalent Iodine Reagents: A Joint Experimental and Computational Study.

Published in:

Chemistry - A European Journal, 2016, v. 22, n. 5, p. 1704, doi. 10.1002/chem.201503774

By:

Sala, Oliver;
Santschi, Nico;
Jungen, Stefan;
Lüthi, Hans Peter;
Iannuzzi, Marcella;
Hauser, Nicole;
Togni, Antonio

Publication type:

Article

The 6,6-Dicyanopentafulvene Core: A Template for the Design of Electron-Acceptor Compounds.

Published in:

Chemistry - A European Journal, 2015, v. 21, n. 22, p. 8168, doi. 10.1002/chem.201500379

By:

Finke, Aaron D.;
Jahn, Burkhard O.;
Saithalavi, Anas;
Dahlstrand, Christian;
Nauroozi, Djawed;
Haberland, Sophie;
Gisselbrecht, Jean ‐ Paul;
Boudon, Corinne;
Mijangos, Edgar;
Schweizer, W. Bernd;
Ott, Sascha;
Ottosson, Henrik;
Diederich, François

Publication type:

Article

Electron-Deficient Alloxazinium Salts: Efficient Organocatalysts of Mild and Chemoselective Sulfoxidations with Hydrogen Peroxide.

Published in:

Advanced Synthesis & Catalysis, 2013, v. 355, n. 17, p. 3451, doi. 10.1002/adsc.201300617

By:

Ménová, Petra;
Dvořáková, Hana;
Eigner, Václav;
Ludvík, Jiří;
Cibulka, Radek

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

Synergic Effects of Ordered Mesoporous Bifunctional Ionic Liquid: A Recyclable Catalyst to Access Chemoselective N -Protected Indoline-2,3-dione Analogous.

Published in:

Catalysts (2073-4344), 2024, v. 14, n. 9, p. 629, doi. 10.3390/catal14090629

By:

Siddan, Gouthaman;
Solomon, Viswas Raja

Publication type:

Article

APPLICATION OF HAMMETT EQUATION ON SPECTROSCOPIC DATA OF SOME ARYL SULPHONAMIDES.

Published in:

Journal of Advanced Scientific Research, 2019, v. 10, n. 3, p. 196

By:

Chakkaravarthy, Jayaraman;
Thirunarayanan, G.;
Muthuvel, Inbasekaran

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

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

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

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

Making Fast Photoswitches Faster--Using Hammett Analysis to Understand the Limit of Donor-Acceptor Approaches for Faster Hemithioindigo Photoswitches.

Published in:

Chemistry - A European Journal, 2014, v. 20, n. 43, p. 13984, doi. 10.1002/chem.201403661

By:

Maerz, Benjamin;
Wiedbrauk, Sandra;
Oesterling, Sven;
Samoylova, Elena;
Nenov, Artur;
Mayer, Peter;
de Vivie ‐ Riedle, Regina;
Zinth, Wolfgang;
Dube, Henry

Publication type:

Article

Site-Specific Acid–Base Properties of Tenoxicam.

Published in:

Helvetica Chimica Acta, 2007, v. 90, n. 9, p. 1681

By:

Kristóf Kóczián;
Gergely Völgyi;
József Kökösi;
Béla Noszál

Publication type:

Article

Tuning the acidity of halloysite by polyionic liquid to develop an efficient catalyst for the conversion of fructose to 5-hydroxymethylfurfural.

Published in:

Scientific Reports, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41598-023-34876-4

By:

Sadjadi, Samahe;
Yaghoubi, Soheila;
Zhong, Xuemin;
Yuan, Peng;
Heravi, Majid M.

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

Synthesis of aryl α- O- L-rhamnopyranoside by two-step reaction in one pot.

Published in:

Journal of Carbohydrate Chemistry, 2017, v. 36, n. 4-6, p. 220, doi. 10.1080/07328303.2017.1390578

By:

Liu, Nianping;
Tian, Xiangguang;
Ding, Zekun;
Zhou, Yongda;
Zhang, Wan;
Wang, Qingbing;
Zhang, Yi;
Gu, Yijun;
Zhang, Jianbo

Publication type:

Article

Remote substituent effects on catalytic activity of metal-organic frameworks: a linker orbital energy model.

Published in:

NPJ Computational Materials, 2023, v. 9, n. 1, p. 1, doi. 10.1038/s41524-023-01008-5

By:

Wang, Zhenzhen;
Meng, Huan;
Gao, Xuejiao J.;
Zheng, Jia-Jia;
Gao, Xingfa

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

HAMMETT ACIDITY FUNCTION FOR MIXED ZrO2-SiO2 OXIDE AT ELEVATED TEMPERATURES.

Published in:

Chemistry, Physics & Technology of Surface / Khimiya, Fizyka ta Tekhnologiya Poverhni, 2012, v. 3, n. 4, p. 395

By:

Inshina, E. I.;
Shistka, D. V.;
Telbiz, G. M.;
Brei, V. V.

Publication type:

Article

Electronic Fine‐tuning of Ruthenium(II) Transfer Hydrogenation Catalysts with Ethanol as the Hydrogen Source.

Published in:

ChemCatChem, 2020, v. 12, n. 24, p. 6223, doi. 10.1002/cctc.202001370

By:

Weingart, Pascal;
Sun, Yu;
Thiel, Werner R.

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

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

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

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

A facile synthesis and tautomeric structure of novel 4-arylhydrazono-3-(2-hydroxyphenyl)-2-pyrazolin-5-ones and their application as disperse dyes.

Published in:

Coloration Technology, 2013, v. 129, n. 6, p. 418, doi. 10.1111/cote.12052

By:

Metwally, Mohamed A;
Bondock, Samir;
El ‐ Desouky, El ‐ Sayed I;
Abdou, Moaz M

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

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

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

QSRR approach in examining selected azo dyes.

Published in:

Journal of Liquid Chromatography & Related Technologies, 2016, v. 39, n. 14, p. 674, doi. 10.1080/10826076.2016.1230748

By:

Vastag, Gyöngyi;
Apostolov, Suzana;
Matijević, Borko;
Assaleh, Fathi

Publication type:

Article

Acidity Constants of Boronic Acids as Simply as Possible: Experimental, Correlations, and Prediction.

Published in:

Molecules, 2024, v. 29, n. 11, p. 2713, doi. 10.3390/molecules29112713

By:

Sporzyński, Andrzej;
Adamczyk-Woźniak, Agnieszka;
Zarzeczańska, Dorota;
Gozdalik, Jan T.;
Ramotowska, Paulina;
Abramczyk, Wiktoria

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