Works matching AU Leito, Ivo

Results: 144

The Impact of Perfluoroalkyl Groups on Phosphane Basicity.

Published in:

Molecules, 2025, v. 30, n. 10, p. 2220, doi. 10.3390/molecules30102220

By:

Pikma, Marta-Lisette;
Trummal, Aleksander;
Leito, Ivo;
Kütt, Agnes

Publication type:

Article

Electronic Modification of a Sterically Demanding Anionic Pyridine Ligand.

Published in:

Zeitschrift für Anorganische und Allgemeine Chemie, 2022, v. 648, n. 19, p. 1, doi. 10.1002/zaac.202200136

By:

Schmidlin, Nadja M. C.;
Radtke, Valentin;
Schmidt, Alexei;
Lõkov, Märt;
Leito, Ivo;
Böttcher, Tobias

Publication type:

Article

The Unified Redox Scale for All Solvents: Consistency and Gibbs Transfer Energies of Electrolytes from their Constituent Single Ions.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 46, p. 1, doi. 10.1002/chem.202300609

By:

Radtke, Valentin;
Priester, Denis;
Heering, Agnes;
Müller, Carina;
Koslowski, Thorsten;
Leito, Ivo;
Krossing, Ingo

Publication type:

Article

Multifunctional Organocatalysts ‐ Singly‐Linked and Macrocyclic Bisphosphoric Acids for Asymmetric Phase‐Transfer and Brønsted‐Acid Catalysis.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 2, p. 1, doi. 10.1002/chem.202202953

By:

Thiele, Maike;
Rose, Thomas;
Lõkov, Märt;
Stadtfeld, Sophia;
Tshepelevitsh, Sofja;
Parman, Elisabeth;
Opara, Karina;
Wölper, Christoph;
Leito, Ivo;
Grimme, Stefan;
Niemeyer, Jochen

Publication type:

Article

A Chemically Fuelled Molecular Automaton Displaying Programmed Migration of Zn2+ Between Alternative Binding Sites.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 59, p. 1, doi. 10.1002/chem.202202247

By:

Wootten, Matthew M.;
Tshepelevitsh, Sofja;
Leito, Ivo;
Clayden, Jonathan

Publication type:

Article

Electrochemistry and Reactivity of Chelation‐stabilized Hypervalent Bromine(III) Compounds.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 42, p. 1, doi. 10.1002/chem.202200974

By:

Mohebbati, Nayereh;
Sokolovs, Igors;
Woite, Philipp;
Lõkov, Märt;
Parman, Elisabeth;
Ugandi, Mihkel;
Leito, Ivo;
Roemelt, Michael;
Suna, Edgars;
Francke, Robert

Publication type:

Article

Measurements and Utilization of Consistent Gibbs Energies of Transfer of Single Ions: Towards a Unified Redox Potential Scale for All Solvents.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 40, p. 1, doi. 10.1002/chem.202200509

By:

Radtke, Valentin;
Gebel, Niklas;
Priester, Denis;
Ermantraut, Andreas;
Bäuerle, Monika;
Himmel, Daniel;
Stroh, Regina;
Koslowski, Thorsten;
Leito, Ivo;
Krossing, Ingo

Publication type:

Article

Novel Lipophilic Fluorophores with Highly Acidity‐Dependent Two‐Photon Response.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 8, p. 1, doi. 10.1002/chem.202103707

By:

Rammo, Matt;
Trummal, Aleksander;
Uudsemaa, Merle;
Pahapill, Juri;
Petritsenko, Katrin;
Sildoja, Meelis‐Mait;
Stark, Charles W.;
Selberg, Sigrid;
Leito, Ivo;
Palmi, Kirsti;
Adamson, Jasper;
Rebane, Aleksander

Publication type:

Article

Bis(4‐benzhydryl‐benzoxazol‐2‐yl)methane – from a Bulky NacNac Alternative to a Trianion in Alkali Metal Complexes.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 38, p. 9858, doi. 10.1002/chem.202100616

By:

Kretsch, Johannes;
Kreyenschmidt, Anne‐Kathrin;
Schillmöller, Timo;
Lõkov, Märt;
Herbst‐Irmer, Regine;
Leito, Ivo;
Stalke, Dietmar

Publication type:

Article

Basicity Limits of Neutral Organic Superbases.

Published in:

Angewandte Chemie, 2015, v. 127, n. 32, p. 9394, doi. 10.1002/ange.201503345

By:

Leito, Ivo;
Koppel, Ilmar A.;
Koppel, Ivar;
Kaupmees, Karl;
Tshepelevitsh, Sofja;
Saame, Jaan

Publication type:

Article

Sehr starke Organosuperbasen durch Verknüpfung von Imidazol- und Guanidinbasen - Synthese, Struktur und Basizität.

Published in:

Angewandte Chemie, 2014, v. 126, n. 5, p. 1459, doi. 10.1002/ange.201307212

By:

Vazdar, Katarina;
Kunetskiy, Roman;
Saame, Jaan;
Kaupmees, Karl;
Leito, Ivo;
Jahn, Ullrich

Publication type:

Article

On the Acidity and Reactivity of Highly Effective Chiral Brønsted Acid Catalysts: Establishment of an Acidity Scale.

Published in:

Angewandte Chemie, 2013, v. 125, n. 44, p. 11783, doi. 10.1002/ange.201303605

By:

Kaupmees, Karl;
Tolstoluzhsky, Nikita;
Raja, Sadiya;
Rueping, Magnus;
Leito, Ivo

Publication type:

Article

Application of enriched stable Hg isotope for monitoring the stability of total mercury in water samples.

Published in:

International Journal of Environmental Analytical Chemistry, 2015, v. 95, n. 1, p. 1, doi. 10.1080/03067319.2014.983493

By:

Näykki, Teemu;
Sara-Aho, Timo;
Väisänen, Tero;
Leito, Ivo

Publication type:

Article

Some small weakly coordinating anions based on carboranes.

Published in:

Proceedings of the Estonian Academy of Sciences, Chemistry, 2006, v. 55, n. 3, p. 145

By:

Lipping, Lauri;
Koppel, Ilmar A.;
Koppel, Ivar;
Leito, Ivo

Publication type:

Article

Self-consistent acidity and basicity scales in nonaqueous solvents.

Published in:

Proceedings of the Estonian Academy of Sciences, Chemistry, 2005, v. 54, n. 2, p. 94

By:

Leito, Ivo;
Kaljurand, Ivari;
Rodima, Toomas;
Kütt, Agnes;
Pihl, Aino;
Rõõm, Eva-Ingrid;
Sooväli, Lilli;
Mäemets, Vahur;
Pihl, Viljar;
Koppel, Ilmar A.

Publication type:

Article

Solvatochromism of fullerene C60 in solvent mixtures: application of the preferential solvation model.

Published in:

Proceedings of the Estonian Academy of Sciences, Chemistry, 2002, v. 51, n. 1, p. 3

By:

Pille, Urmas;
Herodes, Koit;
Leito, Ivo;
Burk, Peeter;
Pihl, Viljar;
Koppel, Ilmar

Publication type:

Article

Classification of archaeological adhesives from Eastern Europe and Urals by ATR‐FT‐IR spectroscopy and chemometric analysis.

Published in:

Archaeometry, 2022, v. 64, n. 1, p. 227, doi. 10.1111/arcm.12686

By:

Chen, Shidong;
Vahur, Signe;
Teearu, Anu;
Juus, Taisi;
Zhilin, Mikhail;
Savchenko, Svetlana;
Oshibkina, Svetlana;
Asheichyk, Vitali;
Vashanau, Aliaksandr;
Lychagina, Evgeniia;
Kashina, Ekaterina;
German, Konstantin;
Dubovtseva, Ekaterina;
Kriiska, Aivar;
Leito, Ivo;
Oras, Ester

Publication type:

Article

Effect of charged and ortho substituents on 17O NMR chemical shifts of substituted phenyl tosylates in DMSO.

Published in:

Journal of Physical Organic Chemistry, 2018, v. 31, n. 12, p. N.PAG, doi. 10.1002/poc.3870

By:

Nummert, Vilve;
Piirsalu, Mare;
Toom, Lauri;
Kesvatera, Tõnu;
Leito, Ivo;
Koppel, Ilmar A.

Publication type:

Article

Effects of neutral and charged substituents on the infrared carbonyl stretching frequencies in phenyl and alkyl benzoates in DMSO.

Published in:

Journal of Physical Organic Chemistry, 2017, v. 30, n. 3, p. n/a, doi. 10.1002/poc.3608

By:

Nummert, Vilve;
Piirsalu, Mare;
Vahur, Signe;
Toom, Lauri;
Leito, Ivo;
Koppel, Ilmar A.

Publication type:

Article

Gas-phase acidity of bis[(perfluoroalkyl)sulfonyl]imides. Effects of the perfluoroalkyl group on the acidity.

Published in:

Journal of Physical Organic Chemistry, 2014, v. 27, n. 8, p. 676, doi. 10.1002/poc.3317

By:

Zhang, Min;
Sonoda, Takaaki;
Mishima, Masaaki;
Honda, Tsunetoshi;
Leito, Ivo;
Koppel, Ilmar A.;
Bonrath, Werner;
Netscher, Thomas

Publication type:

Article

The basicity of substituted N, N-dimethylanilines in solution and in the gas phase The basicity of substituted N, N-dimethylanilines in solution and in the gas phase.

Published in:

Journal of Physical Organic Chemistry, 2013, v. 26, n. 2, p. 171, doi. 10.1002/poc.2956

By:

Kaljurand, Ivari;
Lilleorg, Roman;
Murumaa, Algis;
Mishima, Masaaki;
Burk, Peeter;
Koppel, Ivar;
Koppel, Ilmar A.;
Leito, Ivo

Publication type:

Article

Acidities of strong neutral Brønsted acids in different media Acidities of strong neutral Brønsted acids in different media.

Published in:

Journal of Physical Organic Chemistry, 2013, v. 26, n. 2, p. 162, doi. 10.1002/poc.2946

By:

Raamat, Elin;
Kaupmees, Karl;
Ovsjannikov, Gea;
Trummal, Aleksander;
Kütt, Agnes;
Saame, Jaan;
Koppel, Ivar;
Kaljurand, Ivari;
Lipping, Lauri;
Rodima, Toomas;
Pihl, Viljar;
Koppel, Ilmar A.;
Leito, Ivo

Publication type:

Article

Influence of substituents on the infrared stretching frequencies of carbonyl group in esters of benzoic acid.

Published in:

Journal of Physical Organic Chemistry, 2006, v. 19, n. 10, p. 654, doi. 10.1002/poc.1112

By:

Nummert, Vilve;
Travnikova, Oksana;
Vahur, Signe;
Leito, Ivo;
Piirsalu, Mare;
Mäemets, Vahur;
Koppel, Ivar;
Koppel, Ilmar A.

Publication type:

Article

UV-Vis spectroscopic study of the hydrophilic and solvatochromic 4-[2,6-diphenyl-4-(pyridin-4-yl)pyridinium-1-yl]-2,6-bis(pyridin-3-yl)phenolate betaine dye in aqueous tetra-n-butylammonium bromide.

Published in:

Journal of Physical Organic Chemistry, 2005, v. 18, n. 10, p. 1013, doi. 10.1002/poc.958

By:

Herodes, Koit;
Leito, Ivo;
Koppel, Juta;
Reichardt, Christian;
Koppel, Ilmar A.

Publication type:

Article

Solute-solvent and solvent-solvent interactions in binary solvent mixtures. Part 8. The ET(30) polarity of binary mixtures of formamides with hydroxylic solvents.

Published in:

Journal of Physical Organic Chemistry, 1999, v. 12, n. 2, p. 109, doi. 10.1002/(SICI)1099-1395(199902)12:2<109::AID-POC97>3.0.CO;2-L

By:

Herodes, Koit;
Leito, Ivo;
Koppel, Ilmar;
Rosés, Martí

Publication type:

Article

Solute-solvent and solvent-solvent interactions in binary solvent mixtures. 2. Effect of temperature on the ET(30) polarity parameter of dipolar hydrogen bond acceptor-hydrogen bond donor mixtures.

Published in:

Journal of Physical Organic Chemistry, 1996, v. 9, n. 6, p. 403, doi. 10.1002/(SICI)1099-1395(199606)9:6<403::AID-POC799>3.0.CO;2-D

By:

Bosch, Elisabeth;
Rosés, Martí;
Herodes, Koit;
Koppel, Ilmar;
Leito, Ivo;
Koppel, Ivar;
Taal, Veiko

Publication type:

Article

Basicity of 3-aminopropionamidine derivatives in water and dimethyl sulphoxide. Implication for a pivotal step in the synthesis of distamycin A analogues.

Published in:

Journal of Physical Organic Chemistry, 1996, v. 9, n. 5, p. 265, doi. 10.1002/(SICI)1099-1395(199605)9:5<265::AID-POC780>3.0.CO;2-4

By:

Koppel, Ilmar;
Koppel, Juta;
Leito, Ivo;
Grehn, Leif

Publication type:

Article

Evaluating Sampling Uncertainty in the Quantitative ¹H Nuclear Magnetic Resonance Analysis of Lignin.

Published in:

BioResources, 2025, v. 20, n. 1, p. 2234, doi. 10.15376/biores.20.1.2234-2242

By:

Pawade, Shrikant Shivaji;
Toom, Lauri;
Herodes, Koit;
Leito, Ivo

Publication type:

Article

Enhancement of Push-Pull Properties of Pentafulvene and Pentafulvalene Derivatives by Protonation at Carbon.

Published in:

European Journal of Organic Chemistry, 2018, v. 2018, n. 6, p. 739, doi. 10.1002/ejoc.201800039

By:

Haberland, Sophie;
Finke, Aaron D.;
Kerisit, Nicolas;
Katan, Claudine;
Trolez, Yann;
Gawel, Przemyslaw;
Leito, Ivo;
Lõkov, Märt;
Järviste, Robert;
Kaupmees, Karl;
Trapp, Nils;
Ruhlmann, Laurent;
Boudon, Corinne;
Himmel, Daniel;
Diederich, François

Publication type:

Article

Exploring Selectivity of 22 Acyclic Urea-, Carbazole- and Indolocarbazole-Based Receptors towards 11 Monocarboxylates.

Published in:

European Journal of Organic Chemistry, 2017, v. 2017, n. 35, p. 5231, doi. 10.1002/ejoc.201700931

By:

Martin, Kerli;
Nõges, Juuli;
Haav, Kristjan;
Kadam, Sandip A.;
Pung, Astrid;
Leito, Ivo

Publication type:

Article

On the Basicity of Conjugated Nitrogen Heterocycles in Different Media.

Published in:

European Journal of Organic Chemistry, 2017, v. 2017, n. 30, p. 4475, doi. 10.1002/ejoc.201700749

By:

Lõkov, Märt;
Tshepelevitsh, Sofja;
Heering, Agnes;
Plieger, Paul G.;
Vianello, Robert;
Leito, Ivo

Publication type:

Article

Multidentate Anion Receptors for Binding Glyphosate Dianion: Structure and Affinity.

Published in:

European Journal of Organic Chemistry, 2017, v. 2017, n. 11, p. 1396, doi. 10.1002/ejoc.201601583

By:

Kadam, Sandip A.;
Haav, Kristjan;
Toom, Lauri;
Pung, Astrid;
Mayeux, Charly;
Leito, Ivo

Publication type:

Article

Synthesis of Electron-Rich Sterically Hindered P1 Phosphazene Bases by the Staudinger Reaction.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 9, p. 1811, doi. 10.1002/ejoc.201201400

By:

Alexandrova, Anastasia V.;
Mašek, Tomáš;
Polyakova, Svetlana M.;
Císařová, Ivana;
Saame, Jaan;
Leito, Ivo;
Lyapkalo, Ilya M.

Publication type:

Article

Basicity of Phosphanes and Diphosphanes in Acetonitrile.

Published in:

European Journal of Organic Chemistry, 2012, v. 2012, n. 11, p. 2167, doi. 10.1002/ejoc.201200009

By:

Haav, Kristjan;
Saame, Jaan;
Kütt, Agnes;
Leito, Ivo

Publication type:

Article

Towards the electrospray ionization mass spectrometry ionization efficiency scale of organic compounds.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2008, v. 22, n. 3, p. 379, doi. 10.1002/rcm.3371

By:

Leito, Ivo;
Herodes, Koit;
Huopolainen, Merit;
Virro, Kristina;
Künnapas, Allan;
Kruve, Anneli;
Tanner, Risto

Publication type:

Article

Biphasic pKa Values.

Published in:

Croatica Chemica Acta, 2018, v. 91, n. 4, p. 599, doi. 10.5562/cca3405

By:

Selberg, Sigrid;
Tshepelevitsh, Sofja;
Leito, Ivo

Publication type:

Article

Basicities of Strong Bases in Water: A Computational Study.

Published in:

Croatica Chemica Acta, 2014, v. 87, n. 4, p. 385, doi. 10.5562/cca2472

By:

Kaupmees, Karl;
Trummal, Aleksander;
Leito, Ivo

Publication type:

Article

[4‐(Ph3B)‐2,6‐Mes2Py]−: A Sterically Demanding Anionic Pyridine.

Published in:

Chemistry - A European Journal, 2018, v. 24, n. 63, p. 16851, doi. 10.1002/chem.201803626

By:

Schmidlin, Nadja M. C.;
Lõkov, Märt;
Leito, Ivo;
Böttcher, Tobias

Publication type:

Article

Basicity of Very Weak Bases in 1,2-Dichloroethane.

Published in:

Chemistry - A European Journal, 2016, v. 22, n. 48, p. 17445, doi. 10.1002/chem.201602629

By:

Kaupmees, Karl;
Järviste, Robert;
Leito, Ivo

Publication type:

Article

Solution and Gas-Phase Acidities of all-trans (all-E) Retinoic Acid: An Experimental and Computational Study.

Published in:

Chemistry - A European Journal, 2015, v. 21, n. 31, p. 11238, doi. 10.1002/chem.201500717

By:

Abboud, José ‐ Luis M.;
Koppel, Ilmar A.;
Uggerud, Einar;
Leito, Ivo;
Koppel, Ivar;
Sekiguchi, Osamu;
Kaupmees, Karl;
Saame, Jaan;
Kütt, Karl;
Mishima, Masaaki

Publication type:

Article

Determination of neonicotinoids in Estonian honey by liquid chromatography-electrospray mass spectrometry.

Published in:

Journal of Environmental Science & Health. Part B. Pesticides, Food Contaminants & Agricultural Wastes, 2016, v. 51, n. 7, p. 455, doi. 10.1080/03601234.2016.1159457

By:

Laaniste, Asko;
Leito, Ivo;
Rebane, Riin;
Lõhmus, Rünno;
Lõhmus, Ants;
Punga, Fredrik;
Kruve, Anneli

Publication type:

Article

Toward Unified pH of Saline Solutions.

Published in:

Water (20734441), 2021, v. 13, n. 18, p. 2522, doi. 10.3390/w13182522

By:

Lainela, Silvie;
Leito, Ivo;
Heering, Agnes;
Capitaine, Gaëlle;
Anes, Bárbara;
Camões, Filomena;
Stoica, Daniela

Publication type:

Article

Dissolved Oxygen Concentration Interlaboratory Comparison: What Can We Learn?

Published in:

Water (20734441), 2013, v. 5, n. 2, p. 420, doi. 10.3390/w5020420

By:

Näykki, Teemu;
Jalukse, Lauri;
Helm, Irja;
Leito, Ivo

Publication type:

Article

Applying the unified pH scale: absolute acidities in the gas phase and anchor points for eleven representative liquid media.

Published in:

2012

By:

Goll, Sascha K.;
Himmel, Daniel;
Leito, Ivo;
Krossing, Ingo

Publication type:

Abstract

Tris(benzophenoneimino)phosphane and Related Compounds.

Published in:

European Journal of Organic Chemistry, 2023, v. 26, n. 28, p. 1, doi. 10.1002/ejoc.202300453

By:

Pikma, Marta‐Lisette;
Lõkov, Märt;
Tshepelevitsh, Sofja;
Saame, Jaan;
Haljasorg, Tõiv;
Toom, Lauri;
Selberg, Sigrid;
Leito, Ivo;
Kütt, Agnes

Publication type:

Article

Corrigendum: Strengths of Acids in Acetonitrile.

Published in:

European Journal of Organic Chemistry, 2021, v. 2021, n. 31, p. 4517, doi. 10.1002/ejoc.202100788

By:

Kütt, Agnes;
Tshepelevitsh, Sofja;
Saame, Jaan;
Lõkov, Märt;
Kaljurand, Ivari;
Selberg, Sigrid;
Leito, Ivo

Publication type:

Article

Strengths of Acids in Acetonitrile.

Published in:

European Journal of Organic Chemistry, 2021, v. 2021, n. 9, p. 1407, doi. 10.1002/ejoc.202001649

By:

Kütt, Agnes;
Tshepelevitsh, Sofja;
Saame, Jaan;
Lõkov, Märt;
Kaljurand, Ivari;
Selberg, Sigrid;
Leito, Ivo

Publication type:

Article

On the Basicity of Organic Bases in Different Media.

Published in:

European Journal of Organic Chemistry, 2019, v. 2019, n. 40, p. 6735, doi. 10.1002/ejoc.201900956

By:

Tshepelevitsh, Sofja;
Kütt, Agnes;
Lõkov, Märt;
Kaljurand, Ivari;
Saame, Jaan;
Heering, Agnes;
Plieger, Paul G.;
Vianello, Robert;
Leito, Ivo

Publication type:

Article

Cooperative Organocatalysis: A Systematic Investigation of Covalently Linked Organophosphoric Acids for the Stereoselective Transfer Hydrogenation of Quinolines.

Published in:

European Journal of Organic Chemistry, 2019, v. 2019, n. 31/32, p. 5190, doi. 10.1002/ejoc.201900548

By:

Thölke, Simon;
Zhu, Hui;
Jansen, Dennis;
Octa‐Smolin, Frescilia;
Thiele, Maike;
Kaupmees, Karl;
Leito, Ivo;
Grimme, Stefan;
Niemeyer, Jochen

Publication type:

Article

EACH Erasmus Mundus programme: advancing excellence in analytical chemistry education and industry impact.

Published in:

Analytical & Bioanalytical Chemistry, 2025, v. 417, n. 6, p. 1035, doi. 10.1007/s00216-025-05734-1

By:

Rebane, Riin;
Teearu, Anu;
Helm, Irja;
Bobacka, Johan;
Randon, Jérôme;
Bergquist, Jonas;
Leito, Ivo

Publication type:

Article