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Author:Koppel, I.A.

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16 matching references were found.

Koppel, I.A.; Molder, U.H.; Pikver, R.J., Photoelectron spectra of molecules. I. Alcohols, Org. React. Tartu, 1983, 20, 45. [all data]

Molder, U.H.; Pikver, R.J.; Koppel, I.A., Photoelectron spectra of molecules. 2. Ethers, Org. React. (N.Y. Engl. Transl.), 1983, 20, 208. [all data]

Molder, U.H.; Pikver, R.J.; Koppel, I.A., Photoelectron spectra of molecules. 3. Nitriles, Org. React. Tartu, 1983, 20, 230. [all data]

Molder, U.H.; Pikver, R.J.; Koppel, I.A., Photoelectron spectra of molecules. 4. Amines, Org. React. Tartu, 1983, 20, 355. [all data]

Herrero, R.; Davalos, J.Z.; Abboud, J.L.M.; Alkorta, I.; Koppel, I.; Koppel, I.A.; Sonoda, T.; Mishima, M., The intrinsic (gas-phase) acidities of bridgehead alcohols - An experimental (FT-ICR) and computational study, 5Int. J. Mass Spectrom., 2007, 267, 1-3, 302-307, https://doi.org/10.1016/j.ijms.2007.02.056 . [all data]

Zhang, M.; Badal, M.M.R.; Koppel, I.A.; Mishima, M., Gas-Phase Acidities of alpha- and alpha,alpha-SO2CF3-Substituted Toluenes. Varying Resonance Demand in the Electron-Rich System, Bull. Chem. Soc. Japan, 2013, 86, 7, 813-820, https://doi.org/10.1246/bcsj.20130052 . [all data]

Koppel, I.A.; Taft, R.W.; Anvia, F.; Zhu, S.Z.; Hu, L.Q.; Sung, K.S.; Desmarteau, D.D.; Yagupolskii, L.M., The Gas-Phase Acidities of Very Strong Neutral Bronsted Acids, J. Am. Chem. Soc., 1994, 116, 7, 3047, https://doi.org/10.1021/ja00086a038 . [all data]

Koppel, I.A.; Pihl, V.; Koppel, I.A.; Anvia, F.; Taft, R.W., Thermodynamic acidity of (CF3)3CH and 1H-undecafluorobicyclo[2.2.1]heptane: The concept of anionic (fluorine) hyperconjugation, J. Am. Chem. Soc., 1994, 116, 19, 8654, https://doi.org/10.1021/ja00098a027 . [all data]

Koppel, I.A.; Koppel, J.; Pihl, V.; Leito, I.; Mishima, M.; Vlasov, V.M.; Yagupolskii, L.M.; Taft, R.W., Comparison of Bronsted acidities of neutral CH acids in gas phase and dimethyl sulfoxide, J. Chem. Soc. Perkin Trans., 2000, 2, 6, 1125-1133, https://doi.org/10.1039/b001792m . [all data]

Koppel, I.A.; Koppel, J.; Leito, I.; Koppel, I.; Mishima, M.; Yagupolskii, L.M., The enormous acidifying effect of the supersubstituent =NSO2CF3 on the acidity of derivatives of benzenesulfonamide and toluene-p-sulfonamide in the gas phase and in dimethyl sulfoxide, J. Chem. Soc. Perkin Trans., 2001, 2, 2, 229-232, https://doi.org/10.1039/b005765g . [all data]

Burk, P.; Koppel, I.A.; Rummel, A.; Trummal, A., Can O-H acid be more acidic than its S-H analog? A G2 study of fluoromethanols and fluoromethanethiols, J. Phys. Chem. A, 2000, 104, 7, 1602-1607, https://doi.org/10.1021/jp993487a . [all data]

Guerrero, A.; Herrero, R.; Davalos, J.Z.; Koppel, I.; Abboud, J.L.M.; Chana, A.; Koppel, I.A., Hydrogen-Bonding Interactions of (CF3)(3)CH and (CF3)(3)C- in the Gas Phase. An Experimental (FT-ICR) and Computational Study, J. Phys. Chem. A, 2009, 113, 23, 6422-6429, https://doi.org/10.1021/jp811057m . [all data]

Leito, I.; Raamat, E.; Kutt, A.; Saame, J.; Kipper, K.; Koppel, I.A.; Koppel, I.; Zhang, M.; Mishima, M.; Yagupolskii, L.M.; Garlyauskayte, R.Y.; Filatov, A.A., Revision of the Gas-Phase Acidity Scale below 300 kcal mol(-1), J. Phys. Chem. A, 2009, 113, 29, 8421-8424, https://doi.org/10.1021/jp903780k . [all data]

Abboud, J.L.M.; Koppel, I.A.; Koppel, I., Additivity of substituent effects on the acidity of alcohols, J. Phys. Org. Chem., 2013, 26, 6, 467-472, https://doi.org/10.1002/poc.3110 . [all data]

Koppel, I.A.; Mishima, M.; Stock, L.M.; Taft, R.W.; Topsom, R.D., Acidities of 4-Substituted Benzoic, Bicyclo[2.2.2]Oct-1-yl and Bicyclo[2.2.2]Oct-2-enyl Carboxylic Acids, J. Phys. Org. Chem., 1993, 6, 12, 685, https://doi.org/10.1002/poc.610061205 . [all data]

Koppel, I.A.; Taft, R.U.; Anviya, F.; Kondratenko, N.V.; Yagupolskii, L.M., Superstrong Electron-Acceptor Substituents and Gas Phase Superacidity, Russ. J. Org. Chem., 1992, 28, 1764. [all data]