Collection of Czechoslovak Chemical Communications - digital archive 

Crossref Cited-by Linking

• Um Ik-Hwan, Kang Ji-Sun, Dust Julian M.: Alkali metal ion catalysis and inhibition in alkaline ethanolysis of O-Y-substituted-phenyl O-phenyl thionocarbonates: contrasting M+ ion effects upon changing electrophilic centre from C=O to C=S. Can. J. Chem. 2017, 95, 45. <https://doi.org/10.1139/cjc-2016-0378>
• Yang Kiyull, Kim Min‐Young, Um Ik‐Hwan: SNAr Reactions of 1‐Halo‐2,4‐dinitrobenzenes with Alkali‐Metal Ethoxides: Differential Stabilization of Ground State and Transition State Determines Alkali‐Metal Ion Catalysis or Inhibition. Bulletin Korean Chem Soc 2015, 36, 1812. <https://doi.org/10.1002/bkcs.10344>
• Um Ik‐Hwan, Cho Hyo‐Jin, Kim Min‐Young, Buncel Erwin: Alkali‐Metal Ion Catalysis and Inhibition in SNAr Displacement: Relative Stabilization of Ground State and Transition State Determines Catalysis and Inhibition in SNAr Reactivity. Chemistry A European J 2014, 20, 13337. <https://doi.org/10.1002/chem.201404004>
• Kim Song-I, Cho Hyo-Jin, Um Ik-Hwan: Nucleophilic Substitution Reactions of Y-Substituted-Phenyl Benzoates with Potassium Ethoxide in Anhydrous Ethanol: Reaction Mechanism and Role of K+Ion. Bulletin of the Korean Chemical Society 2014, 35, 177. <https://doi.org/10.5012/bkcs.2014.35.1.177>
• Kim Song-I, Kim Min-Young, Um Ik-Hwan: Kinetic Study on Nucleophilic Substitution Reactions of 4-Nitrophenyl X-Substituted-Benzoates with Potassium Ethoxide: Reaction Mechanism and Role of K+Ion. Bulletin of the Korean Chemical Society 2014, 35, 225. <https://doi.org/10.5012/bkcs.2014.35.1.225>
• Jeon Seong Hoon, Yoon Jung Hwan, Kim Min-Young, Um Ik-Hwan: Alkali-Metal Ion Catalysis in Nucleophilic Substitution Reactions of 5-Nitro-8-quinolyl Picolinate with Alkali Metal Ethoxides: Effect of Modification of Nonleaving Group from Benzoyl to Picolinyl on Reactivity and Transition State Structure. Bulletin of the Korean Chemical Society 2014, 35, 1506. <https://doi.org/10.5012/bkcs.2014.35.5.1506>
• Im Hyun-Ju, Lee Jieun, Kim Mi-Yeon, Um Ik-Hwan: 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. Bulletin of the Korean Chemical Society 2014, 35, 1749. <https://doi.org/10.5012/bkcs.2014.35.6.1749>
• Lee Jieun, Kim Min-Young, Um Ik-Hwan: Kinetic Study on Nucleophilic Substitution Reaction of 5-Nitro-8-quinolyl Benzoate, Picolinate, Nicotinate and Isonicotinate with Alkali Metal Ethoxide: Effect of Nonleaving Group on Reactivity and Transition State Structure. Bulletin of the Korean Chemical Society 2014, 35, 1789. <https://doi.org/10.5012/bkcs.2014.35.6.1789>
• Kim Min-Young, Ha Gyu Ho, Um Ik-Hwan: Alkali-Metal Ion Catalysis and Inhibition in SNAr Reaction of 1-Halo-2,4-dinitrobenzenes with Alkali-Metal Ethoxides in Anhydrous Ethanol. Bulletin of the Korean Chemical Society 2014, 35, 2438. <https://doi.org/10.5012/bkcs.2014.35.8.2438>
• Um Ik-Hwan, Kang Ji-Sun, Shin Young-Hee, Buncel Erwin: A Kinetic Study on Nucleophilic Displacement Reactions of Aryl Benzenesulfonates with Potassium Ethoxide: Role of K+ Ion and Reaction Mechanism Deduced from Analyses of LFERs and Activation Parameters. J. Org. Chem. 2013, 78, 490. <https://doi.org/10.1021/jo302373y>
• Um Ik-Hwan, Kang Ji-Sun, Shin Minah: Alkali-Metal Ion Catalysis and Inhibition in Nucleophilic Displacement Reaction of O-Ethyl O-4-Nitrophenyl Phenylphosphonothioate with Alkali-Metal Ethoxides. Bulletin of the Chemical Society of Japan 2013, 86, 736. <https://doi.org/10.1246/bcsj.20130015>
• Um Ik-Hwan, Song Yoon-Ju, Kim Min-Young, Lee Jae-In: Metal-Ion Catalysis in Alkaline Ethanolysis of 2-Pyridyl Thionobenzoate: Effects of Modification of Electrophilic Center from C=O to C=S. Bulletin of the Korean Chemical Society 2013, 34, 1525. <https://doi.org/10.5012/bkcs.2013.34.5.1525>
• Um Ik‐Hwan, Shin Young‐Hee, Park Jee‐Eun, Kang Ji‐Sun, Buncel Erwin: Alkali‐Metal‐Ion Catalysis and Inhibition in the Nucleophilic Displacement Reaction of Y‐Substituted Phenyl Diphenylphosphinates and Diphenylphosphinothioates with Alkali‐Metal Ethoxides: Effect of Changing the Electrophilic Center from PO to PS. Chemistry A European J 2012, 18, 961. <https://doi.org/10.1002/chem.201102404>
• Um Ik-Hwan, Seo Ji-Yoon, Kang Ji-Sun, An Jun-Sung: A Kinetic Study on Nucleophilic Displacement Reactions of Phenyl Y-Substituted-Phenyl Carbonates with Alkali Metal Ethoxides: Metal Ion Effect and Reaction Mechanism. Bulletin of the Chemical Society of Japan 2012, 85, 1007. <https://doi.org/10.1246/bcsj.20120104>
• Um Ik-Hwan, Kang Ji-Sun, Kim Chae-Won, Lee Jae-In: Alkali-Metal Ion Catalysis in Alkaline Ethanolysis of 2-Pyridyl Benzoate and Benzyl 2-Pyridyl Carbonate: Effect of Modification of Nonleaving Group from Benzoyl to Benzyloxycarbonyl. Bull Kor Chem Soc 2012, 33, 519. <https://doi.org/10.5012/bkcs.2012.33.2.519>
• Um Ik‐Hwan, Seo Jin‐A, Mishima Masaaki: Kinetic and Theoretical Studies on Alkaline Ethanolysis of 4‐Nitrophenyl Salicylate: Effect of Alkali Metal Ions on Reactivity and Mechanism. Chemistry A European J 2011, 17, 3021. <https://doi.org/10.1002/chem.201002692>
• Choi Seo-Young, Hong Yeon-Ju, Um Ik-Hwan: Metal Ion Catalysis and Inhibition in Nucleophilic Substitution Reactions of 4-Nitrophenyl Nicotinate and Isonicotinate with Alkali Metal Ethoxides in Anhydrous Ethanol. Bull Kor Chem Soc 2011, 32, 1951. <https://doi.org/10.5012/bkcs.2011.32.6.1951>
• An Jun-Sung, NamKoong Gil, Kang Ji-Sun, Um Ik-Hwan: Alkali Metal Ion Catalysis and Inhibition in Nucleophilic Substitution Reactions of 3,4-Dinitrophenyl Diphenylphosphinothioate with Alkali Metal Ethoxides in Anhydrous Ethanol: Effect of Changing Electrophilic Center from P=O to P=S. Bull Kor Chem Soc 2011, 32, 2423. <https://doi.org/10.5012/bkcs.2011.32.7.2423>
• Hull John W., Coppens Kenneth R., Hucul Dennis A., Patel Avani M., Calverley Edward M., Zoellner Michael J.: Extending the Lifetime of a Hydrogenation Catalyst by Removal of Lithium Alkoxide from Styrene−Butadiene Block Copolymers Using Filtration. Macromolecules 2001, 34, 8394. <https://doi.org/10.1021/ma0111921>
• Balakrishnan Vimal K, Dust Julian M, vanLoon Gary W, Buncel Erwin: Catalytic pathways in the ethanolysis of fenitrothion, an organophosphorothioate pesticide. A dichotomy in the behaviour of crown/cryptand cation complexing agents. Can. J. Chem. 2001, 79, 157. <https://doi.org/10.1139/v01-006>
• Smith Peter James, Crowe David AJ, Westaway Kenneth Charles: Using secondary alpha deuterium kinetic isotope effects to determine the stereochemistry of an E2 reaction; the stereochemistry of the E2 reaction of 1-chloro-2-phenylethane with potassium tert-butoxide in tert-butyl alcohol. Can. J. Chem. 2001, 79, 1145. <https://doi.org/10.1139/v01-086>