2001 | Ground-state versus transition-state effects on the α-effect as expressed by solvent effects [24] | 엄익환 | Letter |
2019 | Hydrazinolysis of aryl cinnamates and related esters: the alpha-effect arises from stabilization of five-membered cyclic transition state | 엄익환 | Article |
2011 | Hydrolysis of 1-(X-substituted-benzoyl)-4-aminopyridinium ions: Effect of substituent X on reactivity and reaction mechanism | 엄익환 | Article |
2014 | 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 | 엄익환 | Article |
2015 | Kinetic and mechanistic studies on quinuclidinolysis of Y-substituted-phenyl picolinates: Effect of amine nature on reactivity and transition- state structure | 엄익환 | Article |
2011 | Kinetic and theoretical studies on alkaline ethanolysis of 4-nitrophenyl salicylate: Effect of alkali metal ions on reactivity and mechanism | 엄익환 | Article |
2010 | Kinetic and theoretical studies on pyridinolysis of 2,4-dinitrophenyl X-substituted benzoates: Effect of substituent X on reactivity and mechanism | 엄익환 | Article |
2009 | Kinetic studies on nucleophilic substitution reactions of O-Aryl thionobenzoates with azide, cyanide, and hydroxide: Contrasting reactivity and mechanism | 엄익환 | Article |
2017 | Kinetic Study on Alkaline Hydrolysis of 2-Pyridyl and 4-Pyridyl X-substituted-Benzoates: Effects of Benzoyl Substituent X and Leaving-Group Basicity on Reactivity and Reaction Mechanism | 엄익환 | Article |
2015 | Kinetic study on alkaline hydrolysis of Y-substituted phenyl picolinates: Effects of modification of nonleaving group from benzoyl to picolinyl on reactivity and reaction mechanism | 엄익환 | Article |
2015 | Kinetic study on alkaline hydrolysis of Y-substituted phenyl X-substituted benzenesulfonates: Effects of changing nucleophile from azide to hydroxide ion on reactivity and transition-state structure | 엄익환; 한소엽 | Article |
2014 | Kinetic study on aminolysis of 2-chloro-4-nitrophenyl x-substituted-benzoates in acetonitrile and in H2O Containing 20mol% DMSO: Effects of medium and substituent X on reactivity and reaction mechanism | 엄익환 | Article |
2014 | Kinetic study on aminolysis of 4-chloro-2-nitrophenyl X-substituted-benzoates in Acetonitrile and in 80 mol % H2O/20 mol % DMSO: Effect of medium on reactivity and reaction mechanism | 엄익환 | Article |
2014 | Kinetic study on aminolysis of 4-nitrophenyl 2-pyridyl carbonate in acetonitrile: Kinetic evidence for a stepwise mechanism with two intermediates | 엄익환 | Article |
2014 | Kinetic Study on Aminolysis of 4-Nitrophenyl Isonicotinate in Acetonitrile: Effect of Amine Basicity on Reactivity and Reaction Mechanism | 엄익환 | Article |
2014 | Kinetic study on aminolysis of 4-nitrophenyl nicotinate and isonicotinate: Factors influencing reactivity and reaction mechanism | 엄익환 | Article |
2016 | Kinetic Study on Aminolysis of 4-Pyridyl Benzoate and O-4-Pyridyl Thionobenzoate in Acetonitrile: Factors Influencing Reactivity and Reaction Mechanism | 엄익환 | Article |
2011 | Kinetic study on aminolysis of 4-pyridyl X-substituted benzoates: Effect of substituent X on reactivity and reaction mechanism | 엄익환 | Article |
2019 | Kinetic study on aminolysis of aryl X-substituted-cinnamates in acetonitrile: differential medium effect determines reactivity and reaction mechanism | 엄익환 | Article |
2016 | Kinetic Study on Aminolysis of O-2-Pyridyl Thionobenzoate in Acetonitrile: Effect of Changing Electrophilic Center from C=O to C=S on Reactivity and Reaction Mechanism | 엄익환 | Article |
2014 | Kinetic Study on Aminolysis of Phenyl 2-Pyridyl Carbonate in Acetonitrile: Effect of Intramolecular H-bonding Interaction on Reactivity and Reaction Mechanism | 엄익환 | Article |
2014 | Kinetic study on aminolysis of y-substituted-phenyl picolinates: Effect of h-bonding interaction on reactivity and transition-state structure | 엄익환 | Article |
2014 | Kinetic study on aminolysis of y-substituted-phenyl x-substituted- benzoates: Effects of substituents x and y on reactivity and reaction mechanism | 엄익환 | Article |
2008 | Kinetic study on Michael-type reactions of 1-phenyl-2-propyn-1-one with alicyclic secondary amines: Effect of medium on reactivity and mechanism | 엄익환 | Article |
2013 | Kinetic study on michael-type reactions of β-nitrostyrenes with cyclic secondary amines in acetonitrile: Transition-state structures and reaction mechanism deduced from negative enthalpy of activation and analyses of LFERs | 엄익환; 박종윤 | Article |
2014 | Kinetic study on nucleophilic displacement reactions of 2-chloro-4-nitrophenyl x-substituted-benzoates with primary amines: Reaction mechanism and origin of the a-effect | 엄익환 | Article |
2016 | Kinetic Study on Nucleophilic Displacement Reactions of Phenyl Y-Substituted Phenyl Carbonates with 1,8-Diazabicyclo[5.4.0]undec-7-ene: Effects of Amine Nature on Reaction Mechanism | 엄익환 | Article |
2013 | Kinetic study on nucleophilic displacement reactions of y-substituted-phenyl 2-methylbenzoates with cyclic secondary amines in acetonitrile: Effects of modification of 2-meo in benzoyl moiety by 2-me on reactivity and reaction mechanism | 엄익환 | Article |
2014 | 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 | 엄익환 | Article |
2013 | Kinetic study on nucleophilic substitution reactions of 4-Chloro-2-nitrophenyl X-Substituted-benzoates with cyclic secondary Amines: Effect of substituent X on reactivity and reaction mechanism | 엄익환 | Article |