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Showing results 165 to 194 of 220

Issue DateTitleAuthor(s)Type
2010Nonlinear Hammett plots in pyridinolysis of 2,4-dinitrophenyl X-substituted benzoates: Change in RDS versus resonance contribution엄익환Article
2015Nucleophilic Substitution Reactions of 2,4-Dinitrophenyl X-Substituted-Benzenesulfonates and Y-Substituted-Phenyl 4-Nitrobenzenesulfonates with Azide Ion: Regioselectivity and Reaction Mechanism엄익환; 한소엽Article
2011Nucleophilic Substitution Reactions of Aryl Benzenesulfonates, Methanesulfonates and Related Compounds임리라Master's Thesis
2013Nucleophilic substitution reactions of phenyl y-substituted-phenyl carbonates with butane-2,3-dione monoximate and 4-chlorophenoxide: Origin of the α-effect엄익환Article
2014Nucleophilic substitution reactions of Y-Substituted-Phenyl Benzoates with Potassium Ethoxide in Anhydrous Ethanol: Reaction Mechanism and Role of K+ Ion엄익환Article
2009Origin of the α-effect in aminolysis of y-substituted phenyl diphenylphosphinates: Ground-state versus transition-state contribution엄익환Article
2013Origin of the α-effect in detoxification of paraoxon and parathion by hydrogen peroxide anion엄익환Article
2009Origin of the α-effect in nucleophilic substitution reactions of y-substituted phenyl benzoates with butane-2,3-dione monoximate and z-substituted phenoxides: Ground-state destabilization vs. transition-state stabilization엄익환Article
2010Piperidinolysis of 4-Nitrophenyl X-Substituted benzenesulfonates and related compounds: Effect of changing leaving group and electrophilic center엄익환Article
2010Pitfalls in assessing the α-effect: Reactions of substituted phenyl methanesulfonates with HOO-, OH-, and substituted phenoxides in H2O엄익환Article
2010Pyridinolyses of 2,4-dinitrophenyl phenyl carbonate and 2,4-dinitrophenyl benzoate: Effect of nonleaving group on reactivity and mechanism엄익환Article
2011Pyridinolysis of 2,4-dinitrophenyl phenyl thionocarbonate: Effect of changing electrophilic center from c=o to c=s on reactivity and mechanism엄익환Article
2008Reaction Mechanism and Structure of Transition State Determined from Analysis of Bronsted beta(nuc) for Aminolysis of 4-Nitrophenyl Diphenylphosphinate엄익환Article
2003Regioselectivity and the nature of the reaction mechanism in nucleophilic substitution reactions of 2,4-dinitrophenyl X-substituted benzenesulfonates with primary amines엄익환Article
2002Reinterpretation of curved hammett plots in reaction of nucleophiles with aryl benzoates: Change in rate-determining step or mechanism versus ground-state stabilization엄익환Article
2001Remarkable catalytic effect of H+ in Michael-type additions of anilines to 3-butyn-2-one엄익환Article
2015S<inf>N</inf>Ar 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 inhibition엄익환Article
2003Significant and differential acceleration of dephosphorylation of the insecticides, paraoxon and parathion, caused by alkali metal ethoxides엄익환Article
1992Solvent effect on rate for anionic nucleophilic substitution reaction of 4-nitrophenyl acetate in aqueous acetonitrile권동숙; 엄익환Article
2001Solvent effect on the α-effect for the reactions of aryl acetates with butane-2,3-dione monoximate and p-chlorophenoxide in MeCN-H2O mixtures엄익환Article
2006Solvent effect on the α-effect: Ground-state versus transition-state effects; a combined calorimetric and kinetic investigation엄익환Article
2013Structure-reactivity correlations in nucleophilic displacement reactions of Y-substituted-phenyl X-substituted-cinnamates with Z-substituted-phenoxides엄익환Article
2006Structure-Reactivity Correlations in Nucleophilic Substitution Reactions of Aryl Benzoates and Thionobenzoates이지연Master's Thesis
2006Structure-reactivity correlations in nucleophilic substitution reactions of Y-substituted phenyl X-substituted benzoates with anionic and neutral nucleophiles엄익환Article
1999Structure-reactivity correlations in the reaction of 2,4-dinitrophenyl X-substituted benzoates with alicyclic secondary amines엄익환Article
2015The alpha-effect in the SNAr reaction of 1-(4-nitrophenoxy)-2,4-dinitrobenzene with anionic nucleophiles: effects of solvation and polarizability on the alpha-effect엄익환Article
2001The catalytic effect of alkali metal ions on reactions of 8-(5-nitroquinolyl) 2-furoate with alkali metal ethoxides in anhydrous ethanol엄익환Article
1997The Effect of Acyl Substituent on the α-Effect in the Aminolysis of p-Nitrophenyl X-Substituted Benzoates권동숙; 엄익환Article
2001The effect of acyl substituents on the α-effect: Contrasting α-effect profiles for reactions of 4-nitrophenyl substituted benzoates with neutral and anionic nucleophiles엄익환Article
1998The Effect of Alkali Metal Ions on Acyl-Transfer Reactions: Unusually High Na+ Ion Selectivity in the Reaction of 8-(5-Nitroquinolyl) Benzoate with Alkali Metal Ethoxides in Ethanol엄익환Article