| 1996 | The effect of alkali metal ions on nucleophilic substitution reactions of p- and m-nitrophenyl 2-thiophenenates with alkali metal ethoxides in absolute ethanol | 권동숙; 엄익환 | Article |
| 2001 | The effect of alkali metal ions on reactions of 8-(5-nitroquinolyl) 3-furoate with alkali metal ethoxides in anhydrous ethanol | 엄익환 | Article |
| 1992 | The effect of alkali metal ions on the reaction of 4-nitrophenyl diphenylphosphinate with aryloxides in ethanol | 권동숙; 안병태; 엄익환 | Article |
| 2003 | The effect of medium on rate and mechanism: Aminolysis of O-4-nitrophenyl thionobenzoate in MeCN and H2O | 엄익환 | Article |
| 2002 | The effect of medium on the alpha-effect: Nucleophilic substitution reaction of p-nitrophenyl diphenyl phosphinate with butane-2,3-dione monoximate and substituted phenoxides in cationic micelles | 엄익환; 임진경 | Article |
| 1999 | The effect of solvent on reaction rates and equilibria for the reactions of p-nitrophenyl acetate with alicyclic secondary amines in H2O and DMSO | 엄익환 | Article |
| 1996 | The effect of solvent on reactions of p-nitrophenyl acetate with alicyclic secondary amines and with anionic nucleophiles in MeCN-H2O mixtures of varying compositions | 권동숙; 엄익환 | Article |
| 2001 | The effect of solvent on the alpha-effect: C=O, P=O and SO2 centers | 엄익환 | Article |
| 2000 | The effect of solvent on the alpha-effect: the MeCN-H2O solvent system | 엄익환 | Article |
| 1995 | The effect of solvent on the α-effect: Abnormal nucleophilic reactivity of substituted acetophenone oximate anions in aqueous DMSO | 권동숙; 엄익환 | Article |
| 2001 | The effect of solvent on the α-effect: C=O, P=O and SO2 centers | 엄익환 | Article |
| 2000 | The origin of the alpha-effect: Reactions of p-nitrophenyl X-substituted benzenesulfonates with butane-2,3-dione monoximate and p-chlorophenoxide | 엄익환 | Article |
| 2000 | The origin of the α-effect: Dissection of ground-state and transition- state contributions | 엄익환 | Article |
| 2004 | The α-effect and its modulation by solvent | 엄익환 | Article |
| 2009 | The α-effect and mechanism of reactions of Y-substituted phenyl benzenesulfonates with hydrogen peroxide ion | 엄익환 | Article |
| 2014 | The α-effect in hydrazinolysis of 4-chloro-2-nitrophenyl x-substituted-benzoates: Effect of substituent x on reaction mechanism and the α-effect | 엄익환 | Article |
| 2013 | The α-effect in nucleophilic substitution reactions of Y-substituted-phenyl diphenylphosphinates with HOO- and OH - | 엄익환 | Article |
| 2013 | The α-effect in nucleophilic substitution reactions of Y-substituted-Phenyl X-substituted-cinnamates with Butane-2,3-dione monoximate | 엄익환 | Article |
| 2005 | The α-effect in reactions of sp-hybridized carbon atom: Michael-type reactions of 1-aryl-2-propyn-1-ones with primary amines | 엄익환 | Article |
| 2014 | The α-effect in SNar reaction of 1-fluoro-2,4- dinitrobenzene with hydrazine: Ground-state destabilization versus transition-state stabilization | 엄익환 | Article |
| 2014 | The α-effect in SNar reaction of y-substituted-phenoxy-2, 4-dinitrobenzenes with amines: Reaction mechanism and origin of the α-effect | 엄익환 | Article |
| 2018 | Unexpected medium effect on the mechanism for aminolysis of aryl phenyl carbonates in acetonitrile and H2O: transition-state structure in the catalytic pathway | 엄익환 | Article |
