Sun‐Kun Bae

Aminolysis of Y-Substituted Phenyl X-Substituted Benzoates with Piperidine:  Effect of Nonleaving Group Substituent

Ik‐Hwan Um, Jiyoun Lee, Seung-Hak Ko et al. · The Journal of Organic Chemistry · 2006 · 75 citations

Natural Sciences, Chemistry, Chemical Kinetics +7

Aminolysis of <i>O</i>-Aryl Thionobenzoates: Amine Basicity Combines with Modulation of the Nature of Substituents in the Leaving Group and Thionobenzoate Moiety to Control the Reaction Mechanism

Ik‐Hwan Um, So-Jeong Hwang, Sora Yoon et al. · The Journal of Organic Chemistry · 2008 · 72 citations

Natural Sciences, Chemistry, Catalysis +6

The Effect of Medium on Rate and Mechanism:  Aminolysis of <i>O</i>-4-Nitrophenyl Thionobenzoate in MeCN and H₂O

Ik‐Hwan Um, Jin-A Seok, Han-Tae Kim et al. · The Journal of Organic Chemistry · 2003 · 68 citations

Natural Sciences, Chemistry, Chemical Kinetics +14

Regioselectivity and the Nature of the Reaction Mechanism in Nucleophilic Substitution Reactions of 2,4-Dinitrophenyl X-Substituted Benzenesulfonates with Primary Amines

Ik‐Hwan Um, Jin-Young Hong, Kim Jung-Joo et al. · The Journal of Organic Chemistry · 2003 · 63 citations

Natural Sciences, Chemistry, Chemical Kinetics +13

Curved Hammett Plot in Alkaline Hydrolysis of <i>O</i>-Aryl Thionobenzoates:  Change in Rate-Determining Step versus Ground-State Stabilization

Ik‐Hwan Um, Jiyoun Lee, Han-Tae Kim et al. · The Journal of Organic Chemistry · 2004 · 43 citations

Natural Sciences, Biochemistry, Chemistry +17