Hae Sung Chang

Facile Synthesis of 2-Substituted Aminobenzoxazole. One Pot Cyclodesulfurization of <i>N</i>-(2-Hydroxyphenyl)-<i>N</i>′-phenylthioureas with Superoxide Radical Anion

Hae Sung Chang, Gyu Hwan Yon, Yong Hae Kim · Chemistry Letters · 1986 · 40 citations

Engineering, Facile Synthesis, 2-Substituted Aminobenzoxazole +9

FACILE SYNTHESIS OF α-KETOCARBONYL COMPOUNDS FROM α-HYDROXYCARBONYL COMPOUNDS

Hae Sung Chang, Jae Chun Woo, Kyoung Mo Lee et al. · Synthetic Communications · 2002 · 18 citations

Chemical Engineering, Engineering, Hcl Catalyst +11

Synthesis of (1R,3R,5S)-1-Amino-3-(hydroxymethyl)bicyclo[3.1.0]hexane as a Precursor for the Synthesis of Carbocyclic Nucleosides

Hae Sung Chang, Stephen C. Bergmeier, J Frick et al. · The Journal of Organic Chemistry · 1994 · 17 citations

Bioorganic Chemistry, Engineering, Altmetric Attention Score +16

Facile conversion of tosylhydrazones to the carbonyl compounds using peroxysulfur intermediate

Yong Hae Kim, Hyeon Kyu Lee, Hae Sung Chang · Tetrahedron Letters · 1987 · 16 citations

Chemical Engineering, Engineering, Peroxysulfur Intermediate +7

Activation of superoxide; efficient desulphurization of thioamides to the corresponding amides using a peroxyphosphorus intermediate generated from phenylphosphonic dichloride and superoxide

Yong Hae Kim, Sang Chul Lim, Hae Sung Chang · Journal of the Chemical Society Chemical Communications · 1990 · 10 citations

Derivative (Chemistry), Enantioselective Synthesis, Biochemistry +11