Sam‐Rok Keum

Thermo- and photochromic dyes: indolino-benzospiropyrans. Part 1. UV–VIS spectroscopic studies of 1,3,3-spiro(2<i>H</i>-1-benzopyran-2,2′-indolines) and the open-chain merocyanine forms; solvatochromism and medium effects on spiro ring formation

Sam‐Rok Keum, Mun-Suk Hur, Peter M. Kazmaier et al. · Canadian Journal of Chemistry · 1991 · 110 citations

Natural Sciences, Chemistry, Organic Chemistry +15

A novel method for measurement of the merocyanine-spiropyran interconversion in non-activated 1, 3, 3-trimethylspiro- (2H-1-benzopyran-2, 2′-indoline) derivatives

Sam‐Rok Keum, Ki Bong Lee, Peter M. Kazmaier et al. · Tetrahedron Letters · 1994 · 63 citations

Natural Sciences, Chemistry, Medicinal Chemistry +4

Synthesis and properties of spiroxazine polymer having photocrosslinkable chalcone moiety

Sung-Hoon Kim, Chi-Hee Ahn, Sam‐Rok Keum et al. · Dyes and Pigments · 2004 · 45 citations

Natural Sciences, Chemistry, Materials Science +12

Thermo‐ and photochromic dyes: Spiro(indolinebenzopyrans). 2—detailed assignment of the ¹H NMR spectra and structural aspects of the closed form of 1,3,3‐trimethylspiro(indoline‐2,2′‐benzopyrans)

Sam‐Rok Keum, Ki Bong Lee, Peter M. Kazmaier et al. · Magnetic Resonance in Chemistry · 1992 · 44 citations

Natural Sciences, Biochemistry, Chemistry +11

Synthesis, Structure, and DFT Calculation of (Phosphino-<i>o</i>-carboranyl)silyl Group 10 Metal Complexes:  Formation of Stable<i>trans</i>-Bis(<i>P,Si</i>-chelate)metal Complexes

Young Ju Lee, Jong‐Dae Lee, Sung Joon Kim et al. · Organometallics · 2003 · 37 citations

Natural Sciences, Chemistry, Computational Chemistry +12