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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 28, Number 7
BKCSDE 28(7)
July 20, 2007 

 

1085  

The Formation of Spiro-β-lactams and Amides from Reaction of Cyclic Ketenes with Imines
Sun Joo Oh, Ki-Hoon Jung, Byung-Hyun Moon, Chuljin Ahn*
Keywords: Spiro-β-lactam, [2+2] Cycloaddition, Cyclic ketenes, Imines, Amide
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1085

Abstract | Full Text: PDF


1087  

Rapid Autoxidation of Phenol Derivative under Atmospheric Pressure of Molecular Oxygen
Seokwon Jung, Seung Wook Ham*
Keywords: Phenol, Autoxidation, Electron transfer mechanism, Cyclopropyl radical
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1087

Abstract | Full Text: PDF


1089  

Co-Catalyzed Tandem Pauson-Khand Type Reaction/Dimerization of Terminal Diynes in the Presence of Cyclopentadiene under CO Pressure
Do Han Kim, Young Keun Chung*, Jin Wook Han*
Keywords: Tandem reaction, Pauson-Khand reaction, Cycloaddition, Diyne, Co catalyst
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1089

Abstract | Full Text: PDF


1091  

Syntheses and Optical Properties of the Water-Dispersible ZnS:Mn Nanocrystals Surface Capped by L-Aminoacid Ligands: Arginine, Cysteine, Histidine, and Methionine
Ju Ho Lee, Yong Ah Kim, Kimoon Kim, Young Duk Huh, June Won Hyun, H. S. Kim, S. J. Noh, Cheong-Soo Hwang*
Keywords: ZnS:Mn nanocrystal, Aminoacid capping, Water soluble nanocrystal, Orange emitting nanophosphor
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1091

Abstract | Full Text: PDF


1097  

Novel Phosphotungstate-titania Nanocomposites from Aqueous Media
Jae-Hun Yang, Min-Kyung Kim, Ji-Hyun Son, Hyun-Jung Cho, Young-Uk Kwon*
Keywords: Electrostatic interaction, Intercluster salts, Nanocomposite, Phospotungstate, Titania nanoparticle
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1097

Abstract | Full Text: PDF


1104  

Preparation, Characterization and Low Frequency a.c. Conduction of Polypyrrole-Lead Titanate Composites
C. Basavaraja, Young Min Choi, Hyun Tae Park, Do Sung Huh*, Jae Wook Lee, M. Revanasiddappa, S. C. Raghavendra, S. Khasim,T. K. Vishnuvardhan
Keywords: Composites, Polypyrrole, Conductivity, Dielectric behavior
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1104

Abstract | Full Text: PDF


1109  

Expression of Acetohydroxyacid Synthase from Bacillus anthracis and Its Potent Inhibitors
Kyoung-Jae Choi, Chien Ngoc Pham, Hoeil Jung, Sung-Hwan Han, Jung-Do Choi, Jinheung Kim, Moon-Young Yoon*
Keywords: Acetohydroxyacid synthase, Herbicides, Resistance, Kinetic parameters
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1109

Abstract | Full Text: PDF


1114  

Synthesis and Biological Evaluation of Furo[2,3-d]pyrimidines as Akt1 Kinase Inhibitors
Se Young Kim, Dong Jin Kim, Beom Seok Yang, Kyung Ho Yoo*
Keywords: Akt1 kinase, Inhibitory activity, Furo[2,3-d]pyrimidines
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1114

Abstract | Full Text: PDF


1119  

Production of Hydrogen and Carbon Nanotubes from Catalytic Decomposition of Methane over Ni:Cu/Alumina Modified Supported Catalysts
Tajammul Hussain*, Mohammed Mazhar, Sarwat Iqbal, Sheraz Gul, Muzammil Hussain, Faical Larachi
Keywords: CH4 decomposition, Ni:Cu/Al catalysts, Carbon nanotubes, Hydrogen
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1119

Abstract | Full Text: PDF


1127  

Intramolecular Hydroaminations of Aminoalkynes Catalyzed by Yttrium Complexes and Aminoallenes Catalyzed by Zirconium Complexes
Hyunseok Kim, T. Livinghouse*, Dong Seomoon, Phil Ho Lee*
Keywords: Intramolecular hydroamination, Aminoalkyne, Aminoallene, Yttrium, Zirconium
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1127

Abstract | Full Text: PDF


1135  

A Comparative Analysis of Pseudophase Ion-Exchange (PIE) Model and Berezin Pseudophase (BPP) Model: Analysis of Kinetic Data for Ionic Micellar-mediated Semi-ionic Bimolecular Reaction
May-Ye Cheong, Azhar Ariffin, M. Niyaz Khan*
Keywords: N-Benzylphthalimide, Rate constant, Binding constant, Pseudophase ion-exchange (PIE) model, Berezin pseudophase (BPP) model
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1135

Abstract | Full Text: PDF


1141  

Docking Studies on Formylchromone Derivatives as Protein Tyrosine Phosphatase 1B (PTP1B) Inhibitors
Chan Kyung Kim*, Kyung A Lee, Hui Zhang, Hyeongjin Cho, Bon-Su Lee
Keywords: FlexX docking, PTP1B inhibitors, Formylchromone derivatives, Protein-ligand interaction, CScore
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1141

Abstract | Full Text: PDF


1151  

Theoretical Analysis and Prediction of Catalysts for Oxidative Decarboxylation of Melanin-Concentrating Hormone
Min Gyum Kim, Myoung-soon Kim, Hwangseo Park, Sangyoub Lee, Junghun Suh*
Keywords: Melanin-concentrating hormone, Oxidative decarboxylation, Co(III) complex of cyclen
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1151

Abstract | Full Text: PDF


1156  

Substituent Effect on Diastereoselectivity in Photochemistry of Valerophenone
Bong Ser Park*, Sungsu Cho, Sang-Hyuk Chong
Keywords: Substituent effect, Photochemistry, Valerophenone, Diastereoselectivity
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1156

Abstract | Full Text: PDF


1159  

Parallel Synthesis of Unsymmetrical trans-Stilbenes
Chul-Hee Cho, Kwangyong Park*
Keywords: Unsymmetrical trans-stilbenes, Stilbenesulfonates, Nickel-catalyst, Cross-coupling
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1159

Abstract | Full Text: PDF


1167  

Solvent-free Cyanosilylation of Carbonyl Compounds Catalyzed by NbCl5
Soney C. George, Sung Soo Kim*
Keywords: Cyanohydrins, Aldehydes, Ketones, Solvent-free, NbCl5
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1167

Abstract | Full Text: PDF


1171  

Electrochemical Immunosensor Using the Modification of an Amine-functionalized Indium Tin Oxide Electrode with Carboxylated Single-walled Carbon Nanotubes
Md. Abdul Aziz, Haesik Yang*
Keywords: Carbon nanotube, Indium tin oxide, Immunosensor
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1171

Abstract | Full Text: PDF


1175  

Synthesis and Properties of Hexyl End-Capped Thiophene Oligomers Containing Anthracene Moiety in the Center
Jung Hei Choi, Dae Won Cho, Sung-Ho Jin, Ung Chan Yoon*
Keywords: Thiophene oligomer, Anthracene, Stille reaction, Thiophene-anthracene oligomer
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1175

Abstract | Full Text: PDF


1183  

Determination and Temperature Dependence of n-Octanol/Water Partition Coefficients for Seven Sulfonamides from (298.15 to 333.15) K
Zhang Congliang*, Wang Yan, Wang Fuan
Keywords: Sulfonamide, n-Octanol/water partition coefficient, Temperature dependence
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1183

Abstract | Full Text: PDF


1187  

Quantitative Evaluation of Radix Astragali through the Simultaneous Determination of Bioactive Isoflavonoids and Saponins by HPLC/UV and LC-ESI-MS/MS
Jin Hee Kim, So-Young Park, Hyun Kyun Lim, Ah Yeon Park, Ju Sun Kim, Sam Sik Kang, Jeong-Rok Youm, Sang Beom Han*
Keywords: Radix, HPLC/UV, LC-ESI-MS/MS, Isoflavonoids, Saponins
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1187

Abstract | Full Text: PDF


1195  

Neutral Loss of Phosphopeptides upon Electron Capture Dissociation with a Hot Dispenser Cathode
Sunyoung Lee, Seonghee Ahn, Yong-hyeon Yim, Byeongjoo Kim, Hun-Young So, Han Bin Oh*
Keywords: Phosphopeptide, Fourier transform mass spectrometry (FTMS), Electron capture dissociation, Neutral loss, Hot dispenser cathode
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1195

Abstract | Full Text: PDF


1199  

Diacetone-D-glucose-mediated Asymmetric Syntheses of N-Carboxyalkylated and O-Carboxyalkylated Flavones
Kyoung Hee Kang, Min Hee Lee, Eui Ta Choi,Yong Sun Park*
Keywords: Flavonoids, Chiral auxiliary, Asymmetric syntheses, Nucleophilic substitution
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1199

Abstract | Full Text: PDF


1203  

A Facile Synthesis of 4-Hydroxycoumarin and 4-Hydroxy-2-quinolone Derivatives
Su-Jin Park, Jong-Cheol Lee, Kee-In Lee*
Keywords: Meldrum’s acid, Pechman reaction, 4-Hydroxycoumarin, 4-Hydroxy-2-quinolone
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1203

Abstract | Full Text: PDF


1206  

N-Myc Downstream-Regulated Gene 2 Induces Angiogenesis
Mina Song, Sayeon Cho*
Keywords: N-Myc downstream-regulated gene 2 (NDRG2), Angiogenesis, Hypoxia-inducible factor-1(HIF-1)
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1206

Abstract | Full Text: PDF


1209  

A New Benzophenone from Lindera fruticosa
Myoung-Chong Song, Fikru Nigussie, Hye-Joung Yang, Nam-In Baek*
Keywords: Lindera fruticosa, 2,3-Dimethoxy-4-hydroxybenzophenone
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1209

Abstract | Full Text: PDF


1211  

S-Acyl and N-Acyl Derivatives of Benzothiazole-2-thiol: An Example of Acyl Group Rearrangement
Joung Hee Lee, Sang Hyun Park, Hyosun Lee*
Keywords: Benzothiazole-2-thiol, S-Acyl-2-benzothiazole thioester, 3-Acylbenzothiazoline-2-thione, Amides, Thioamides
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1211

Abstract | Full Text: PDF


1215  

Soraphinol B, A New Acyloin Compound Produced by Sorangium cellulosum
Jong-Woong Ahn*, XueMei Li, Ok-Pyo Zee
Keywords: Soraphinol B, Acyloin, Sorangium cellulosum, Myxobacteria
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1215

Abstract | Full Text: PDF


1217  

Kinetics and Mechanism of the Addition of Benzylamines to α-Thiophenyl-β-phenylacrylonitriles in Acetonitrile
Myoung Hwa Ku, Hyuck Keun Oh*, Seokbeom Ko
Keywords: Nucleophilic addition reaction, Single-step process, Cross-interaction constant, Kinetic isotope effects, Four-center cyclic transition state
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1217

Abstract | Full Text: PDF


1221  

Self-quenching Mechanism: the Influence of Quencher and Spacer on Quencher-fluorescein Probes
Tae Woo Kim, Jung-hyun Park, Jong-In Hong*
Keywords: Self-quenching, Quencher, Fluorophore, Fluorescein, Fluorescent sensor
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1221

Abstract | Full Text: PDF


1224  

The Secondary Electron Yield for High-Energy Proton Bombardment on Aluminum Target
Sang-Tae Park, Nak Han Jang*
Keywords: Secondary electron yield, MeV bombardment, Secondary electron energy
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1224

Abstract | Full Text: PDF


1227  

Synthesis and Characterization of Cobalt(III) Octahedral Complexes with Flexible Salpn Schiff Base in Solution. Structural Dependence of the Complexes on the Nature of Schiff Base and Axial Ligands
Rasoul Vafazadeh*, Maryam Kashfi
Keywords: Schiff base, 1H NMR, Salpn, Cobalt complexes, Flexibility
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1227

Abstract | Full Text: PDF


1231  

3D-QSAR of PET Agents for Imaging β-Amyloid in Alzheimer’s Disease
Mi Kyoung Kim, Il Han Choo, Hyo Sun Lee, Jong Inn Woo, Youhoon Chong*
Keywords: PET, β-Amyloid, 3D-QSAR, CoMSIA
DOI: https://doi.org/10.5012/bkcs.2007.28.7.1231

Abstract | Full Text: PDF