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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 25, Number 8
BKCSDE 25(8)
August 20, 2004 

 

1117  

Microwave-assisted Synthesis of Diaryl Ethers from Reactions of Phenols with Nitroaryl Fluorides under Solvent-free Conditions
Jong Chan Lee*, Ju-Hee Choi, Jin Seo Lee
Keywords: Diaryl ethers, Microwave irradiation, Phase transfer catalysis, Solvent-free
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1117

Abstract | Full Text: PDF


1119  

Fabrication of Nano-precision PDMS Replica Using Two-photon Photopolymerization and Vacuum Pressure Difference Technique
Sang Hu Park, Tae Woo Lim, Dong-Yol Yang, Hong Jin Kong, Ran-Hee Kim, Kyoung-Soo Kim, Kwang-Sup Lee*
Keywords: Two-photon polymerization, 3D microfabrication, Vacuum pressure difference, PDMS replica
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1119

Abstract | Full Text: PDF


1121  

Novel 3-Methyl-4-(O-substituted-oximino)-pyrazolin-5-ones as a Potent Inhibitors of Cdc25B Phosphatase
Min Jung Seo, Jung Ki Kim, Bum Suk Son, Bo Gan Song, Zaesung No, Hyae Gyeong Cheon, Kwang-Rok Kim, Young Sun Sohn, Hyoung Rae Kim*
Keywords: Cdc25B inhibitor, Phosphatase, Cell division cycle, Anti-tumor, 3-Methyl-4-(O-substitutedoximino)-pyrazolin-5-one
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1121

Abstract | Full Text: PDF


1123  

Preparation of Chromane Derivatives via Indium-mediated Intramolecular Allylation Reactions
Joo Hwan Cha, Yong Seo Cho, Hun Yeong Koh, Eun Lee*, Yong-Tae Kim, Hae-Hun Yang, Han-Young Kang*
Keywords: Chromane, Indium, Intramolecular allylation reactions, Synthesis, Cyclizations
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1123

Abstract | Full Text: PDF


1125  

Anodic Stripping Differential Pulse Voltammetric Determination of Trace Amounts of Lead after Preconcentration of Its Complex with 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol onto Natural Analcime Zeolite by Column Method
Mohammad Ali Taher*, Ali Mostafavi, Darush Afzali, Ebrahim Rezaeipour
Keywords: Lead determination, Preconcentration, Zeolites, Stripping voltammetry
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1125

Abstract | Full Text: PDF


1130  

Photodissociation Dynamics of tertK-Butyl Isocyanide at 193 nm
Tae Yeon Kang, Seung Keun Shin, Hong Lae Kim*
Keywords: Photodissociation, t-Butyl isocyanide, Triplet state
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1130

Abstract | Full Text: PDF


1133  

Determination of Trace Amounts of Lead and Copper in Water Samples by Flame Atomic Absorption Spectrometry after Cloud Point Extraction
Farzaneh Shemirani*, Shiva Dehghan Abkenar, Asieh Khatouni
Keywords: Cloud point extraction, Pyrogallol, Micelle
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1133

Abstract | Full Text: PDF


1137  

Highly Selective Derivative Spectrophotometry for Determination of Nickel Using 1-(2-Pyridylazo)-2-naphthol in Tween 80 Micellar Solutions
Habibollah Eskandari
Keywords: Derivative spectrophotometry, Nickel, PAN, Tween 80
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1137

Abstract | Full Text: PDF


1143  

Chemoselective Iodination of Alcohols with CeCl3·7H2O/NaI over SiO2 under Microwave Irradiation
Rahman Hosseinzadeh*, Mahmood Tajbakhsh*, Zahra Lasemi, Ali Sharifi
Keywords: Iodination, CeCl3·7H2O, Microwave, SiO2, Solvent-free conditions
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1143

Abstract | Full Text: PDF


1147  

Facile Synthesis and Radioiodine Labeling of Hypericin
Sang Wook Kim, Jeong Hoon Park, Seung Dae Yang, Min Goo Hur, Yu-Seok Kim, Jong-Seo Chai, Young Soon Kim, Kook Hyun Yu*
Keywords: Hypericin, 2-[123I]iodohypericin, 2-[124I]iodohypericin, Protein kinase C (PKC) inhibitor, Malignant glioma
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1147

Abstract | Full Text: PDF


1151  

Visual Detection of Di- and Tri-phosphates in Aqueous Solution of Neutral pH
Min Su Han, Dong H. Kim*
Keywords: Chemosensor, Diphosphate, Triphosphate, ATP, ADP
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1151

Abstract | Full Text: PDF


1156  

Continuous Preconcentration of Sn2+/Sn4+ by the On-line Sulfide Precipitation-Dissolution
Pyung Heum Yeon, Young-Suk Yoon, Se-Woung Oh, Sang-ho Nam, Yong-Nam Pak*
Keywords: Preconcentration, Sn2+/Sn4+ speciation, ICP, Sulfide precipitation
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1156

Abstract | Full Text: PDF


1161  

Computational Study of Hydrogen Bonding in Phenol-acetonitrile-water Clusters
Doo-Sik Ahn, Sungyul Lee*, Won Jo Cheong
Keywords: Hydrogen bonding, Mixed cluster
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1161

Abstract | Full Text: PDF


1165  

A Model for Correlation of Various Solvatochromic Parameters with Composition in Aqueous and Organic Binary Solvent Systems
Aziz Habibi-Yangjeh
Keywords: Solvatochromic parameters, Redlich-Kister equation, Correlation equation
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1165

Abstract | Full Text: PDF


1171  

Antiferroelectric Liquid Crystal from Bent-Core Molecule with Vinyl End Group
Chong-Kwang Lee*, Soon-Sik Kwon, Tae-Sung Kim, Sung-Tae Shin, Hong Choi, E-Joon Choi, Sea-Yun Kim, Wang-Choel Zin, Dae-Choel Kim, Liang-Chy Chien
Keywords: Banana-shaped liquid crystal, Switchable smectic C, Spontaneous polarization, Antiferroelectric properties, Bent-core molecule
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1171

Abstract | Full Text: PDF


1177  

Determination of Uric Acid by Chemiluminescence Measurement Using Tris(2,2\'-bipyridine)ruthenium(II)-Octylphenylpolyglycol Ether System
Young-Sang Kim*, Jeung Hee Park, Yoon-seok Choi
Keywords: Chemiluminescence method, Uric acid, Flow injection, Tris(2,2'-bipyridine)ruthenium(II), Urine
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1177

Abstract | Full Text: PDF


1182  

Surface Active Properties and LCST Behavior of Oligo(propylene oxide-blockethylene oxide) Allyl Ether Siloxane Surfactants in Aqueous Solution
Doo Won Kim*, Chul Hwan Lim, Jae Kon Choi, Si Tae Noh
Keywords: Polydisperse oligo(PO-b-EO) allyl ether siloxane surfactants, Surface tension, Surface arrangement, Hydrolysis, Cp values
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1182

Abstract | Full Text: PDF


1189  

Silver Loading Effect for the Activated Carbon Fibers Pre-treated with Acid
Won-Chun Oh*, Min-Hyung Yum
Keywords: Adsorption isotherm, Silver-activated carbon fiber, SEM, EDX, Boehm titration
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1189

Abstract | Full Text: PDF


1195  

Sensing Characteristics of Tyrosinase Immobilized and Tyrosinase, Laccase Co-immobilized Platinum Electrodes
De Quan, Yousung Kim, Woonsup Shin*
Keywords: Tyrosinase, Laccase, Immobilization, Biosensor, Phenols
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1195

Abstract | Full Text: PDF


1202  

Chemiluminescent Properties of Novel Biphenyl Analogue Blue Fluorophores
Jong-Woo Cheon, Chil-Won Lee, Neri Geum, Myoung-Seon Gong*
Keywords: 4,4'-Di(1-naphthyl)biphenyl, 2,7-Di(1-naphthyl)fluorene, 3,6-Di(2-naphthyl)carbazole, Blue fluorophore, Chemiluminescence
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1202

Abstract | Full Text: PDF


1207  

Synthesis and Characterization of the Thermally Stable Ho(hfa)3(tme)
Seong-Joo Kang
Keywords: Holmium, Tricapped trigonal prism, hfa, CVD, 9-Coordination
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1207

Abstract | Full Text: PDF


1211  

The Study of Doxorubicin and its Complex with DNA by SERS and UV-resonance Raman Spectroscopy
Chul Jae Lee, Jae Soo Kang, Mak Soon Kim, Kwang Pill Lee, Mu Sang Lee*
Keywords: UV-resonance Raman spectroscopy, SERS, DNA, Doxorubicin
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1211

Abstract | Full Text: PDF


1217  

HBr Formation from the Reaction between Gas-phase Bromine Atom and Vibrationally Excited Chemisorbed Hydrogen Atoms on a Si(001)-(2 × 1) Surface
J. Ree*, S.-H. Yoon, K.-G. Park, Y. H. Kim
Keywords: HBr formation, Bromine, Chemisorbed, Hydrogen, Si
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1217

Abstract | Full Text: PDF


1225  

Metabolic Stability of [18F]Fluoroalkylbiphenyls
Kyo Chul Lee, Sang-Yoon Lee, Yearn Seong Choe, Dae Yoon Chi*
Keywords: Metabolism study, Fluoroalkyl, Fluoroalkylaromatics, Fluorine-18, PET tracer
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1225

Abstract | Full Text: PDF


1231  

Interconversion of Electronic Spin State of p-Substituted Arylketocarbene Reactions
Dae Dong Sung*, Jin Hee Jeong, Zoon Ha Ryu, Won Bae Chin, Ikchoon Lee
Keywords: Arylketocarbenes, Singlet-triplet interconversion, Photolytic rate constant
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1231

Abstract | Full Text: PDF


1238  

Solid State Oxidation of Alcohols Using 1-Butyl-4-aza-1-azoniabicyclo[2
Abdol R. Hajipour*, Hamid R. Bagheri, Arnold E. Ruoho
Keywords: Alcohol, Carbonyl compounds, Solvent-free conditions
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1238

Abstract | Full Text: PDF


1241  

Synthesis and Optical Properties of a Nitrate Anion Bridging Tetranuclear Silver(I) Complex
Bing Liu, Guo-Cong Guo*, Guo-Wei Zhou, Ming-Lai Fu, Li-Zhen Cai, Jin-Shun Huang*
Keywords: Silver, Dppm, Crystal structure
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1241

Abstract | Full Text: PDF


1244  

Synthesis of a New Calix[4]crown-5-azacrown-5 Dimeric Nano-tube
Sung Kuk Kim, Su Ho Kim, Seon-Gil Kwon, Eil-Hee Lee, So Ha Lee, Jong Seung Kim*
Keywords: Calixarene, Azacrown, Nano-tube, Synthesis
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1244

Abstract | Full Text: PDF


1247  

Pb2+ Sensing Chemo-sensor: Thiacalix[4]crown-based Lumino-ionophore
Sung Kuk Kim, Jae Kwang Lee, Jae Min Lim, Jong Wan Kim, Jong Seung Kim*
Keywords: Calixarene, Thiacalixarene, Ionophore, Complexation
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1247

Abstract | Full Text: PDF


1251  

Ca(OCl)2 as an Efficient Oxidizing Agent for the Oxidation of Urazoles under Mild and Heterogeneous Conditions
Mohammad Ali Zolfigol*, Shadpour Mallakpour, Ardashir Khazaiae, Ramin Ghorbani Vaghaie, Mehdi Torabi
Keywords: Calcium hypochlorite, Urazoles, Bis-urazoles, Triazolinediones
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1251

Abstract | Full Text: PDF


1253  

Conversion of CO2 to CO with CH4 over Ni/SiO2 Catalyst: Photoacoustic Measurements of Reaction Rate
Hwee-Won Koh, Sung-Han Lee*, Joong-Gill Choi*
Keywords: Conversion of CO2 to CO, Photoacoustic spectroscopy (PAS), Nickel/silica catalyst
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1253

Abstract | Full Text: PDF


1257  

Sustained Drug Release on Temperature-responsive Polymer Hybrid Nanoporous Silica Composites
Jeong Ho Chang*, Kyung Ja Kim, Young-Kook Shin*
Keywords: Drug delivery systems, Thermo-responsive polymers, Self-assembly, Nanoporous silicas
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1257

Abstract | Full Text: PDF


1261  

Anionic Polymer-Modified Electrodes Based on a Macrocyclic Nickel(II) Complex for Selective Determination of Dopamine in the Presence of Ascorbic Acid
Hye-Young Chang, Guang-Ri Xu, Yu-chul Park, Kwang Pill Lee, Zun-Ung Bae*
Keywords: Anionic polymer, Polyurethane, Dopamine, Ascorbic acid
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1261

Abstract | Full Text: PDF


1265  

Preparation and Ion-Binding Properties of Calix[4]crown-Containing Polyesters
Su-Han Kim, Wan-Ho Seol, Chil-Won Lee, Myoung-Seon Gong*
Keywords: Calix[4]crown ether, Polyester, Ion extraction
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1265

Abstract | Full Text: PDF


1269  

Synthesis of New 2,3-Dihydro-2-phenyl-4-quinolone Derivatives; Aza Analogs of Flavanone
Myung-Sook Park*, Jae-In Lee
Keywords: 2,3-Dihydro-2-phenyl-4-quinolones, Synthesis, Antiinflammatory, Aza analogs of flavanone
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1269

Abstract | Full Text: PDF


1273  

Preparation of O-Alkylhydroxamic Acids Using 2-Acylpyridazin-3(2H)-ones in Water
Jeum-Jong Kim, Yong-Dae Park, Su-Dong Cho, Ho-Kyun Kim, Young-Jin Kang, Sang-Gyeong Lee*, J. R. Falck, Motoo Shiro, Yong-Jin Yoon*
Keywords: Hydroxamic acid, O-Alkylhydroxamic acid, 2-Acyl-4,5-dichloropyridazin-3(2H)-ones, Organic reaction in water
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1273

Abstract | Full Text: PDF


1277  

Tripropylammonium Fluorochromate (TriPAFC): A Convenient New Reagent for Oxidation of Organic Substrates
S. Ghammamy*, A. Hashemzadeh
Keywords: Oxidant, Chromium(VI) reagent, Tripropylammonium fluorochromate, Oxidation, Organic substrates
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1277

Abstract | Full Text: PDF


1280  

Synthesis of Substituted Cyclopentenes from the Baylis-Hillman Adducts via Ring-Closing Metathesis Reaction
Ka Young Lee, Jeong Eun Na, Jin Yong Lee, Jae Nyoung Kim*
Keywords: Cyclopentenes, Baylis-Hillman adducts, Ring-closing metathesis, Diethyl allylmalonate
DOI: https://doi.org/10.5012/bkcs.2004.25.8.1280

Abstract | Full Text: PDF