ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 24, Number 9
BKCSDE 24(9)
September 20, 2003 

1239  

Chiral Pyridinyloxazolidine Ligands for the Pd-Catalyzed Asymmetric Allylic Alkylation
Jin-Koo Yoon, Sang-Joon Lee, Young-Mok Kim, Myung-Jong Jin
Keywords: Asymmetric catalysis, Allylic alkylation, Pyridinyloxazolidine, Pd complex
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1239

Abstract | Full Text: PDF

1241  

Selective Photosubstitution Reactions of Tertiary 1-Alkyl-1,1-diarylmethyl Chloride: Simultaneous Formation of Radicals and Carbocations from the Excited State of 1-Alkyl-1,1-diarylmethyl Chloride
Sang-Gyun Lee, Yong-Tae Park
Keywords: Excited state partition, Heterolysis, Homolysis, Selective photosubstitution, 2,2,2-Trifluoro-1,1-diarylethyl chloride
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1241

Abstract | Full Text: PDF

1243  

Two-Dimensional Correlation Spectroscopy in Analyzing the Concentration-Dependent IR Spectra of Urea Aqueous Solution
Young Mee Jung
Keywords: Urea, 2D correlation spectroscopy, Association process, Hydrogen bonding
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1243

Abstract | Full Text: PDF

1245  

Effect of Amine Nature on Rates and Mechanism: Pyridinolyses of 4-Nitrophenyl Benzoate
Ik-Hwan Um, Mi-Hwa Baek, Hyun-Joo Han
Keywords: Pyridinolysis, Brønsted-type plot, Rate-determining step
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1245

Abstract | Full Text: PDF

1251  

Effect of Nonleaving Group on the Reaction Rate and Mechanism: Aminolyses of 4-Nitrophenyl Acetate, Benzoate and Phenyl Carbonate
Ik-Hwan Um, Hye-Ran Park, Eun-Young Kim
Keywords: Aminolysis, Structure-reactivity relationship, Rate-determining step, Leaving group
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1251

Abstract | Full Text: PDF

1256  

The Homodimerization of Thalictrum tuberosum O-Methyltransferases by Homology-based Modelling
Heejung Yang, Joong-Hoon Ahn, Karp Joo Jeong, Sangsan Lee, Yoongho Lim
Keywords: Modelling, Molecular dynamics, Homology, Methyltransferase, Thalictrum tuberosum
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1256

Abstract | Full Text: PDF

1261  

Kinetic Spectrophotometric Determination of Trace Amounts of Sulfide
Mohsen Barzegar, Ali Jabbari, Majid Esmaeili
Keywords: Sulfide, Kinetic spectrophotometric, Methyl green, Slope method, Fixed time method
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1261

Abstract | Full Text: PDF

1265  

Estimation for Retention Factor of Isoflavones in Physico-Chemical Properties
Seung Ki Lee, Kyung Ho Row
Keywords: Physico-chemical properties, Retention factors, Correlation relationships
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1265

Abstract | Full Text: PDF

1269  

Lipase-catalyzed Remote Kinetic Resolution of Quaternary Carbon-containing Alcohols and Determination of Their Absolute Configuration
Dai Sig Im, Chan Seong Cheong, So Ha Lee
Keywords: Chiral tertiary nitriles, Lipase, Enantioselective, Resolution
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1269

Abstract | Full Text: PDF

1276  

Formation of Pyro-products by the Pyrolysis of Monobromophenols
Yuncheol Na, Jungju Seo, Jongki Hong
Keywords: Pyrolysis, Bromophenols, GC/MS, Formation mechanism
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1276

Abstract | Full Text: PDF

1281  

Home-built Solid-state NMR Probe for Membrane Protein Studies
Yongae Kim, Jung-Hyun Hwang, Jae-Joon Park
Keywords: Home-built solid-state NMR probe, Membrane proteins
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1281

Abstract | Full Text: PDF

1284  

Synthesis and Antiviral Evaluation of Novel Acyclic Nucleosides
Joon Hee Hong, Ok Hyun Ko
Keywords: Acyclic nucleosides, [3,3]-Sigmatropic rearrangement, Antiviral agents
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1284

Abstract | Full Text: PDF

1289  

Synthesis of 4 α-C Phenyl-Branched Carbocyclic Nucleoside Using Ring-Closing Metathesis
Joon Hee Hong, Ok Hyun Kol
Keywords: Carbocyclic nucleoside, Antiviral agents, [3,3]-Sigmatropic rearrangement, Ring-closing metathesis
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1289

Abstract | Full Text: PDF

1293  

Applications of Third Order Models in Solvolytic Reaction of Aliphatic Substituted Acyl Derivatives in 2,2,2-Trifluoroethanol-Ethanol Systems
Zoon Ha Ryu, Gui Taek Lim, T. William Bentley
Keywords: Solvolysis, Kinetics, Acyl chlorides, Solvent effects
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1293

Abstract | Full Text: PDF

1303  

Characterization and Modification of Low Molecular Water-Soluble Chitosan for Pharmaceutical Application
Mi-Kyeong Jang, Jae-Woon Nah
Keywords: Low molecular water-soluble chitosan, Nanoparticles, Drug carriers, AFM, TEM
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1303

Abstract | Full Text: PDF

1308  

Analysis of Folate by Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry
Sangwon Cha, Hie-Joon Kim
Keywords: Folate, MALDI-TOF MS, Graphite plate, Vitamin, Blood
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1308

Abstract | Full Text: PDF

1313  

Physical Properties of Some Acetylbenzaldehydehydrazone Metal Complexes
M. G. Abd El Wahed, H. A. Bayoumi, M. I. Mohammed
Keywords: Potentiometric, Conductometric and photometric titrations, IR spectra and conductivity measurements
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1313

Abstract | Full Text: PDF

1319  

Quantitative Analysis of Seven Triazine Herbicides by On-Line Micellar Electrokinetic Chromatography-Electrospray Ionization Mass Spectrometry
Seong Ho Kang, Dae-Ho Shin, Yoon-Seok Chang
Keywords: Triazines, On-line MEKC-ESIMS
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1319

Abstract | Full Text: PDF

1324  

Simultaneous Determination of Anions and Cations in Natural Water by Ion-exclusion/Cation-exchange Chromatography with a Weakly Acidic Cation-exchange Resin Column
Kwang-Pill Lee, Seong-Ho Choi, Yu-Chul Park, Zun Ung Bae, Mu-Sang Lee, Sang Hak Lee, Hye-Yong Chang, Se-Mok Kwon, Kazuhiko Tanaka
Keywords: Ion-exclusion/cation-exchange chromatography, Weakly acidic cation-exchange resin, Simultaneous determination of anions and cations
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1324

Abstract | Full Text: PDF

1329  

Electrochemical Dechlorination of 1,2,4-Trichlorobenzene Using a Reticulated Vitreous Carbon Electrode
Ki-Jung Paeng, Chaeyun Lim, Bo-Young Lee, Noseung Myung, Insook Rhee Paeng
Keywords: Dechlorination, Flow electrolysis, Reticulated vitreous carbon electrode
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1329

Abstract | Full Text: PDF

1333  

Improvement of Separation of Polystyrene Particles with PAN Membranes in Hollow Fiber Flow Field-Flow Fractionation
Se-Jong Shin, Hyun-Joo Chung, Byoung-Ryul Min, Jin-Won Park, Ik-Sung An, Kangtaek Lee
Keywords: Hollow fiber, Flow field-flow fractionation, Polyacrylonitrile membrane, Optimized separation condition
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1333

Abstract | Full Text: PDF

1339  

Separation of Proteins Mixture in Hollow Fiber Flow Field-Flow Fractionation
Se-Jong Shin, Hyun-Hee Nam, Byoung-Ryul Min, Jin-Won Park, Ik-Sung An, Kangtaek Lee
Keywords: Hollow fiber flow FFF, Protein mixture, Retention time
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1339

Abstract | Full Text: PDF

1345  

Principal Component Analysis Based Two-Dimensional (PCA-2D) Correlation Spectroscopy: PCA Denoising for 2D Correlation Spectroscopy
Young Mee Jung
Keywords: Two-dimensional (2D) correlation spectroscopy, Principal component analysis (PCA), PCA-2D correlation spectroscopy, Noise filtering effect
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1345

Abstract | Full Text: PDF

1351  

Direct Calculation of the Free Energy Using Reduced Boltzmann Factors: Application to Lennard-Jones Fluids and Square-Well Fluids
Seung Do Hong, Du-Jeon Jang
Keywords: Free energy, Entropy, Reduced Boltzmann factor, Direct calculation
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1351

Abstract | Full Text: PDF

1354  

Microwave-Assisted Facile and Convenient Synthesis of Imidazolines
I. Mohammadpoor-Baltork, M. Abdollahi-Alibeik
Keywords: Nitriles, Imidazolines, Microwave irradiation
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1354

Abstract | Full Text: PDF

1357  

Kinetics Studies on the Hydrolysis of N-Benzoyl-4,5-diphenylimidazole Derivatives
Jong Pal Lee, Gui Taek Lim, Yong Hee Lee, Sung Sik Lee, In Sun Koo, Zoon Ha Ryu
Keywords: N-Benzoyl-4,5-diphenylimidazoles, Hydrolysis, D2O solvent isotope effect, Hammett plot
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1357

Abstract | Full Text: PDF

1361  

Effect of Chain Extenders on Polyurethanes Containing Both Poly(butylene succinate) and Poly(ethylene glycol) as Soft Segments
Suk-Young Moon, Young-Deok Park, Cheol-Ju Kim, Chan Hee Won, Youn-Sik Lee
Keywords: Polyurethane, Chain extender, Soft segment, Hard segment
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1361

Abstract | Full Text: PDF

1365  

An Alternative Synthesis of 5-Aminopyrazolo[4,3-d]pyrimidin-7(6H)-one
Jae-Woo Choi, Yonghan Kang, Daejin Baek
Keywords: 5-Aminopyrazolo[4,3-d]pyrimidin-7(6H)-one, Guanine analogue, C-Nucleoside, Formycin, Benzylurea
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1365

Abstract | Full Text: PDF

1368  

Synthesis of Bis-pyridinium Oxime Antidotes Using Bis(methylsulfonoxymethyl) Ether for Organophosphate Nerve Agents
Garp Yeol Yang, Joong-Ho Yoon, Churl-Min Seong, No-Sang Park, Young-Sik Jung
Keywords: Bis-pyridinium oxime antidotes, Bis(methylsulfonoxymethyl) ether, Organophosphate nerve agents, BCME
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1368

Abstract | Full Text: PDF

1371  

Preparation of Asymmetric Spiro Orthocarbonates via Cyclic Thionocarbonates
Chul-bae Kim, Min-Ah Park, Byungho Song, Kwangyong Park
Keywords: Spiro orthocarbonate, SOC, Cyclic thionocarbonate, Asymmetric SOC
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1371

Abstract | Full Text: PDF

1374  

Nano-scaled Deep-Cavity Cavitands
Kyunghwan Kim, Kyungsoo Paek
Keywords: Nano, Cavitand, Resorcin[4]arene, Molecular container
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1374

Abstract | Full Text: PDF

1377  

A Facile Synthesis of 1,3,4,6-Tetrahydro-1,6-benzodiazocine-2,5-diones
S. R. Bhusare,* D. V. Jarikote, R. R. Deshmukh, W. N. Jadhav, R. P. Pawar, Y. B. Vibhute
Keywords: Anilinic acid, Oxime, Morphanthridine, 1,6-Benzodiazocine
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1377

Abstract | Full Text: PDF

1379  

Synthesis and Application of γ-Picolinium Bromochromate as a New, Mild and Regioselective Reagent for Bromination of Active Aromatic Compounds
M. Yazdanbakhsh, M. Mamaghani, Sarhandi
Keywords: γ-Halogenation, Picolinium bromochromate, Bromination
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1379

Abstract | Full Text: PDF

1381  

Preparation of Diastereomeric β-Aryloxymethylaminoalcohols Containing Nicotinic Acid Moiety and Their Binding Affinity to β3-Adrenoreceptors
Seung Kyu Kang, Jae Du Ha, Haye-Gyeong Cheon, Joong-Kwoon Choi, Chang Sung Hong, Eul Kgun Yum
Keywords: Diastereomer, β-Aminoalcohol, Nicotinic acid, β3-Adrenoreceptors
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1381

Abstract | Full Text: PDF

1385  

Conversion of 6-Deoxocastasterone to Brassinolide in a Liverwort, Marchantia polymorpha
Young-Soo Kim, Tae-Wuk Kim, Seong-Ki Kim
Keywords: Biosynthesis, Brassinosteroids, in vivo and in vitro conversion, Liverwort, Marchantia polymorpha
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1385

Abstract | Full Text: PDF

1389  

Bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) Charge Transfer Compounds with Copper(II) Halides: (BEDT-TTF)1
Young-Inn Kim
Keywords: BEDT-TTF compound, Charge transfer compound
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1389

Abstract | Full Text: PDF

1393  

Assembly of a Cyclic Dimer Silver(I) Complex Encapsulating Two BF4
Joobeom Seo, Seok-Tae Moon, Jineun Kim, Shim Sung Lee, Ki-Min Park
Keywords: N2S donor ligand, X-ray structure, Cyclic dimer complex, BF4. ion
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1393

Abstract | Full Text: PDF

1396  

Laser-Induced Luminescence Study of Samarium(III) Thiodiglycolate Complexes
Dong Yong Chung, Eil Hee Lee, Takaumi Kimura†
Keywords: Thiodiglycolic acid, Samarium, Laser-induced luminescence, Luminescence lifetime
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1396

Abstract | Full Text: PDF

1399  

Intramolecular Sulfamylation Reaction of N-(1H-indol-3-yl)ethylsulfamides: Synthesis of 2,3,4,9-Tetrahydro-1,2-thiazino[5,6-b]indole 1,1-Dioxides
Ji Sun Lee, Dong Geol Lee, Dong Seub Park, Sun Hee Kim, Han Sik Yoon, Chai-Ho Lee
Keywords: Sulfamylation reaction, Indole, Sulfamide, 1,2-Thiazino[5,6-b]indole 1,1-dioxides
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1399

Abstract | Full Text: PDF

1403  

The Synthesis of 1,4,7-Triazacyclononane Conjugated Amyloid-phillic Compound and Its Binding Affinity to the β-Amyloid Fibril
Jongmin Kang, Jee Hye Jo
Keywords: Alzheimers disease, β-Amyloid fibril, Amyloid-philic molecule
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1403

Abstract | Full Text: PDF

1407  

A Ruthenium(II) Complex with a Tetradentate C2-Symmetric Bis(phosphino)-bis(oxazoline) Ligand for Asymmetric Transfer Hydrogenation of Aromatic Ketones
Sang-gi Lee, Hyo Ryung Jung, Kwan Mook Kim, Choong Eui Song, Cheon Gyo Cho
Keywords: Ru-complex, Chiral, Bisphosphine, Asymmetry, Transfer hydrogenation
DOI: https://doi.org/10.5012/bkcs.2003.24.9.1407

Abstract | Full Text: PDF