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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 23, Number 6
BKCSDE 23(6)
June 20, 2002 

 

787  

Synthesis of Naphthalenes from the Reaction of Baylis-Hillman Acetates and Sulfonyl Group-containing Active Methylene Compounds
Yang Jin, Yun Mi Chung, Ji Hyeon Gong, Jae Nyoung Kim
Keywords: Naphthalenes, Baylis-Hillman acetates, Sulfonyl group, Active methylene compounds.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.787

Abstract | Full Text: PDF


789  

The Reaction of Heterocyclic Nucleophiles and the DABCO Salts of the Baylis-Hillman Aetates
Ji Hyeon Gong, Hyoung Rae Kim, Eung K, Jae Nyoung Kim
Keywords: Baylis-Hillman acetates, DABCO, Allylic substitution, Rearrangement, Heterocyclic nucleophiles.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.789

Abstract | Full Text: PDF


791  

Deprotection of Tetrahydropyranyl Ethers Using a Catalytic Amount of Decaborane
Yeon Joo Jung, Eun Soo Park, Ji Hee Lee, Cheol Min Yoon
Keywords: THP ethers, Deprotection, Decaborane, Lewis acid catalyst.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.791

Abstract | Full Text: PDF


793  

Highly Active and Stable All-Round Catalyst for Methane Reforming Reactions: Ni/Ce-ZrO2/θ-Al2O3
Hyun-Seog Roh, Ki-Won Jun, Seung-Chan Baek, Sang-Eon Park
Keywords: o-Al2O3 Ce-ZrO2, Methane, Ni, Reforming.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.793

Abstract | Full Text: PDF


795  

Observation of Vibronic Emission Spectra of Jet-Cooled o-Chlorobenzyl Radical
Sang Youl Chae, Sang Kuk Lee, Sung-Hoon Kim
Keywords: Spectroscopy, Radical, Vibronic transition.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.795

Abstract | Full Text: PDF


797  

Mild and Efficient Deoxygenation of Amine-N-Oxides with Bis(cyclopentadienyl)titanium(Ⅳ)Dichloride-Indium System
Byung Woo Yoo, Jin Woo Choi, Dong Yoon Kim, Sun Kyun Hwang, Kyung Il Choi, Joong Hyup Kim
Keywords: Deoxygenation, Amine-N-oxides, Titanium, Indium.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.797

Abstract | Full Text: PDF


799  

Partial Oxidation of Methane over CeO2Catalyst
Hyun-Seong Roh, Ki-Won Jun, Seung-Chan Baek, Sang-Eon Park
Keywords: CeO2, Methane, Partial oxidation.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.799

Abstract | Full Text: PDF


803  

Catalytic Dehydration of Methanol to Dimethyl Ether (DME) over Solid-Acid Catalysts
Ki-Won Jun, Hye-Soon Lee, Hyun-Seog Roh, Sang-Eon Park
Keywords: Methanol, Dehydration, Dimethylether, Solid-acid catalyst.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.803

Abstract | Full Text: PDF


807  

Application of Hypothetical Quantum Scattering Model for the Design of Novel Electroluminescence Device
Hyo Weon Jang
Keywords: Quantum, Model, Electoluminescence, Simulation.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.807

Abstract | Full Text: PDF


811  

Monte Carlo Simulation for Vapor-Liquid Equilibrium of Binary Mixtures CO2/CH3OH,CO2/C2H5OH,and CO2/CH3CH2CH2OH
Sung Doo Moon
Keywords: Monte Carlo simulation, Carbon dioxide, Alcohol.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.811

Abstract | Full Text: PDF


817  

Adsorption of Specific Organics in Water on GAC and Regenertion of GAC by Countercurrent Oxidative Reation
Keon Sang Ryoo, Tae Dong Kim, Yoo Hang Kim
Keywords: GAC, COR, PCBs, Waste water treatment.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.817

Abstract | Full Text: PDF


824  

Synthesis and Characterization of New Polyaza Macrocyclic Nikel(Ⅱ) and Copper(Ⅱ)Complexes Containing Two Nitrile or Imidate Ester Pendant Arms:Metal-Mediated Hydrolysis and Alcoholysis of the Nitrile Group
Shin-Geol Kang, Jeonghoon Song, Jong Hwa Jeong
Keywords: Macrocyclic complexes, Functional pendant arms, Hydrolysis, Alcoholysis, X-Ray structure.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.824

Abstract | Full Text: PDF


829  

Elucidation of selectivity Difference in the Diels-Alder Reactions of 6,6-Disubstituted Cyclohexa-2,4-dienone
Jun-Pyeong Jeong, Oh-Seuk Lee, Kiyull Yang
Keywords: Cycloaddition, Diels-Alder reaction, Cyclohexa-2,4-dienone, Semiempirical MO.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.829

Abstract | Full Text: PDF


837  

Theoretical Evaluation of the Electrophilic Catalyses in Successive Enolization and Reketonization Reaction by Δ5-3-Ketosteroid Isomerase
Hwangseo Park, Junghun Suh, Sangyoub Lee
Keywords: Ab initio study of enzyme reactivity, -3-Ketosteroid isomerase.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.837

Abstract | Full Text: PDF


845  

Synthesis and Reactivity of the Pentacoordinate Organosilicon and-germanium Compounds Containing the C,P-Chelating ο-Carboranylphosphino Ligand [ο-C2B10H10PPh2-C,P](CabC,P)
TaegWeon Lee, Sanghoon Kim, Myong Seon Kong, Sang Ook Kang, Jaejung Ko
Keywords: Bis(germyl)palladium, Pentacoordinate organosilicon, o-Carboranylphosphino ligand.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.845

Abstract | Full Text: PDF


851  

N,N'-Dimethylethylenediamine-N,N'-di-α-butyric Acid cobalt(Ⅲ)Complexes Utilizing Oxidation of Sulfur of S-Methyl-L-cysteine
Hyun-Jin Kim, Kyoung-Tae Youm, Jung Sung Yang, Moo-Jin Jun
Keywords: Cobalt(3) complex, Ligand oxidation.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.851

Abstract | Full Text: PDF


856  

Reaction of Lithium (2,3-dimethyl-2-butyl)-t-Butoxyborohydride with selected Organic Compounds Containing Representative Functional Group
Jin Soon Cha, Dae Yon Lee
Keywords: Li ThxBuOBH2, Reduction, Organic compounds.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.856

Abstract | Full Text: PDF


861  

Determination and Preconcentration of Copper(Ⅱ) after Adsorption of Its Cupferron Complex onto Benzophenone
Taikjin Lee, Hee-Seon Choi
Keywords: Copper, Adsorption, Benzophenone, Brass, Flame atomic absorption spectrophotometry.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.861

Abstract | Full Text: PDF


865  

The Orientation CO in Heme Proteins Determined by Time-Resolved Mid-IR Spectroscopy: Anisotropy Correction for Finite Photolysis of Optically thick Sample
Manho Lim
Keywords: Heme protein, Optically thich sample, Time-resolved IR spectroscoppy, Anisotropy.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.865

Abstract | Full Text: PDF


872  

Preparation and Reconstitution of Core-shell Type Nanoparticles of Poly(ε-caprolactone)/Poly(ethyleneglycol)/Poly(ε-caprolactone) Triblock Copolymers
Younh-Jl Jeong, Jae-Gon Ryu, Young-Hoon Kim, Sung-Ho Kim
Keywords: Triblock copolymer, Core-shell type nanoparticles, Cytotoxicity.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.872

Abstract | Full Text: PDF


879  

Novel 1,3-Alternate Calix[4]thiacrown Ethers
Wonbo Sim, Jai Young Lee, Jongchul Kwon, Moon Jib Kom, Jong Seung Kim
Keywords: Calix[4]thiacrown ether, Calix[4]-bis-thiacrown, Complexation, Picrate extraction.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.879

Abstract | Full Text: PDF


884  

Preparation and Characterization of Hybrid Silica -Poly(ethylene glycol)Sonogel
Hwa Young Jung, Ravindra K. Gupta, Dong Won seo, Yoo Hang Kim, Chin Myung Whang
Keywords: Sol-Gel, Sonogel, Ultrasonic irradiation, SiO2-PEG hybrid, Inorganic-organic hybrid.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.884

Abstract | Full Text: PDF


891  

Ab Initio Study of Conformers of p-tert-Butylcalix [4]crown-6-ether Complexed with Alkyl Ammonium Cations
Jong-In Choe, Suk-Kyu Chang, Shinkoh Nanbu
Keywords: Calix[4]crown-6-ether, Partial cone, 1,3-Alternate, Alkyl ammonium ions, Molecular rrecognition.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.891

Abstract | Full Text: PDF


896  

New Lignan Isolated from Phyllanthus niruri Linn. Structure Elucidation by NMR Spectroscopy
Wan-Xing Wei, Xing-guo Gong, Omar Ishrud, Yuan-Jiang Pan
Keywords: Phyllanthus niruri Linn, NMR Spectroscopy, Structure, Elucidation, Neonirtetralin.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.896

Abstract | Full Text: PDF


899  

Structural Analyses of total Anionic Cyclosophoraoses Synthesized by Rhizobium meliloti 2011
Dong-huyk Seo, Sanghoo Lee, Hey-lin Park, Dong-Heui Yi, EunJung Ji, Dae-Ho Shin, Seunho Jung
Keywords: ESI-MS, Rhizobium meliloti2011, Cyclic oligosaccharides, Anionic cyclosophoraoses.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.899

Abstract | Full Text: PDF


903  

Cobalt(Ⅲ) Complex with Novel Chiral Amidate Ligand:(Ⅰ) Synthesis, Structure and Characterization of [Co(S-metamp)(amp)](ClO4)2
Jae-Ha Park, Bae-Wook Lee, Uk Lee, Myung-Ki Doh
Keywords: Co(3) complex, Chiral ligand, Stereoselectivity, Configuration.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.903

Abstract | Full Text: PDF


907  

Synthesis of Cadmium(Ⅲ) Oraganic Framework Based on Feist's Acid
Young Seop Kim, YongBok Go, Jaheon Kim, Nakcheol Jeong, Hee K.Chae
DOI: https://doi.org/10.5012/bkcs.2002.23.6.907

Abstract | Full Text: PDF


911  

Reaction of 1,4-Dianion of Methy 2-Thienyl Ketone N-Ethoxycarbonylhydrazone with Carboxylic Acid Derivatives and the Synthesis of Pyrazolotriazin-7-ones
Zuhal Turgut, Niiket Ocal
Keywords: Dianion reactions, 1,3,5-Trisubstituted pyrazoles, Pyrazolotriazin-7-ones.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.911

Abstract | Full Text: PDF


914  

The Preparation and Characterization of Low Molecular and Water Soluble Free-amine Chitosan
Mi-Kyeong Jang, Young-Il Jeong, Chong-su Cho, Suk-Hyang Yang, Young-Eui Kang, Jae-Woon Nah
Keywords: Chitosan, Oligosaccharide, Triethylamine, Degree of deacetylation.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.914

Abstract | Full Text: PDF


917  

Sythesis and Anticonvulsant Evaluation of 5-vinyl -pyrrlidin-2-ones: A Potential GABA-AT Inhibitor
Tae-Woo Kwon, Pan-Suk Kwon, Suk-Jin Song, Min-Soo Park, Jong-Won Choi
Keywords: GABA-AT, Vigabatrin, 5-Vinyl-2-pyrrolidiin-2-ones, Anticonvulsant activity.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.917

Abstract | Full Text: PDF


921  

Synthesis and Molecular Struture of (1,3-Dimethyl-4,5-dimethylimidazo-2-ylidene)Ag(Ⅰ)(1,3-diphenyl-1,3-propanedionate)Complex
Min Chul Chung
Keywords: Silver, Imidazolylidene, b-Diketonate, Crystal structure.
DOI: https://doi.org/10.5012/bkcs.2002.23.6.921

Abstract | Full Text: PDF