ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 23, Number 4
BKCSDE 23(4)
April 20, 2002 

535  

Synthesis of Trisubstituted 6-Azaindoles via Palladium-catalyzed Heteroannulation
Moon Sub Lee, Eul Kgun Yum
Keywords: Trisubstituted, 6-Azaindole, Palladium, Internal alkyne, Heteroannulation.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.535

Abstract | Full Text: PDF

537  

Synthetic Utilization of 2,6-Dioxa-3-azabicycloalkenes toward Cyclic Ethers
Ihl-Young Choi Lee, Jae Hyun Lee, Hyo Won Lee
Keywords: Hetero Diels-Alder reactions, Bicyclic heterocycles, Cyclic ethers, Mevalonolactone.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.537

Abstract | Full Text: PDF

539  

Catalytic Activity of Tin(II) Chloride in Esterification of Carboxylic Acids with Alcohols
Chan Sik Cho, Dong Tak Kim, Heung-Jin Choi, Tae-Jeong Kim, Sang Chul Shim
Keywords: Alcohol, Carboxylic acid, Esterification, Tin(II) chloride.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.539

Abstract | Full Text: PDF

541  

Ruthenium-Catalyzed Consecutive Reduction and Cyclization of Nitroarenes with Tetraalkylammonium Bromides Leading to Quinolines
Chan Sik Cho, Tae Kyung Kim, Heung-Jin Choi, Tae-Jeong Kim, Sang Chul Shim
Keywords: Nitroarenes, Quinolines, Reduction, Ruthenium, Tetraalkylammonium bromides.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.541

Abstract | Full Text: PDF

543  

Chiral Molecular Recognition in Fast Atom Bombardment Mass Spectrometry (FAB-MS) Enantiomerlabeled (EL) Guest Method Using New Chiral Bis-pyridino-18-crown-6
Jae-Kon Kim, Jong Gun Lee, Sungeun Lee, Jung Ju Seo, Jongki Hong, Hongsuk Suh
Keywords: Chiral recognition, Chiral crown ether, FAB-MS, Enantiomer-labeled guest method.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.543

Abstract | Full Text: PDF

545  

Determination of Lead in Different Samples by Atomic Absorption Spectrometry after Preconcentration with Dithizone Immobilized on Surfactant-Coated Alumina
S. Dadfarnia,A. M. Haji Shabani, H. Dehgan Shirie
Keywords: Lead, Solid phase extraction, AAS.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.545

Abstract | Full Text: PDF

549  

Synthesis and Characterization of Thermosensitive Poly(organophosphazenes)with Methoxy-Poly(ethylene glycol) and Alkylamines as Side Groups
Bae Hoon Lee, Young Moo Lee, Youn Soo Sohn, Soo-Chang Song
Keywords: Thermosensitive poly(organophosphazenes), LCST, Methoxy-poly(ethylene glycol) (MPEG), Alkylamines.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.549

Abstract | Full Text: PDF

555  

Conformational Investigations of HMPAO Isomers and Their Zinc(II) Complexes
Vithaya Ruangpornvisuti, Buncha Pulpoka, Thawatchai Tuntulani, Khajadpai Thipyapong, Chomchai Suksai
Keywords: HMPAO, Isomers, Zinc complex, AM1, Conformations.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.555

Abstract | Full Text: PDF

563  

Preparation of Copper Nanoparticles in Cellulose Acetate Polymer and the Reaction Chemistry of Copper Complexes in the Polymer
Il-Wun Shim, Won-Tae Noh, Jiwoon Kwon, Jung Young Cho, Kyung-Soo Kim, Dong Hee Kang
Keywords: Copper nanoparticles in cellulose acetate polymer, Polymer-supported catalysis.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.563

Abstract | Full Text: PDF

567  

New Fused Quinoxalines : Synthesis and Reactions of Pyrimidothienoquinoxaline and Oxadizolylthienoquinoxalines
Osama S. Moustafa, Mahmoud Z. A. Badr, Talaat I. El-Emary
Keywords: Synthesis, Diazotization, Heterocycles, Pyrimidothienoquinoxalines.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.567

Abstract | Full Text: PDF

571  

Photorefractive Polymer System with a Low Glass Transition Temperature for a Holographic Recording
Nam-Jun Kim, Hyunaee Chun, In Kyu Moon, Won-Jae Joo, Nakjoong Kim
Keywords: Photorefractive polymer, Diffraction efficiency, Holography, Application.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.571

Abstract | Full Text: PDF

575  

An Ultrathin Polymer Network through Polyion-Complex by Using Sodium Dioctadecyl Sulfate as Monolayer Template
Burm-Jong Lee, Hee Sang Kim, Seong Hoon Kim, Eun Mi Son, Dong-Kyoo Kim, Hoon-Kyu Shin, Young-Soo Kwon
Keywords: Network, Monolayer, Langmuir-Blodgett film, Template, Sodium dioctadecyl sulfate.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.575

Abstract | Full Text: PDF

580  

Morphology Development in a Range of Nanometer to Micrometer in Sulfonated Poly(ethylene terephthalate) Ionomer
Chang Hyung Lee,Takashi Inoue, Jae-Woon Nah
Keywords: Nano-morphology, PET-ionomer, Crystallization, X-Ray scattering.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.580

Abstract | Full Text: PDF

587  

Photo-alignment of Low-molecular Mass Nematic Liquid Crystals on Photochemically Bifunctional Chalcone-epoxy Film by Irradiation of a Linearly Polarized UV Light
Dong Hoon Choi, Young Kwan Cha
Keywords: Optical anisotropy, Chalcone-epoxy, Photodimerization, Photopolymerization, Liquid crystal alignment.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.587

Abstract | Full Text: PDF

593  

Alpha-alkylcysteines as Inhibitors for Carboxypeptidase A. Synthesis, Evaluation, and Implication for Inhibitor Design Strategy
Hyun Soo Lee, Dong H. Kim
Keywords: Carboxypeptidase A, Enzyme inhibition, Hydrogen bonding, Steric hindrance.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.593

Abstract | Full Text: PDF

599  

Development of an ELISA for the Organophosphorus Insecticide Isofenphos
Han Jin Park, Won Chul Park, Taeowan Jung, Choon Sup Rha,Yong Tae Lee
Keywords: Isofenphos, Insecticide, Enzyme-linked immunosorbent assay, ELISA.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.599

Abstract | Full Text: PDF

605  

Development of an Enzyme-Linked Immunosorbent Assay for the Organophosphorus Insecticide Cyanophos
Jae Hyun Park, Won Chul Park, Yoo Jung Kim, Yong Tae Lee
Keywords: Cyanophos, Insecticide, Immunoassay, Enzyme-linked immunosorbent assay, ELISA.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.605

Abstract | Full Text: PDF

610  

Syntheses of 3-Pyrimidyl- and 3-Pyranyl-5,6-benzocoumarin Derivatives
Ibrahim M. El-Deen, El-Sayed I. Al-Wakeel, Ahmed G. El-Mawla
Keywords: Syntheses, Heterocyclyl-5,6-benzocoumarins.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.610

Abstract | Full Text: PDF

613  

Synthesis, Crystal Structure, and Characterization of Manganese(IV) Complexes with Tridentate Ligands Comprising Mixed Hard-Soft Donors
Bon-Kweon Koo, Uk Lee
Keywords: Manganese(IV) complex, Mixed hard-soft ligand, Magnetic moment, Electrochemical property, Crystal structure.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.613

Abstract | Full Text: PDF

617  

A New Diterpenoid Isolated from Isodon japonica Structure Elucidation by NMR Spectroscopy
Bao-Lin Li, Yuan-Jiang Pan
Keywords: Isodon japonica, Taibaijaponicain E, Diterpenoid.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.617

Abstract | Full Text: PDF

619  

One-Dimensional Copper Coordination Polymer: Preparation and Structure of Bis(1,3,5-benzenetricarboxylato)(4,4-bipyridine)copper(II)
Hyun Sue Huh, Dongwon Min, Yeon Kyoung Lee,Soon W. Lee
Keywords: One-dimensional, Copper coordination polymer, Benzenetricarboxylate, Bipyridine.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.619

Abstract | Full Text: PDF

623  

Determination of Glycine Based on Fluorimetric Enhancement of Eu(III)-TTA Complex
Ki-Won Cha, Chan-Il Park, Kwang-Won Park
Keywords: Glycine, Eu(III), TTA(thenoyltrifluoroacetone), Fluorescence, Enhancement.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.623

Abstract | Full Text: PDF

626  

A New Synthetic Process of Lansoprazole
Kwang-Hyun Ahn, Hakwon Kim, Jeong Ryul Kim, Soon Cheol Jeong,Tae Seop Kang, Hyun Tae Shin, Geun Jho Lim
Keywords: Lansoprazole, Sulfoxidation, Heterogeneous catalyst.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.626

Abstract | Full Text: PDF

629  

Helical Structure and Related Properties of Ag(I) Complex with 2,3-Bis(2-pyridyl)pyrazine
Sung Ho Park, Yun Ju Kim, Ok-Sang Jung
Keywords: Helix, Silver complex, Bis(2-pyridyl)pyrazine, Coordination mode.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.629

Abstract | Full Text: PDF

633  

Raman Study of the Intermolecular Interactions between Thermotropic Liquid-Crystalline Oligomers: Comparison of the Effect of Poly(Propylene Oxide) and Poly(Ethylene Oxide)
Keunok Han Yu, John Moon Rhee, Jung-Hoon Lim, Soo-Chang Yu
Keywords: Raman, Liquid crystal, Intermolecular interaction, Coil effect, Hydrogen bonding.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.633

Abstract | Full Text: PDF

637  

Crown-Ether End-Capped Carbosiloxane Dendrimers
Chungkyun Kim,Hyojeong Kim
Keywords: Dendrimer, Crown ether, Carbosilane, Hydrosilation, Siloxane.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.637

Abstract | Full Text: PDF

640  

A Bifunctional 1,3-Alternate Calix[4]arene Receptor Containing Urea and Crown Ether Moieties
Sung Ok Kang, Kye Chun Nam
Keywords: Calixarene, Bifunctional receptor, 1,3-Alternate conformation.
DOI: https://doi.org/10.5012/bkcs.2002.23.4.640

Abstract | Full Text: PDF