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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 6
BKCSDE 22(6)
June 20, 2001 

 

541  

Reductive Debromination of vic-Dibromides to Alkenes with Bis(cyclopentadienyl)titanium(IV) Dichloride-Indium System
Byung Woo Yoo, Kwang Hyun Choi, Jae Jung Ko, Ghil Soo Nam, Kwan Young Chang, Kyung Il Choi, Joong Hyup Kim
Keywords: Debromination, Alkene, Bis(cyclopentadienyl)titanium(IV) dichloride, Indium.

Abstract | Full Text: PDF


543  

Triplex, Microwave Induced and Conventional Diels-Alder Reaction of Phenyl-substituted Alkynes with Cyclopentadienes
Hyo Jung Yoon, Joo Mi Lee, Sun Sim Im, Woo Ki Chae
Keywords: Triplex, Microwave irradiation, DCA fluorescence quenching.

Abstract | Full Text: PDF


545  

Ruthenium-Catalyzed Reductive Heteroannulation of Nitroarenes with Trialkanolamines Leading to Indoles
Chan Sik Cho, Tae Kyung Kim, Sung Won Yoon, Tae-Jeong Kim, Sang Chul Shim
Keywords: Ruthenium, Nitroarene, Trialkanolamine, Indole, Heteroannulation.

Abstract | Full Text: PDF


547  

Chiral Hydroxamic Acids as Ligands for the Vanadium Catalyzed Asymmetric Epoxidation of Allylic Alcohols
Bruno Traber, Yong-Gyu Jung, Tae Kyo Park, Jong-In Hong
Keywords: Asymmetric epoxidation, Allylic alcohols, Chiral hydroxamic acids, Vanadium.

Abstract | Full Text: PDF


549  

Bromodecarboxylation of Arylpropiolic Acids with Oxone R and Sodium Bromide
Kee-Jung Lee, Keun Wan Lim, Dae Yoon Chi
Keywords: Bromodecarboxylation, 1-bromoalkyne, Oxone?, Arylpropiolic acid, Sodium bromide.

Abstract | Full Text: PDF


551  

Asymmetric Synthesis of α-Alkyl- α-phenylglycine Derivatives
Seung-Han Lee, Eun-Kyung Lee
Keywords: a-Alkyl- a-phenylglycine, Asymmetric synthesis, Amino acid, Manganese complex.

Abstract | Full Text: PDF


553  

A Stereoselective Synthesis of 1 β-Aminocarbapenems
Kyung Jae Seo, Tae Ho Lee, Youn Young Lee
Keywords: Carbapenems, Phosphite-mediated reductive cyclization, Benzophenone imines of glycine esters.

Abstract | Full Text: PDF


559  

The Characteristic Calculation of Carboxylic Ion Exchanger
Won-Keun Son, Tae Il Kim, Sang Hern Kim, Soo-Gil Park, Jang-Hoon Chung
Keywords: Ion exchanger, Polyelectrolytes, Carboxylic ion exchanger, Potentiometric titration, Equilibrium constant.

Abstract | Full Text: PDF


565  

Establishment of the Spectral Correction Matrix and Simultaneous Determination of Iron and Zinc with 1-(6-Bromo-2-Benzothiazolylazo)-2-Naphthol as Chromogenic Agent
Hong-Wen Gao, Yu-Cheng Li, Qing-Song Ye
Keywords: Spectral correction technique, Matrix, Simultaneous determination of Fe and Zn, 1-(6-Bromo-2-benzothiazolylazo)-2-naphthol (BBTAN).

Abstract | Full Text: PDF


570  

Enrichment of Magnesium Isotopes by Monoazacrown Bonded Merrifield Peptide Resin
Dong Won Kim
Keywords: Magnesium isotope separation, Monoazacrown resin, Capacity, Isotope effect, Elution chromatography.

Abstract | Full Text: PDF


575  

Intramolecular Ring-Ring Stacking Interactions between 8-Methoxypsoralen and Adenine Induced by Polymethylene Bridges
Dong Jin Yoo, Seoung-Hak Hyun, Sang Chul Shim
Keywords: Psoralen, 8-Methoxypsoralen, Ring-ring stacking interactions, Percent hypochromism (%H).

Abstract | Full Text: PDF


581  

Synthesis of New Anthracycline Derivatives Including Butyric or Retinoic Acid Moiety
Young S. Rho, Wan-Joong Kim, Siho Park, Dong Jin Yoo, Heun Soo Kang, Soon-Ryang Chung
Keywords: Daunomycin, Doxorubicin, Anthracycline derivatives, Butyric and retinoic acid, Acylation.

Abstract | Full Text: PDF


587  

Synthesis of New Anthracycline Derivatives Containing Acetylsalicylic or Palmitic Acid Moiety
Young S. Rho, Gyuil Kim, Wan-Joong Kim, Siho Park, Dong Jin Yoo, Heun Soo Kang, Soon-Ryang Chung
Keywords: Daunomycin, Doxorubicin, Anthracycline, Acetylsalicyclic acid, Palmitic acid.

Abstract | Full Text: PDF


593  

Reactions of [(2-N,N-Dimethylaminomethyl)phenyl]methylvinylchlorosilane with t-BuLi: Synthesis and Characterization of Five Isomeric 1,3-Disilacyclobutanes
Myong Euy Lee, Hyeon Mo Cho, Soo Heung Lee, Chang Hwan Kim
Keywords: Silene, Zwitterionic species, Dimer, Intramolecular donor atom.

Abstract | Full Text: PDF


597  

Ab initio Study on Structures, Energies and Vibrations of Methylammonium-(water)n (n=1-3) Complexes
Kwang-Yon Kim, Ung-In Cho, Doo Wan Boo
Keywords: Ab initio, Solvation, Hydrogen bond cooperativity, Many-body interaction.

Abstract | Full Text: PDF


605  

Density Functional Theory Calculation of Molecular Structure and Vibrational Spectra of Dibenzofuran in the Ground and the Lowest Triplet State
Sang Yeon Lee
Keywords: Dibenzofuran, Molecular structure, Vibration, Lowest triplet state.

Abstract | Full Text: PDF


611  

Soluble Single-Molecule Magnet: Mn12-stearate
Chi-Dong Park, Duk-Young Jung
Keywords: Magnetic properties, Mn12, Stearate.

Abstract | Full Text: PDF


616  

Separation and Characterization of Dust and Ground Water Particulates Using Gravitational SPLITT Fractionation
Seungho Lee, Hee-Young Park, Sang-Keun Lee, Sung-Gwon Yang, Chul Hun Eum
Keywords: Gravitation SPLITT Fractionation (GSF), Preparative separation, Sedimentation coefficient, Dust, Ground water particles.

Abstract | Full Text: PDF


623  

Silation of Alcohols and Aldehydes Catalyzed by Bisacetylacetonatochlorocyclopentadienylzirconium(IV)
Sock Sung Yun, Jun Lee, Samkeun Lee
Keywords: O-silation, Alcohol, Aldehyde, Bisacetylacetonatochlorocyclopentadienyl zirconium, Catalyst.

Abstract | Full Text: PDF


626  

The Stereoselectivities of Halocyclization of γ-Furanyloxy- and γ-Pyranyloxy-alkenes to 2,5-Disubstituted Tetrahydrofurans
Sung-Woo Kim, Moon-Sung Choi, Gyoosoon Park, Young Soo Kim, Soo Gyeong Cho
Keywords: Halocyclization, Stereoselectivity, 2,5-Substituted tetrahydrofurans, g-Hydroxyalkenes.

Abstract | Full Text: PDF


629  

Synthesis of New Polymeric Antioxidants
Dong Ryun Oh, Hyun-Kyu Kim, Namgun Lee, Kyu Ho Chae, Shinyoung Kaang, Moo Sung Lee, Taek Hyeon Kim
Keywords: Homopolymerization, Hindered phenol antioxidants, Maleimides.

Abstract | Full Text: PDF


633  

Transition State Structure in the Reaction of Benzyl Bromides with Imidazoles and Pyridines
Hee-Soon Lee, Duk-Young Cheong, Soo-Dong Yoh, Woo-Sik Kim, Young-Woo Kwak, Yong-Tae Park, Jae-Keun Lee
Keywords: Menschutkin reaction, Imidazole, Pyridine, Ab initio MO.

Abstract | Full Text: PDF


635  

Synthesis and Ionophoric Properties of Calix[4]arene Having Two Convergent Carboxylic Acid Functions
Ji Young Kim, Young Hee Kim, Jong-In Choe, Suk-Kyu Chang
Keywords: Ionophore, Calix[4]arene, Kemp’s triacid, Transport.

Abstract | Full Text: PDF


638  

Synthesis and Electrochemistry of Diester-Anthraquinone as Lithium-Ion Selective Receptor
Duck Hee Park, Sung Ok Kang, Hyun-Jin Lee, Kye Chun Nam, Seungwon Jeon
Keywords: Receptor, Diester-anthraquinone, Lithium ion.

Abstract | Full Text: PDF


641  

Thermodynamic Parameters on the Complexation of Trivalent Lanthanide Ions by Cyclopentanecarboxylate in an Aqueous Solution
Young-Inn Kim, Sung Nak Choi, Chi Gang Song
Keywords: Lanthanide(III) complexes, Thermodynamic parameters, Stability constants.

Abstract | Full Text: PDF


644  

Preparation of β-Heteroaryl Carbonyl Derivatives via LiCl-mediated Heck Reaction
Eul Kgun Yum, Seung Kyu Kang, Joong-Kwon Choi
Keywords: Palladium, LiCl, Heck reaction, b-Heteroaryl carbonyl compounds.

Abstract | Full Text: PDF


647  

Reaction of Phenyl Palladium(II) Azido Complexes with DMAD (Dimethyl Acetylendicarboxylate): Synthesis and Structures of trans-[PdL(C6H5){N3C2-3,4-(C(O)OMe)2}] (L = PMe3, PEt3)
Yong-Joo Kim, Young-Seon Joo, Yong-Su Kwak, Won-Seok Han, Soon-W. Lee
Keywords: Azido, Cycloaddition, Triazolato, Structure, Palladium.

Abstract | Full Text: PDF


651  

Metabolism of Typhasterol, a Brassinosteroid, in Suspension Cultured Cells of Marchantia polymorpha
Tae-Wuk Kim, Seung-Hyun Park, Se-Hwan Joo, Young-Soo Kim, Jongkil Choo, Seong-Ki Kim
Keywords: Brassinosteroids, Metabolism, Marchantia polymorpha.

Abstract | Full Text: PDF