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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 11
BKCSDE 22(11)
November 20, 2001 

 

1173  

Palladium-catalyzed Acylation of β, β-Diphenyl- α-(trifluoromethyl)vinylstannane as a Novel Route to 1,3-Disubstituted 2-(Trifluoromethyl)indene Derivatives
In Howa Jeong, Young Sam Park, Myong Sang Kim, Sang Tae Oh
Keywords: b, b-Diphenyl- a-(trifluoromethyl)vinylstannane, Acylation, Reduction, Cyclization, 2-(Trifluoromethyl) indene.

Abstract | Full Text: PDF


1175  

Prevention of Protein Aggregation by Hsp104 via Protection of Oxidative Stress
Kyunghee Lee, Youngwhan Cho, Jeonghoon Ueom, Sunmi Na, Jeong Eun Park, Inho Jo, Jongmin Kang
Keywords: ROS, Hsp104, Mitochondria, A b aggregation.

Abstract | Full Text: PDF


1177  

Zeolite H-beta: an Efficient and Recyclable Catalyst for the Tetrahydropyranylation of Alcohols and Phenols, and the Deprotection of Tetrahydropyranyl Ethers
Ji-Eun Choi, Kwang-Youn Ko
Keywords: Zeolite H-beta, Tetrahydropyranylation, Protection, Deprotection.

Abstract | Full Text: PDF


1179  

Synthesis of 3,6-Dihydro-2H-pyran Subunits of Laulimalide Using Olefinic Ring Closing Metathesis. Part II
Hyo Won Lee, Sue Hye Yoon, Ihl-Young Choi Lee, Bong Yong Chung
Keywords: Dihydropyran, Laulimalide, RCM reaction.

Abstract | Full Text: PDF


1181  

Synthesis and Characterization of New Poly(terphenylene vinylene) Derivative as Blue Emitting Material
Yun-Hi Kim, Jun-Hwan Ahn, Dong-Cheol Shin, Jin-Hak Kim, Young-Wook Park, Don-Soo Choi, Young-Kwan Kim, Soon-Ki Kwon
Keywords: Poly(terphenylene vinylene), Blue LED, Suzuki coupling, Energy band gap.

Abstract | Full Text: PDF


1183  

Synergistic Effect on the Photocatalytic Degradation of 2-Chlorophenol Using TiO2 Thin Films Doped with Some Transition Metals in Water
Oh-Jin Jung
Keywords: Metallorganic chemical vaper deposition, Dopant TiO2 thin film, Photocatalytic degradation.

Abstract | Full Text: PDF


1192  

A Spontaneous Growth of a Diaphorase Enzyme Layer over a Gold Electrode for the Catalytic Reduction of NAD+
Sohyoung Kim, Sei-Eok Yun, Chan Kang
Keywords: Diaphorase, NAD+, Bioelectrocatalysis, Enzyme immobilization, Methyl viologen.

Abstract | Full Text: PDF


1197  

Paramagnetic Inversion of the Sign of the Interference Contribution to the Transverse Relaxation of the Imido Protons of the Coordinated Imidazoles in the Uniformly 15 N Labeled Cytochrome c3
Andre Kim, In-Chul Jeong, Yoon-Bo Shim, Shin-Won Kang, Jang-Su Park
Keywords: Desulfovibrio vulgaris Miyazaki F (DvMF), Imido proton, HMQC, 15N-Labeled cytochrome c3.

Abstract | Full Text: PDF


1202  

Photochemistry of 1-(o-Hydroxyphenyl)-2-pentamethyldisilanylethyne : Photoreaction in a Concentrated Benzene Solution and Photoreaction with Methanol or Acetone
Seung Ki Park
Keywords: 1-(o-Hydroxyphenyl)-2-pentamethyldisilanylethyne, Silacyclopropene, Photoreaction.

Abstract | Full Text: PDF


1207  

Effect of Photopolymerization on the Rate of Photocrosslink in Chalcone-based Oligomeric Compounds
Dong Hoon Choi, Sang Joon Oh, Si Young Ban, Kwang Yong Oh
Keywords: Photosensitivity, Chalcone-epoxy, Chalcone-dimethacrylate, Photocrosslink, Photopolymerization.

Abstract | Full Text: PDF


1213  

Photochemical Reduction of 1,2-Diketones in the Presence of TiO2
Joon Woo Park, Mi Jeung Hong, Kwanghee Koh Park
Keywords: Photoreduction, Titanium dioxide, 1,2-Diketone.

Abstract | Full Text: PDF


1217  

Synthesis and SAR of Benzimidazole Derivatives Containing Oxycyclic Pyridine as a Gastric H+/K+ -ATPase Inhibitors
Sung Yun Cho, Seung Kyu Kang, Sung Soo Kim, Hyae Gyeong Cheon, Joong-Kwon Choi, Eul Kgun Yum, Ki-Jun Hwang
Keywords: Benzimidazole, Oxycyclic pyridine, Gastric H+/K+-ATPase inhibitor.

Abstract | Full Text: PDF


1224  

Single Crystal Structure of Pure Inorganic Nanocomposite [GaO4Al12(OH)24(H2O)12][Al(OH)6Mo6O18]2(OH)·30H2O
Jung-Ho Son, Young-Uk Kwon
Keywords: Polyoxometalate, Nanocomposite, Cluster, Crystal structure.

Abstract | Full Text: PDF


1231  

Preparation of Pseudotetragonal ZrO0.75S and Its Electric Responses on Temperature and Frequency Related to Microstructural Relaxation
Young-A Ro, Sung-Jin Kim, You-Kyung Lee, Chy Hyung Kim
Keywords: ZrO0.75S, Pseudotetragonal structure, Dielectric relaxation, Activation energy of relaxation time.

Abstract | Full Text: PDF


1236  

Inhibition of Carboxypeptidase A with β-Lactone-bearing Phenylalanine. Design, Synthesis, and Stereochemistry-dependent Inhibition Mode
Mijoon Lee, Dong H. Kim
Keywords: Inhibition stereochemistry, Inhibitor design strategy, b-Lactone, Carboxypeptidase A.

Abstract | Full Text: PDF


1243  

Synthesis of Water-Soluble Aminoaryloxy-Methylamino Cosubstituted Polyphosphazenes as Carrier Species for Biologically Active Agents
Suk-Ky Kwon
Keywords: Aminoaryloxy, Methylamino, Polyphosphazenes.

Abstract | Full Text: PDF


1248  

Ab Initio Study of p-tert-Butylcalix[4]crown-6-ether Complexed with Alkyl Ammonium Cations
Jong-In Choe, Suk-Kyu Chang, Seung Wook Ham, Shinkoh Nanbu, Mutsumi Aoyagi
Keywords: Calix[4]crown-6-ether, Alkylammonium, Complex, Ab initio, Host-guest.

Abstract | Full Text: PDF


1255  

Analysis of Excluded Volume Effect in Theta Solvent Systems of Polymethyl Methacrylate and Polystyrene by Means of a Modified Scaled Temperature Parameter
Myung Ju Kim, Il Hyun Park
Keywords: Polymethyl methacrylate, Hydrodynamic size, Expansion factor, Universality, Scaled reduced temperature parameter.

Abstract | Full Text: PDF


1261  

Synthesis of Optically Active 1,2-Indene Oxide and Vicinal cis-Aminoindanols via Asymmetric Reduction of 2-Tolylsulfonyloxy-1-indanone with (-)-B-Chlorodiisopinocampheylborane
Byung Tae Cho, Ok Kyoung Choi
Keywords: (-)-B-Chlorodiisopinocampheylborane, (1S,2R)-1,2-Indene oxide, (1S,2R)-1-Amino-2-indanol, (1S,2R)-2-Amino-1-indanol, Asymmetric reduction.

Abstract | Full Text: PDF


1264  

Kinetic Study of α-Bromo-o-toluic Acid Using Raman Spectroscopy
Sangmi Jeon, Jiyoung Woo, Jin-Burm Kyong, Jaebum Choo
Keywords: Raman spectroscopy, a-Bromo-o-toluic acid, Solvolysis.

Abstract | Full Text: PDF


1267  

Mannich Cyclizations Promoted by Ce(IV) Oxidations of α-Aminocarboxylates and α-Stannylamines
Ung Chan Yoon, Ki Tae Kim, Sun Wha Oh, Dae Won Cho, Patrick S. Mariano
Keywords: Mannich cyclization, Ce(IV) oxidation, a-Aminocarboxylates, a-Stannylamines.

Abstract | Full Text: PDF


1270  

2-Oxazolines from N-(2-Hydroxyethyl)thioureas or -thioamides Using 1,3-Dicyclohexylcarbodiimide
Sung-Woo You, Kee-Jung Lee
Keywords: 2-Oxazolines, N-(2-Hydroxyethyl)thioureas, Thioamides, DCC.

Abstract | Full Text: PDF


1273  

A Simple Interface for a Gas Chromatography System for Air Samples in Sub-Ambient Pressure
Mi-Kyung Park, Ha-Man Cho, Jae-Cheol Nam, Jiyoung Kim, Kyung-Ryul Kim
Keywords: CFC-12, CFC-11, Background monitoring, Flask sampling, GC Interface system.

Abstract | Full Text: PDF


1277  

Unsaturated Ozonides from the Ozonolysis of Nonconjugated Cyclodienes in the Presence of Carbonyl Compounds
Shin Hee Park, Tae Sung Huh
Keywords: Unsaturated ozonide, Ozonolysis, Nonconjugated cyclodiene, Carbonyl compound.

Abstract | Full Text: PDF


1280  

Synthesis and Structural Aspects of Macrocycles Composed of Two 5-Mercapto-2,3-dihydro-1,3,4-thiadiazol-2-ones and Two Xylenes
Nam Sook Cho, Soon Il Hong, Young-Soo Park, Il-Hwan Suh
Keywords: 5-Mercapto-2,3-dihydro-1,3,4-thiadiazol-2-one, Heterocyclic macrocycle, X-Ray crystal structure, Mass spectra.

Abstract | Full Text: PDF