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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 30, Number 10
BKCSDE 30(10)
October 20, 2009 

 

2191  

Luminescence for Grafting Organic Molecules on γ-Alumina via the Reaction of Alumina and Organic Compounds
Jun Won Yoo, Yong Ill Lee, Danielle Ladd, Dong Gyun Seo, Chuljin Ahn*
Keywords: γ-Alumina, Hybrid materials, PL properties, Luminescence
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2191

Abstract | Full Text: PDF


2193  

Characterization of 2-Epicastasterone from Immature Seeds of Phaseolus vulgaris
Chan Ho Park, Takao Yokota, Seong Ki Kim*
Keywords: Brassinosteroids, 2-Epicastasterone, Structure elucidation, Biological activity
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2193

Abstract | Full Text: PDF


2195  

Photoelectric Activity of Thylakoid Layer Formed on Gold via Aminoalkanethiol Self-Assembled Monolayers
Jalal Ahmed, Wonchoul Park, Sunghyun Kim*
Keywords: Thylakoid, Photocurrent, Photosynthesis, Aminoalkanethiol, Surface modification
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2195

Abstract | Full Text: PDF


2197  

Measurement of Hydrogen Exchange Times of the RNA Imino Protons Using by Phase-modulated CLEAN Chemical Exchange Spectroscopy
Yeon Mi Lee, Eun Hae Lee, Yeo Jin Seo, Young Min Kang, Ji Hyang Ha, Hee Eun Kim, Joon Hwa Lee*
Keywords: NMR, Hydrogen exchange, Imino proton, RNA, CLEANEX-PM
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2197

Abstract | Full Text: PDF


2199  

Second-harmonic Generation and Multiphoton Induced Photoluminescence in ZnO
Noh Soo Han, Hyeong Seop Shim, Seung Min Park*, Jae Kyu Song*
Keywords: ZnO, Second-harmonic generation, Two-photon absorption, Three-photon absorption
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2199

Abstract | Full Text: PDF


2201  

Studies on the Total Synthesis of Amphidinolide O (IV): A Stereoselective Synthesis of C1-C11 Fragment
Hyun Woo Joo, Hye Jin Jung, Min ho Hwang, Duck Hyung Lee*
Keywords: Amphidinolide O, Anti-cancer activity, Asymmetric allylation, syn-Aldol reaction
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2201

Abstract | Full Text: PDF


2203  

Chemical Equilibria of Nickel Chloride in HCl Solution at 25℃
Man Seung Lee, Sang Ho Nam*
Keywords: NiCl2, HCl, Ionic equilibria, pH
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2203

Abstract | Full Text: PDF


2208  

Autoxidation of Cycloalkenes by the System “Molecular Oxygen-bis(acetylacetonato) Cobalt (II) Complex-butyraldehyde”
Zhao Fang, Rui ren Tang*, Rui rong Zhang, Ke long Huang
Keywords: Epoxidation, Cycloalkenes, Acetylacetone cobalt (II), Molecular oxygen
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2208

Abstract | Full Text: PDF


2213  

Preparation and Luminescent Properties of a Novel Carbazole Functionalized Bis-β-diketone Ligand and Corresponding Eu(III) and Tb(III) Complexes
Wei Zhang, Chang hui Liu, Rui ren Tang*, Chang Quan Tang
Keywords: Organic ligand, Carbazole, Bis-β-diketone, Eu(III) and Tb(III) complexes, Luminescent property
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2213

Abstract | Full Text: PDF


2217  

A Theoretical Study on the Reaction of Phosphadioxiranes and Thiadioxiranes; Disproportionation versus Epoxidation
Keepyung Nahm
Keywords: Phosphadioxiranes, Thiadioxiranes, Computation, Disproportionation, Epoxidation
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2217

Abstract | Full Text: PDF


2223  

Improved Cycle Performance of Sulfur-Doped LiFePO4 Material at High Temperatures
Seung Byung Lee, Seung Hyun Cho, Vanchiappan Aravindan, Hyun Soo Kim, Yun Sung Lee*
Keywords: LiFePO4, Sulfur ion doping, Cathode material, Sol-gel, High temperature
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2223

Abstract | Full Text: PDF


2227  

Synthesis of Novel Polythiol for Plastic Optical Lens and its Ophthalmic Lens
Dong Gyu Jang,Soo Gyun Roh, Jong Hyo Kim, Wen Yi Jin, Jin Moo Seo, Myeong Ja Kwon, Soo Min Lee*
Keywords: Plastic optical lens, Polythiol, Polythiourethane, Refractive index, Abbe’s number
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2227

Abstract | Supporting Information | Full Text: PDF


2233  

Structural and Molecular Orbital Properties of Some Boroxine Derivatives-A Theoretical Study
Lemi Turker*, Selcuk Gumus, Taner Atalar
Keywords: Boroxine, NICS, Aromaticity, DFT, ab initio
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2233

Abstract | Full Text: PDF


2240  

Quality Evaluation of Moutan Cortex Radicis Using Multiple Component Analysis by High Performance Liquid Chromatography
Yan Ding, Enqi Wu, Jianbo Chen, Huu Tung Nguyen, Thi Ha Do, Kyung Lae Park, KiHwan Bae, Young Ho Kim, Jong Seong Kang*
Keywords: Moutan Cortex Radicis, HPLC, Qualitative evaluation, Chromatographic fingerprint
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2240

Abstract | Full Text: PDF


2245  

Room Temperature Chemical Vapor Deposition for Fabrication of Titania Inverse Opals: Fabrication, Morphology Analysis and Optical Characterization
Jun Hyuk Moon*, Young Sang Cho, Seung Man Yang
Keywords: Chemical vapor depostision, Titania inverse opals, Photonic band gap
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2245

Abstract | Supporting Information | Full Text: PDF


2249  

Iron-loaded Natural Clay as Heterogeneous Catalyst for Fenton-like Discoloration of Dyeing Wastewater
Huan Yan Xu*, Xiu Lan He, Ze Wu, Lian Wei Shan, Wei Dong Zhang
Keywords: Fe-loaded clay, Acid fuchsine, Heterogeneous catalyst, Discoloration, Fenton-like reaction
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2249

Abstract | Full Text: PDF


2253  

Process Optimization for Preparing High Performance PAN-based Carbon Fibers
Jeong Hyeon Yun, Bo Hye Kim, Kap Seung Yang*, Yun Hyuk Bang, Sung Ryong Kim, Hee Gweon Woo
Keywords: Carbon fiber, Stabilization, Carbonization, Tension, Tensile strength
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2253

Abstract | Full Text: PDF


2259  

Non-isothermal Decomposition Kinetics of a New High-energy Organic Potassium Salt: K(DNDZ)
Kangzhen Xu*, Fengqi Zhao*, Jirong Song, Xiaolei Ren, Hongxu Gao, Siyu Xu, Rongzu Hu
Keywords: 1,1-Diamino-2,2-dinitroethylene (FOX-7), 2-(Dinitromethylene)-1,3-diazepentane (DNDZ), Non-isothermal decomposition kinetics, Specific heat capacity, Adiabatic time-to-explosion
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2259

Abstract | Full Text: PDF


2265  

Polymorphic Forms of Furosemide Characterized by THz Time Domain Spectroscopy
Min Ge, Guifeng Liu*, Shihua Ma, Wenfeng Wang*
Keywords: Terahertz, Furosemide, DFT, XRPD, Polymorphic forms
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2265

Abstract | Full Text: PDF


2269  

Synthesis of Organic Dyes with Linkers Between 9,9-Dimethylfluorenyl Terminal and α-Cyanoacrylic Acid Anchor, Effect of the Linkers on UV-Vis Absorption Spectra, and Photovoltaic Properties in Dye-Sensitized Solar Cells
Min Woo Lee, Su Bong Cha, Su Jin Yang, Se Woong Park, Kyungkon Kim, Nam Gyu Park*, Duck Hyung Lee*
Keywords: 9,9-Dimethylfluorenyl terminal, α-Cyanoacrylic acid anchor, Thiophene linker, Organic dye, Dye-sensitized solar cells
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2269

Abstract | Full Text: PDF


2280  

Sonochemical Synthesis of Amorphous Zinc Phosphate Nanospheres
Seung Ho Jung, Eugene Oh, Daeseob Shim, Da Hye Park, Seungho Cho, Bo Ram Lee, Yeon Uk Jeong, Kun Hong Lee*, Soo Hwan Jeong*
Keywords: Zinc phosphate, Nanosphere, Ultrasound, Sonochemistry
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2280

Abstract | Full Text: PDF


2283  

Preparation of Water Soluble Polythiophenes Mediated by Highly Active Zinc
Seung Hoi Kim, Jong Gyu Kim*
Keywords: Water soluble, Polythiophenes, Active zinc, Polymerization
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2283

Abstract | Full Text: PDF


2287  

Quality Assessment of Curcuma longa L. by Gas Chromatography-Mass Spectrometry Fingerprint, Principle Components Analysis and Hierarchical Clustering Analysis
Ming Li, Xin Zhou*, Yang Zhao, Dao Ping Wang, Xiao Na Hu
Keywords: Fingerprint, Curcuma longa L., GC-MS, Principle components analysis, Hierachical clustering analysis
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2287

Abstract | Full Text: PDF


2294  

Synthesis, Characterization and Biological Evaluation of a Series of Levofloxacin Carboxamide Analogues
Najma Sultana, Muhammad Saeed Arayne*, Syeda Bushra Shakeb Rizvi, Muhammad Ahmed Mesaik
Keywords: Levofloxacin, Nucleophilic substitution reaction, Antibacterial activity, Synergistic, Antagonistic
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2294

Abstract | Full Text: PDF


2299  

Highly Efficient Three Wavelength WOLEDs by Controlling of Electron-Transfer
Ho Cheol Park, Jong Wook Park*, Seong Geun Oh
Keywords: Three-wavelength WOLED, Electron-transfer, Non-doped NPB
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2299

Abstract | Full Text: PDF


2303  

Organopalladium(II) Complexes as Ionophores for Thiocyanate Ion-Selective Electrodes
Dong Wan Kim, So Hyun Lee, Junghwan Kim, Jineun Kim, Jong Keun Park, Jae Sang Kim*
Keywords: [(dppe)PdI2], Thiocyanate ion-selective electrode, Fixed interference method, PVC membrane
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2303

Abstract | Full Text: PDF


2309  

Depurination of Nucleosides and Calf Thymus DNA Induced by 2-Bromopropane at the Physiological Condition
Jyoti Sherchan, Hoyoung Choi, Eung Seok Lee*
Keywords: Depurination, Nucleosides, Calf-thymus DNA, 2-Bromopropane, Dose and time response relationship
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2309

Abstract | Full Text: PDF


2318  

Deadenylation of Adenine Based-Nucleosides and Calf thymus DNA Induced by Halogenated Alkanes at the Physiological Condition
Jyoti Sherchan, Minho Yun, Eung Seok Lee*
Keywords: Deadenylation, Depurination, Halogenated alkanes, Adenine base-nucleosides, Calf thymus DNA
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2318

Abstract | Full Text: PDF


2329  

Synthesis and Photovoltaic Properties of Novel Ruthenium(II) Sensitizers for Dye-sensitized Solar Cell Applications
Tae In Ryu, Myungkwan Song, Myung Jin Lee, Sung Ho Jin*, Sunwoo Kang, Jin Yong Lee, Jae Wook Lee*, Chan Woo Lee, Yeong Soon Gal
Keywords: Ruthenium sensitizer, Oligothiophene, Dye-sensitized solar cell
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2329

Abstract | Full Text: PDF


2338  

Swellable Submicrospheres of Ionic Palladium(II) Complexes Containing Decylmethylbis(m-pyridyl)silane
Yoon Kyong Ryu, Cho Rong Kim, Chi Won Kim, Tae Hwan Noh, Ok Sang Jung*
Keywords: Coligand effects, Decylmethylbis(m-pyridyl)silane, Ionic palladium(II) complexes, Swellable submicrospheres
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2338

Abstract | Full Text: PDF


2341  

Ring-Conformations via the Competition of Electrostatic Interaction and Argentophilic Interaction. Cyclodimeric Structures of Silver Trifluoromethanesulfonate Containing Isonicotinate Ester Ligands
Chi Won Kim, Cho Rong Kim, Tae Hwan Noh, Ok Sang Jung*
Keywords: Isonicotinoyl ligands, Metallacyclodimers, Ring-conformation, Silver(I) complexes
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2341

Abstract | Full Text: PDF


2345  

Bioactive Cyclopentenone Derivatives from Marine Isolates of Fungi
Zhile Feng, Alain S Leutou, Guohua Yang, Viviane N Nenkep, Xavier N Siwe, Hong Dae Choi, Jung Sook Kang, Byeng Wha Son*
Keywords: Trichoderma viride, Rhizopus stolonifer, Cyclopentenone, Myrothenone, Botrytinone
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2345

Abstract | Full Text: PDF


2351  

Use of Correlation of 1H and 13C Chemical Shifts of N-Arylsuccinanilic Acids, N-Arylsuccinimides, N-Arylmaleanilic Acids, and N-Arylmaleimides with the Hammett Substituent Constants for the Studies of Electronic Effects
Hye Sun Lee, Ji Sook Yu, Chang Kiu Lee*
Keywords: Correlation of chemical shifts, Succinanilic acid, Succinimide, Maleanilic acid, Maleimide
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2351

Abstract | Full Text: PDF


2355  

Fillers for Solid-State Polymer Electrolytes: Highlight
Srun Jung, Dae Won Kim, Sang Deuk Lee, Minserk Cheong, Dinh Quan Nguyen*, Byung Won Cho*, Hoon Sik Kim*
Keywords: Secondary battery, Lithium, Fillers, Nanocomposite, Solid-state electrolyte
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2355

Abstract | Full Text: PDF


2362  

Synthesis of Platinum Nanostructures Using Seeding Method
Sang Beom Han, You Jung Song, Jong Min Lee, Jy Yeon Kim, Do Hyung Kim, Kyung Won Park*
Keywords: Platinum, Hexapod, Shape control, Seeding method
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2362

Abstract | Full Text: PDF


2365  

Photoelectric Characteristics of Nanocrystalline TiO2 Film Prepared from TiO2 Colloid Sol for Dye-Sensitized Solar Cell
Kyung Jun Hwang, Jae Wook Lee, Ho Sung Yoon, Hee Dong Jang, Jin Geol Kim, Jin Suk Yang, Seung Joon Yoo*
Keywords: Dye-sensitized solar cell, TiO2 colloidal sol, Aging
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2365

Abstract | Full Text: PDF


2371  

Solution-Processable Field-Effect Transistors Fabricated Using Aryl Phenoxazine Based Polymers as the Active Layer
Hye Seon Yoon, Woo hyung Lee, Ji Hoon Lee, Dong Gun Lim, Do Hoon Hwang, In Nam Kang*
Keywords: Organic transistors, Semiconducting polymers, Phenoxazine
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2371

Abstract | Full Text: PDF


2377  

New Route to N-Formylation of Primary Amines with Amino Acids as a Source of CO Using Polyaniline Catalyst
Jeong Soo Ahn, Ki Whan Chi, Ho Yun Hwang, Kwang Sun Ryu, Chan Woo Lee*
Keywords: N-Formylation, CO generation, Amino acid, Polyaniline emeraldine salt
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2377

Abstract | Full Text: PDF


2381  

The Synthesis of Novel Mono(alkoxy)-, Tris(thio)- and Tetrakis(thio)-Substituted Quinones from the Reactions of p-Chloranil with Various S-Nucleophiles
Cemil Ibis*, Mahmut Yildiz, Cigdem Sayil*
Keywords: p-Chloranil, Tetrathiobenzoquinones, Thioquinone compounds, Quinone derivatives, n-Propanethiol
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2381

Abstract | Full Text: PDF


2387  

Electrogenerated Chemiluminescence Sensor Based on Tris(2,2'-bipyridyl) ruthenium(II) Immobilized in the Composite Film of Multi-walled Carbon Nanotube/Sol-gel Zinc oxide/Nafion
Eun Jung Choi, Chang Hoon Kang, Han Nim Choi*, Won Yong Lee*
Keywords: Electrogenerated chemiluminescence, Ru(bpy)32+, Sol-gel, Zinc oxide-Nafion composite film, Carbon nanotube
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2387

Abstract | Full Text: PDF


2393  

The α-Effect and Mechanism of Reactions of Y-Substituted Phenyl Benzenesulfonates with Hydrogen Peroxide Ion
Li Ra Im, Ik Hwan Um*
Keywords: The α-Effect, Brønsted-type plot, Hammett plot, Intramolecular H-bonding, Solvent effect
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2393

Abstract | Full Text: PDF


2398  

Isolation and Structural Elucidation of Related Impurities in Canrenone
Ya Xi Yang, Guo Rong Chen*
Keywords: Canrenone, Imputities, Chromatographic methods, Spectrometric analysis
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2398

Abstract | Full Text: PDF


2403  

Kinetics and Mechanism of Nucleophilic Displacement Reactions of Y-Substituted Phenyl Benzoates with Z-Substituted Phenoxides
Se Won Min, Jin A Seo, Ik Hwan Um*
Keywords: Acyl-group transfer, Aryl benzoates, Brønsted-type plot, Concerted mechanism, Yukawa-Tsuno plot
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2403

Abstract | Full Text: PDF


2408  

Correlation of the Rates of Solvolysis of Methyl Fluoroformate Using the Extended Grunwald-Winstein Equation
Mi Hye Seong, Song Hee Choi, Yong Woo Lee, Jin Burm Kyong*, Dong Kook Kim, Dennis N Kevill
Keywords: Methyl fluoroformate, Addition-elimination, Grunwald-Winstein equation, Solvent isotope effect
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2408

Abstract | Full Text: PDF


2413  

Kinetic Studies of the Solvolyses of 4-Nitrophenyl Phenyl Thiophosphorochloridate
Han Joong Koh*, Suk Jin Kang
Keywords: 4-Nitrophenyl phenyl thiophosphorochloridate, Extended Grunwald-Winstein equation, SN2 mechanism, Kinetic solvent isotope effects
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2413

Abstract | Full Text: PDF


2419  

Silica Supported Ammonium Acetate: An Efficient and Recyclable Heterogeneous Catalyst for Knoevenagel Condensation between Aldehydes or Ketones and Active Methylene Group in Liquid Phase
Raman Gupta, Monika Gupta, Satya Paul, Rajive Gupta*
Keywords: Knoevenagel, Heterogeneous, Recyclable, Aldehyde or ketone, Active methylene group
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2419

Abstract | Full Text: PDF


2422  

2-Deoxy-25-methyldolichosterone and 3-epi-2-Deoxy-25-methyldolichosterone in Immature Seeds of Phaseolus vulgaris
Chan Ho Park, Takao Yokota, Seong Ki Kim*
Keywords: Brassinosteroids, Phaseolus vulgaris, Biosynthesis, Biological activity, 24-Methylene-25-methyl-BRs
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2422

Abstract | Full Text: PDF


2425  

Crystal Structures of Macrocyclic Compounds Containing Two 5-Mercapto-3H-1,3,4-thiadiazolin-2-one Groups
Nam Sook Cho*, Soon Il Hong, Il Hwan Suh, Sung Kwon Kang
Keywords: 5-Mercapto-3H-1,3,4-thiadiazolin-2-one, Macroheterocyclic compound, X-ray structure
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2425

Abstract | Full Text: PDF


2429  

The Quantitative Analyses of the Dissolved Manganese in the Electrolyte of Li/LiMn2O4 Cell Using by Ion Chromatography
Chil hoon Doh*, Jung hoon Lee, Duck Jun Lee, Bong soo Jin, Seong in Moon
Keywords: Manganese dissolution, Lithium manganate, Ion chromatography, Lithium battery
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2429

Abstract | Full Text: PDF


2433  

Novel Acetylated Linear Periplasmic Glucans Isolated from Pseudomonas syringae
Eunae Cho, Seunho Jung*
Keywords: Acetylated glucans, Linear periplasmic glucans, Structural analysis, Pseudomonas syringae
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2433

Abstract | Full Text: PDF


2437  

Kinetic Studies of the Solvolyses of Phenyl 4-Methylphenoxy Thiophosphinyl Chloride
Han Joong Koh*, Suk Jin Kang
Keywords: Phenyl 4-methylphenoxy thiophosphinyl chloride, Extended Grunwald-Winstein equation, SN2 pathway, Kinetic studies
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2437

Abstract | Full Text: PDF


2440  

Silica Sulfuric Acid/ZnCl2ㆍ6H2O: An Efficient and Green Alternative for the Synthesis of Tetraarylporphyrins
Bi Bi Fatemeh Mirjalili*, Abdolhamid Bamoniri, Rasoul Vafazadeh, Leila Zamani
Keywords: Porphyrin, Silica sulfuric acid, ZnCl2ㆍ6H2O, Tetraarylporphyrin, Porphyrinogen
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2440

Abstract | Full Text: PDF


2443  

Dephenylation of Decaphenylcyclopentasilane with HCl Catalyzed by Aluminum Chloride: Facile Synthetic Route to Cyclopentasilane
Dong Won Lee, Young ae Whang Park, Joon Soo Han, Bok Ryul Yoo*
Keywords: Silane, Cyclopentasilane, Polysilane, Aluminum chloride, Hydrogen chloride
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2443

Abstract | Full Text: PDF


2446  

Two New Phenolic Glycosides from Hypoxis aurea Lour
Zhong Quan Cheng, Dan Yang, Yu Qing Liu, Jiang Miao Hu, He Zhong Jiang, Peng Cheng Wang, Ning Li, Jun Zhou*, You Xing Zhao*
Keywords: Hypoxis aurea, Aureaside, Phenolic glycoside
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2446

Abstract | Full Text: PDF


2449  

Elucidation of Double Exponential Behavior in the T1 Relaxation of the Tetrahymena Group I Ribozyme
Hee Eun Kim, Yeo Jin Seo, Young Min Kang, Eun Hae Lee, Yeon Mi Lee, Joon Hwa Lee*
Keywords: NMR, T1 Relaxation, Group I intron, Ribozyme, Dynamics
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2449

Abstract | Full Text: PDF


2453  

Kinetics and Mechanism of the Aminolysis of Thiophenyl Cyclohexanecarboxylates
Hyuck Keun Oh*, Soon Kang Hong
Keywords: Nucleophilic substitution, Acyl transfer reaction, Cross-interaction constant, Kinetic isotope effects, Stepwise mechanism
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2453

Abstract | Full Text: PDF


2457  

Electrochemical Investigation of Carbon Paste Biosensor Bound with Natural Rubber Solution
Beom Gyu Lee, Keun Bae Rhyu, Kil Joong Yoon*
Keywords: Biosensor, Peroxide, Peroxidase, Carbon paste electrode, Natural rubber
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2457

Abstract | Full Text: PDF


2461  

Unusual Ru(III) Chloro Complexes Containing Bis-dentate Ligands
Won K Seok*, Li J Zhang
Keywords: Ru(III) dichloro complexes, Bis-dentate phosphine ligands, Crystal structure
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2461

Abstract | Full Text: PDF


2464  

Structural Elucidation and Characterization of N-Heterocyclic Salts with Various Anions
Ji Hye Kim, Kyoung A Jo, Young Hoon Son, Sae Rom Park, Kwang Hyun Ahn, Eun Joo Kang*
Keywords: N-Heterocyclic salts, Anion exchange, Carbene, Reprotonation, Benzoin reaction
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2464

Abstract | Full Text: PDF


2467  

A Cyclic Trinuclear 1,2,4-Triazole-containing Copper(II) Complex Involving a Pyramidal Cu3(OH) Core: Synthesis, Structure and Fluorescence
Xiu Cheng Zhang*, Bing Liu*
Keywords: Copper, Crystal structure, Cyclic trinuclear, Fluorescence, 1,2,4-Triazole
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2467

Abstract | Full Text: PDF


2471  

Novel DPP-IV-resistant Analogs of GLP-1: The N-terminal Extension of GLP-1 by a Single Amino Acid
Ji Yeon Oh, ChangWoo Lee, Sei Heon Jang, Seung Bum Yoo, Hye Shin Chung*
Keywords: Glucagon-like peptide-1, Dipeptidyl peptidase IV, Fc fusion, Type 2 diabetes
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2471

Abstract | Full Text: PDF


2475  

Synthesis of Peptide Amides on Safety-catch Resin with Microwave Irradiation
Jun won Park, Keun Hyeung Lee*
Keywords: Safety-Catch linker, Alkanesulfonamide, Microwave irradiation, Peptide amides, Solid phase synthesis
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2475

Abstract | Full Text: PDF


2479  

An Efficient and Chemoselective Method for Synthesis of 1,3-Oxathiolanes from Aldehydes and their Deprotection Catalyzed by V(HSO4)3
F Shirini*, M Abedini, M Ghasemi, A R Sakhaei
Keywords: V(HSO4)3, 2-Mercaptoethanol, 1,3-Oxathiolane, Oxathioacetalyzation, Aldehydes
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2479

Abstract | Full Text: PDF


2481  

Synthesis, Isolation and Crystal Structure Characterization of (Z)-4'-(1-Phenyl-2-p-tolylvinyl)biphenyl-4-carbaldehyde
Chul Bae Kim, Hyunjong Jo, Sung Kyung Lee, Kwangyong Park*
Keywords: (Z)-4'-(1-Phenyl-2-p-tolylvinyl)biphenyl-4-carbaldehyde, X-ray structure, Single crystal, NOESY spectra, Horner-Wadsworth-Emmons reaction
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2481

Abstract | Full Text: PDF


2485  

Efficient Colorimetric Assay of RNA Polymerase Activity Using Inorganic Pyrophosphatase and Ammonium Molybdate
Bokhui Lee, Sun Young Park, Yong Seok Heo, Sung Su Yea, Dong Eun Kim*
Keywords: Ammonium molybdate, Colorimetric detection of Pi, Inorganic pyrophosphatase, RNA polymerase
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2485

Abstract | Full Text: PDF


2489  

A Short Path to the 1,3-cis-Substituted Core Skeleton of Tetrahydroisoquinolines
Le Anh Tuan, Guncheol Kim*
Keywords: Tetrahydroisoquinolines, Bischler-Napieralski reaction, Reductive azide-ester cyclization, Lactam
DOI: https://doi.org/10.5012/bkcs.2009.30.10.2489

Abstract | Full Text: PDF