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 Vol. 79, No. 1 (January, 2006)

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Award Accounts
  Web Release Date:  January 13, 2006
 1-24   Function Cultivation of Transparent Oxides Utilizing Built-In Nanostructure
 H. Hosono,* T. Kamiya, and M. Hirano
[Full Text PDF(J-STAGE)]  Free Access Article

A view “a transparent oxide cannot be a platform for electro-active materials,” is widely accepted. We have cultivated new frontier of transparent oxide semiconductors and optical materials for UV-VUV laser by utilizing unique nanostructures built-in the materials.


Accounts
  Web Release Date:  January 13, 2006
 25-34   Multi-Dimensional Crystal Structures and Unique Solid-State Properties of Heterocyclic Thiazyl Radicals and Related Materials
 K. Awaga,* T. Tanaka, T. Shirai, M. Fujimori, Y. Suzuki, H. Yoshikawa, and W. Fujita*
[Full Text PDF(J-STAGE)]  Free Access Article

Heterocyclic thiazyl radicals and related materials were found to crystallize into multi-dimensional network structures formed by S···N contacts, coordination bondings, and π–π interactions, and to exhibit unique solid-state properties, such as room-temperature magnetic bistability, double melting, ferromagnetic ordering, polymorphs, etc.

  Web Release Date:  January 13, 2006
 35-46   Design and Synthesis of Bis(Zn(II)–Dipicolylamine)-Based Fluorescent Artificial Chemosensors for Phosphorylated Proteins/Peptides
 A. Ojida and I. Hamachi*
[Full Text PDF(J-STAGE)]  Free Access Article

The recognition and fluorescence sensing of phosphorylated protein/peptide by the synthetic chemosensors are described. The chemosensors use the metal–ligand interaction as a main binding force and strongly bind to the phosphorylated derivatives with changing their fluorescence properties.



BCSJ Award Article
  Web Release Date:  January 13, 2006
 47-52   Electromagnetophoretic Measurements of Adsorption Forces of Polystyrene Microparticles on Silica Surfaces in Surfactant Solutions
 Y. Iiguni and H. Watarai*
[Full Text PDF(J-STAGE)]  Free Access Article

A new technique for the measurement of adsorption force of a microparticle in an electrolyte solution was developed using electromagnetophoretic force. The adsorption forces of polystyrene particles to the bare inner walls and modified inner walls of a fused-silica capillary were determined by this method in the absence and in the presence of surfactants.



Articles
  Web Release Date:  January 13, 2006
 53-58   DFT Calculations of Cubane-Type Mo2Ru2S4 Clusters. Stability of a Possible Dinitrogen Cluster and an Isolable Acetonitrile Cluster
 K. Yoshizawa,* N. Kihara, Y. Shiota, H. Seino, and Y. Mizobe*
[Full Text PDF(J-STAGE)]

The interactions of cubane-type Mo2Ru2S4 clusters with dinitrogen and acetonitrile are analyzed from DFT calculations to increase our understanding of dinitrogen activation by synthetic systems.


  Web Release Date:  January 13, 2006
 59-66   Self-Organization Properties and Microstructures of Sodium N-(11-Acrylamidoundecanoyl)-L-valinate and -L-threoninate in Water
 S. Roy and J. Dey*
[Full Text PDF(J-STAGE)]

The self-assembly properties of sodium N-(11-acrylamidoundecanoyl)-L-valinate, and -L-threoninate were studied by surface tension, fluorescence probe, light scattering, and microscopic techniques. Circular dichroism spectra indicated formation of chiral aggregates. The transmission electron and optical micrographs revealed the presence of closed vesicles and twisted ribbon in aqueous solutions of the amphiphiles.


  Web Release Date:  January 13, 2006
 67-74   Semi-Empirically Based Assessment for Predicting Dilute Gas Transport Properties of F2 and Ar–F2 Fluids
 M. M. Papari,* D. Mohammad-Aghaie, J. Moghadasi, and A. Boushehri
[Full Text PDF(J-STAGE)]

Transport properties of Ar–F2 and F2 systems are predicted using isotropic potential energies. The predicted transport properties agree with available literature data. For example, the calculated viscosities of the Ar–F2 system deviate from the literature data to within 1%.


Selected Paper
  Web Release Date:  January 13, 2006
 75-79   Doppler-Free Two-Photon Excitation Spectroscopy and the Zeeman Effect in the “Channel Three” Region of C6H6
 D. Y. Baek, J. Chen, J. Wang, A. Doi, S. Kasahara, M. Baba, and H. Katô*
[Full Text PDF(J-STAGE)]

Line broadening was not observed up to high J levels in the S1 (ν1 = 1, ν14 = 1) state, whose excess energy is isoenergetic with low J levels in the S1 (ν1 = 2, ν14 = 1) state. Internal conversion depends on the excess energy and vibrational character.

  Web Release Date:  January 13, 2006
 80-87   Kinetic Study of Synthesizing Bisphenol A Diallyl Ether in a Phase-Transfer Catalytic Reaction
 M.-L. Wang* and Z.-F. Lee
[Full Text PDF(J-STAGE)]

The reaction was carried out by reacting allyl bromide and bisphenol A in an alkaline solution/organic solvent two-phase medium catalyzed by quaternary ammonium salts.


  Web Release Date:  January 13, 2006
 88-94   Thermodynamics of Ion-Exchange of Alkali Metal Ions on Crystalline Niobium(V) Phosphate
 A. Ahmad,* M. Rafatullah, and M. Danish
[Full Text PDF(J-STAGE)]

The batch studies of ion exchange of Li+, Na+, K+, Rb+, and Cs+ by C-NbP show the uptake of these ions as 0.70, 1.06, 1.37, 0.86, and 0.84 meq g−1, respectively. The thermodynamics studies of these ions also show the same order of uptake, i.e., Li+ < Rb+ < Cs+ < Na+ < K+.

  Web Release Date:  January 13, 2006
 95-99   Thermo-Responsive Polymer-Mediated Extraction Followed by Flotation for the Removal of Poly(aromatic hydrocarbons) from Gases
 T. Saitoh,* K. Mizutani, and M. Hiraide
[Full Text PDF(J-STAGE)]

PAHs in gas bubbles were efficiently dissolved in an aqueous solution of a thermo-responsive polymer. They were concentrated by polymer-mediated extraction and collected as a gum-like solid at the surface of water by flotation.



Selected Paper
  Web Release Date:  January 13, 2006
 100-105   Preparation, Structure, and Characterization of a Novel Diphosphoheptadecatungstate Complex, [(P2O7)W17O51]4−
 S. Himeno,* T. Katsuta, M. Takamoto, and M. Hashimoto
[Full Text PDF(J-STAGE)]

A novel diphosphoheptadecatungstate(4−) complex, [(P2O7)W17O51]4− was prepared from a 200 mM W(VI)–10 mM P2O74−–0.6 M HCl–40% (v/v) CH3CN system, and characterized by single-crystal X-ray diffraction, voltammetry, and IR, UV–vis, 31P NMR, and 183W NMR spectroscopy. This is the first example of a voltammetrically-reducible diphosphotungstate anion.

  Web Release Date:  January 13, 2006
 106-112   Comparison of Basicity of the Diimine and Quinoid Group of 1,10-Phenanthroline-5,6-dione Ligated on Pt(II)
 R. Okamura, T. Fujihara, T. Wada, and K. Tanaka*
[Full Text PDF(J-STAGE)]  [Supporting Information]

Interactions between Li+ and Pt complexes bearing phenO2 (phenO2 = 1,10-phenanthroline-5,6-dione) with a free quinoid moiety [2]+ and with a diimine moiety 3 were investigated. Extreme differences in the basicity of the quinoid and diimine groups in [2]+ and 3, respectively, reflect the electronic structure of the dioxolene moiety of the phenO2 ligand.

  Web Release Date:  January 13, 2006
 113-117   Steric and Electronic Effects of Substituents on Planar Nickel(II) Complexes: Synthesis, NMR Spectral and Single Crystal X-ray Structural Studies on Nickel(II) Dithiocarbamates with NiS2PN, NiS2PC, and NiS2P2 Chromophores
 B. Arul Prakasam, K. Ramalingam,* G. Bocelli, and A. Cantoni
[Full Text PDF(J-STAGE)]

Four new dithiocarbamatonickel(II) complexes were synthesized. A phenomenal deshielding is observed for the 31P signals. X-ray structural analysis of the complexes reveals that the trans effects on Ni–S bonds can be arranged in the following order: NCS− < PPh3 < CN−.

  Web Release Date:  January 13, 2006
 118-125   Structural Characterization of Copper(I) Complexes Supported by β-Diketiminate Ligands with Different Substitution Patterns
 C. Shimokawa, Y. Tachi, N. Nishiwaki, M. Ariga, and S. Itoh*
[Full Text PDF(J-STAGE)]  [Supporting Information]

Copper(I) complexes generated by using a series of β-diketiminate ligands (R1,R2LR3−; [(R3)N–C(R2)–C(R1)–C(R2)–N(R3)]−) have been structurally characterized by X-ray crystallographic analysis. The structure of the complexes are significantly affected not only by the aromatic group R3 attached to the ligand nitrogen but also the substituents R1 and R2 on the ligand carbon framework.


  Web Release Date:  January 13, 2006
 126-133   Intermolecular Association Model of Antifungal Polyene Macrolide via Concerted =C–H···O Interactions: X-ray Crystal Structure Analysis and Ab Initio Molecular-Orbital Calculations of Chainin
 Y. In, H. Ohishi,* H. Miyagawa, K. Kitamura, Y. Igarashi, and T. Ishida*
[Full Text PDF(J-STAGE)]  [Supporting Information]

The intermolecular association mode via concerted =C–H···O interactions between conjugated double bonds and multiple hydroxyl groups, proven for the first time to be weak but important interaction force, provides a possible ion-permeable channel structure of polyene macrolide in the cellular membrane.

  Web Release Date:  January 13, 2006
 134-139   Total Synthesis, Structural Revision, and Biological Evaluation of Calafianin, a Marine Spiroisoxazoline from the Sponge, Aplysina gerardogreeni
 T. Ogamino, R. Obata, H. Tomoda, and S. Nishiyama*
[Full Text PDF(J-STAGE)]

Calafianin and its isomer were successfully synthesized. Comparison of spectroscopic data between 1 and 13 resulted in structural revision of calafianin to 13. The significant difference in antimicrobial activity between 1 and 13 is discussed.




  Web Release Date:  January 13, 2006
 140-141   CsOH·H2O Promoted Areneselenenylation of Aryl Bromides and Iodides
 R. Varala, E. Ramu, and S. R. Adapa*
[Full Text PDF(J-STAGE)]

We report a transition metal-free synthetic protocol for the cross-coupling reaction of aryl bromides and aryl iodides and diphenyl diselenide (Ph2Se2) using CsOH·H2O as base, in DMSO, at 110 °C. Using this protocol, we show that a variety of diaryl selenides can be synthesized in moderate to good yields.




  Web Release Date:  January 13, 2006
 142-144   Direct and Convenient Synthesis of [Bis(trifluoroacetoxy)iodo]arenes from Iodoarenes
 M. D. Hossain and T. Kitamura*
[Full Text PDF(J-STAGE)]

An easy, safe, and effective method for preparing [bis(trifluoroacetoxy)iodo]arenes, ArI(OCOCF3)2, in high yields from some iodoarenes are reported, using a K2S2O8/CF3COOH/CH2Cl2 system.


  Web Release Date:  January 13, 2006
 145-148   Decomposition of Chlorobenzene over Phosphate and Sulfate Catalysts Properties
 Y. Takita,* Y. Sadatomi, H. Nishiguchi, and K. Nagaoka
[Full Text PDF(J-STAGE)]

Chlorobenzene was decomposed to CO, CO2, and HCl over AlPO4, Zr3(PO4)4, CePO4–AlPO4, and La2(SO3)3 in the presence of water vapor and oxygen above 673 K. The essential reaction for chlorobenzene decomposition is not hyrolysis, but oxidation.

  Web Release Date:  January 13, 2006
 149-153   Nano-Tribological Study on the Smoothness of Writing with a Ball-Point Pen Using Friction Force Microscopy
 H. Okuo,* T. Asahi, T. Onoue, and T. Osaka
[Full Text PDF(J-STAGE)]

An FFM (friction force microscopy) study that bridges nano- and macro-tribological factors in the act of writing.


  Web Release Date:  January 13, 2006
 154-162   Improvement of Electrochemical Capability of Sputtered Silicon Film Anode for Rechargeable Lithium Batteries
 S. Komaba,* F. Mikami, T. Itabashi, M. Baba, T. Ueno, and N. Kumagai
[Full Text PDF(J-STAGE)]

Silicon based-films were deposited on the roughened nickel substrate by r.f. magnetron sputtering. In a lithium cell, the Ag10Si90 film electrode demonstrated excellent capacity retention during 400 cycles with high discharge capacity of ca. 2000 mA h g−1.

  Web Release Date:  January 13, 2006
 163-169   Physico-Chemical Properties of New Liquid Crystals Incorporating a Benzofuran-2-one Skeleton
 Y. Morita, F. Zhang, T. Tasaka, R. Yamaguchi, H. Okamoto, and S. Takenaka*
[Full Text PDF(J-STAGE)]

Liquid crystal properties of 3H-2-oxobenzofuran-6-yl 4-(n-CnH2n+1O)benzoates and 4′-(n-CnH2n+1O)biphenyl-4-carboxylates are described.

  Web Release Date:  January 13, 2006
 170-176   Synthesis, Properties, and Application as Emitters in Organic Electroluminescence Devices of Quinacridone- and Squarylium-Dye-Centred Dendrimers
 M. Matsui,* S. Tanaka, K. Funabiki, and T. Kitaguchi
[Full Text PDF(J-STAGE)]

The UV–vis absorption and fluorescence spectra, solubility, and application as emitters in single-layer EL devices of Gn-QAs and Gn-SQs were examined.


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