» email contents alert » top accessed articles » article request » access registration » open access articles » FREE sample issue » next month's highlights » list of issues »	Bulletin of the Chemical Society of Japan Web Release Date: July 15, 2010 (No. 8 issue in press)    Web Release Date: July 15, 2010 Acid–Base Behavior of Substituted Hydrazone Complexes Controlled by the Coordination Geometry  M. Chang, H. Horiki, K. Nakajima, A. Kobayashi, H.-C. Chang, and M. Kato [Full Text PDF(J-STAGE)] The PNN-type hydrazone complexes exhibit distinctive color changes by deprotonation/protonation. The acidity constants (pKa) are largely influenced by the ligand deformation controlled by the coordination geometry, the pseudo-tetrahedron for CuI complexes and the square-planar for NiII and PtII complexes.    Web Release Date: July 15, 2010 Quasiclassical Trajectory Calculations of the Isotope Effect: Chemical Stereodynamics for the H(D) + FCl (v = 0–3,j = 0–3) → HCl(DCl) + F Reactions  Y. Peng [Full Text PDF(J-STAGE)] A comparative quasiclassical trajectory study of the H + FCl (v = 0–3,j = 0–3) → HCl + F reaction and its isotope variant has been carried out to investigate the isotope effect from a chemical stereodynamics view point.    Web Release Date: July 15, 2010 New Heteroaromatic Azo Compounds Based on Pyridine, Isoxazole, and Benzothiazole for Efficient and Highly Selective Amidation and Mono-N-Benzylation of Amines under Mitsunobu Conditions  N. Iranpoor, H. Firouzabadi, and D. Khalili [Full Text PDF(J-STAGE)] Heterocyclic azo compounds based on pyridine, isoxazole, and benzothiazole are used in conjunction with triphenylphosphine for the conversion of carboxylic acids into amides with primary and secondary aliphatic and aromatic amines and selective mono-N-benzylation of primary aromatic amines. Web Release Date: June 30, 2010 (No. 7 issue in press)    Web Release Date: June 30, 2010 Synthesis of Reactive Oligonucleotides for Gene Targeting and Their Application to Gene Expression Regulation  F. Nagatsugi and S. Sasaki [Full Text PDF(J-STAGE)] Synthetic oligodeoxynucleotides (ODNs) are valuable tools to interfere with gene expression. This review summarizes reactive ODNs with inducible reactivity, especially, efficient cross-linking reactions that have been developed by the author’s group.    Web Release Date: June 30, 2010 Monodisperse Iron Oxide Nanoparticles Embedded in Mg–Al Hydrotalcite as a Highly Active, Magnetically Separable, and Recyclable Solid Base Catalyst  S. Nishimura, A. Takagaki, and K. Ebitani [Full Text PDF(J-STAGE)] The composite hydrotalcite catalyst prepared by titration method using monodispersed magnetic iron oxide exhibited superparamagnetic behavior, high activity, magnetic separability, and recyclability for the epoxidation of 2-cyclohexen-1-one using hydrogen peroxide.    Web Release Date: June 30, 2010 Synthesis and Structures of Lithium Salts of Stannole Anions  M. Saito, T. Kuwabara, K. Ishimura, and S. Nagase [Full Text PDF(J-STAGE)] 1-Lithio-1-phenyl- and 1-lithio-1-trimethylsilylstannoles were synthesized and the corresponding lithium salts of stannole anions were characterized by X-ray diffraction analysis. The five-membered rings of the two lithium salts are planar with remarkable alternation of the C–C bonds, suggesting that they are both non-aromatic. Theoretical calculations are also carried out to discuss their electronic nature.    Web Release Date: June 30, 2010 Synthesis of 2-Halogenated Quinolines by Halide-Mediated Intramolecular Cyclization of o-Alkynylaryl Isocyanides  T. Mitamura, A. Nomoto, M. Sonoda, and A. Ogawa [Full Text PDF(J-STAGE)] When o-alkynylaryl isocyanides are treated with sources of halide ions such as fluoride, chloride, bromide, and iodide ions, the intramolecular halogenating cyclization of isocyanides takes place, affording the corresponding 2-halogenated quinoline derivatives in good to excellent yields, selectively.    Web Release Date: June 30, 2010 Synthesis and Thermally Stable Helix-Dimer Formation of Amidohelicene Oligomers  R. Amemiya, W. Ichinose, and M. Yamaguchi [Full Text PDF(J-STAGE)] Amidooligomers containing three to nine optically active helicene units were synthesized by a two-directional method. The CD spectra and VPO studies revealed that they formed thermally stable helix-dimer structure in non-polar solvents, while random-coil in hydrogen-bonding breaking solvents.    Web Release Date: June 30, 2010 Selenium-Catalyzed Deoxygenative Reduction of Aliphatic Nitro Compounds with Carbon Monoxide  Y. Nishiyama, S. Ikeda, H. Nishida, and R. Umeda [Full Text PDF(J-STAGE)] It was found that aliphatic nitro compounds were reduced by carbon monoxide in the presence of a selenium catalyst under mild conditions to give the corresponding oximes in moderate to good yields.    Web Release Date: June 30, 2010 Synthesis and Structure of Boron Compounds Bearing Tridentate Ligands with 1,3-Bicarbonylbenzene Skeleton  J. Nakatsuji and Y. Yamamoto [Full Text PDF(J-STAGE)] Organoboron compounds bearing ester and amide tridentate ligands were prepared and characterized by X-ray analysis. In these series, the coordination state and the degree of the B–O interaction depend on the substituents on the central boron atom and the ligands.    Web Release Date: June 30, 2010 Steric Crowding Effect of 1,3-Diketonates on the Structures and the Solution Behaviors of Nickel(II) Mixed-Ligand Complexes  M. Arakawa-Itoh, M. Shibata, W. Linert, and Y. Fukuda [Full Text PDF(J-STAGE)] Steric effect of 1,3-diketonate ligands on properties of nickel(II) mixed-ligand complexes was investigated by single crystal structures and spectroscopy.    Web Release Date: June 30, 2010 Ag–TiO2/Clay Composite Photocatalyst for the Oxidation–Cyclization of 1,2-Diamine Compounds with Propylene Glycol or Alcohols  K. Selvam, M. Annadhasan, R. Velmurugan, and M. Swaminathan [Full Text PDF(J-STAGE)] Ag–TiO2/clay composite catalyst was applied for the photocatalytic conversion of 1,2-diamines to benzimidazoles with various alcohols in acetonitrile. 2-aminothiophenol with primary alcohols forms only disulfide and hence this catalyst can be used as a green catalyst for disulfide synthesis.    Web Release Date: June 30, 2010 CH/π Interaction on the Structure of N-Substituted-4-phenyltetrahydroisoquinoline Derivatives  H. Suezawa, T. Yuzuri, Y. Kohno, Y. Yamaguchi, and M. Asami [Full Text PDF(J-STAGE)] Rotational barriers about the C–N bonds and differences of ground-state energies of tert-butyl 4-phenyltetrahydroisoquinoline-2-carboxylate derivatives were determined by NMR spectroscopy. The results are discussed assuming characteristic intramolecular CH/π interactions accompanied by results of X-ray structure analysis and ab initio MO and DFT calculations.    Web Release Date: June 30, 2010 Rapid Synthesis of Mesoporous SBA-16 Silica in Weakly Acidic Media  H. Wang, C. Han, H. Pu, L. Zhang, Z. Zou, and Y. Luo [Full Text PDF(J-STAGE)] Ordered SBA-16 mesoporous silicas with Im3m symmetry have been rapidly synthesized under weak acidic conditions in the presence of phosphomolybdic acid and inorganic salts. The aforementioned materials were characterized by XRD, N2 adsorption–desorption, and TG-DTA. Web Release Date: June 24, 2010 (No. 7 issue in press)    Web Release Date: June 24, 2010 Molecular Spectroscopic Imaging Using a White-Light Laser Source  H. Kano [Full Text PDF(J-STAGE)] A coherent anti-Stokes Raman scattering (CARS) microspectroscopic system is developed using a white-light laser source. Label-free and multi-color molecular spectroscopic imaging is performed through a multiplex CARS process.    Web Release Date: June 24, 2010 Light-Controlled Selective Metal Deposition on a Photochromic Diarylethene Film—Toward New Applications in Electronics and Photonics—  Y. Sesumi, S. Yokojima, S. Nakamura, K. Uchida, and T. Tsujioka [Full Text PDF(J-STAGE)] Selective metal deposition for Zn, Mg, and Mn on the diarylethene film was achieved by adjusting deposition rate. Fine metal patterns were produced by laser scanning and maskless vacuum-evaporation.    Web Release Date: June 24, 2010 Relative Gas Solubilities Correlate Linearly to the Refractive Indices of Aprotic Solvents  T. Katagiri and K. Uneyama [Full Text PDF(J-STAGE)] A linear correlation between the relative gas solubilities (O2/CO2) and refractive indices of aprotic solvents is shown. This empirical linear correlation would be useful to estimate relative gas solubilities of aprotic solvents.    Web Release Date: June 24, 2010 Atomic Radii for Depicting Atoms in a Molecule: Cu in Inert Gas Matrix  T. Naka, Y. Hatano, S. Yamamoto, T. Noro, and H. Tatewaki [Full Text PDF(J-STAGE)] The charge distribution of the Cu atom in the Ne matrix is drawn by the use of the present atomic radii. The Cu charge distribution overlaps those of the Ne atoms, indicating that Cu is strongly perturbed with Ne’s.    Web Release Date: June 24, 2010 Total Synthesis of 17-nor-Deoxophylloerythroetioporphyrin  S. Nomoto, J. Asano, K. Asahina, H. Mita, and Y. Kashiyama [Full Text PDF(J-STAGE)] Synthesis of 17-nor-deoxophylloerythroetioporphyrin, a sedimentary nor-porphyrin, was performed through a bilene-b route in a reasonable total yield. The porphyrin prepared here can potentially be used as a biological marker for chlorophyll c-producing algae. Web Release Date: June 18, 2010 (No. 7 issue in press)    Web Release Date: June 18, 2010 Tetra(p-t-butyl)thiacalix[4]arenetetrol Forms 4:1 Complex with Tetrakis(1-methyl-4-pyridinio)porphyrin  K. Hirakawa and H. Segawa [Full Text PDF(J-STAGE)] Tetra(p-t-butyl)thiacalix[4]arenetetrol formed 4:1 complexes with water-soluble cationic porphyrin, tetrakis(1-methyl-4-pyridinio)porphyrin, in dichloromethane phase.    Web Release Date: June 18, 2010 Liquid Junction Potential between Different Solvents: The Component due to Solvent–Solvent Interactions Is Dipole Potential in Nature  K. Izutsu [Full Text PDF(J-STAGE)] Among the three components of the liquid junction potential between different solvents, the component due to solvent–solvent interactions is a dipole potential. The left shows its electrolyte-independence and the right a model for it.    Web Release Date: June 18, 2010 A Novel Free Radical Probe Based on a Preluminescent Iridium Complex Bearing a Nitronyl Radical Moiety  H. Yoshikawa, M. Kobayashi, T. Takahashi, and K. Awaga [Full Text PDF(J-STAGE)] A novel iridium complex with an iminonitroxide bipyridine ligand was prepared as a preluminescent probe to detect free radicals. The nitroxide radical in the molecule traps free radicals, and its luminescence is enhanced, depending on the amounts of free radicals.    Web Release Date: June 18, 2010 Fingerprint-Detection of Sugar-Binding Proteins Generated by Labeled Structured Glycopeptides Arrays  T. Kawasaki, T. Ohyama, A. Hirata, and K. Nokihara [Full Text PDF(J-STAGE)] Based on a novel biochip-concept involving labeled structured peptides and the “protein-fingerprint” method, the construction of O-glycopeptide-array on a novel chip material and their use for biodetection are described.    Web Release Date: June 18, 2010 Living Radical Polymerizations in Supercritical CO2-Swollen Fluorinated Polymer Substrates  T. Arita, T. Yoshimura, and T. Adschiri [Full Text PDF(J-STAGE)] Living radical polymerizations in supercritical CO2-swollen fluorinated polymer substrates were investigated. The surface modification by interpenetration between synthesized polymer and fluorinated polymer chains has high functionality. That is, the extension of the penetrated polymer chain was possible.						» list of issues » BCSJ award articles
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