» 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: January 29, 2010 (No. 2 issue in press)    Web Release Date: January 29, 2010 Chiral Phosphoric Acids as Versatile Catalysts for Enantioselective Carbon–Carbon Bond Forming Reactions  M. Terada [Full Text PDF(J-STAGE)] Binaphthol-derived monophosphoric acids were designed as novel chiral Brønsted acid catalysts. The chiral phosphoric acids thus developed functioned as efficient enantioselective catalysts for a variety of carbon–carbon bond forming reactions affording enantioenriched products in excellent selectivities.    Web Release Date: January 29, 2010 Easy Separation of Optically Active Secondary Alcohols by Enzymatic Hydrolysis of Soluble Polymer-Supported Carbonates  M. Okudomi, M. Shimojo, M. Nogawa, A. Hamanaka, N. Taketa, T. Nakagawa, and K. Matsumoto [Full Text PDF(J-STAGE)] The enzyme-mediated enantioselective hydrolysis of middle molecular weight poly(ethylene glycol) (PEG)-supported carbonates is disclosed. In this system, the separation of the remaining (S)-substrate and the resulting (R)-alcohol was achieved by a simple procedure without any laborious column chromatography.    Web Release Date: January 29, 2010 Adsorption of Simazine on a Glassy Carbon Electrode  S. Pintado and J. M. R. Mellado [Full Text PDF(J-STAGE)] Measurements of differential capacity vs. potential have been made for the herbicide simazine (2-chloro-4,6-bis(ethylamino)-1,3,5-triazine). The decrease in capacity was independent of the applied potential, so the adsorption is independent of the potential. The adsorption follows a Langmuir type isotherm.    Web Release Date: January 29, 2010 A Novel 3D Photoluminescent Silver(I) Coordination Polymer Featuring Unusual μ4-Bonded and Usual μ2-Bonded 2-Aminopyrazine  D. Sun, G.-G. Luo, N. Zhang, Q.-J. Xu, Z.-H. Wei, C.-F. Yang, L.-R. Lin, R.-B. Huang, and L.-S. Zheng [Full Text PDF(J-STAGE)] The coexistence of unusual μ4- and usual μ2-bonded modes of 2-aminopyrazine is observed for the first time in a novel 3D Ag(I) coordination polymer incorporating 1D {[Ag4(μ4-NHpyz)2]2+}n cylinders. Moreover, 1 exhibits photoluminescence properties.    Web Release Date: January 29, 2010 A Comparative Study on Chiral and Racemic 12-Hydroxyoctadecanoic Acids in the Solutions and Aggregation States: Does the Racemic Form Really Form a Gel?  T. Sakurai, Y. Masuda, H. Sato, A. Yamagishi, H. Kawaji, T. Atake, and K. Hori [Full Text PDF(J-STAGE)] Separately formed gels of d- and l-12HOAs became a solution on maintaining contact, showing that dl-12HOA does not form a gel. NMR spectroscopy shows that molecular aggregation is more favorable in the dl-12HOA solutions than in the d-12HOA solutions.    Web Release Date: January 29, 2010 Preparation and Reactivity of Vitamin B12–TiO2 Hybrid Catalyst Immobilized on a Glass Plate  H. Shimakoshi, M. Abiru, K. Kuroiwa, N. Kimizuka, M. Watanabe, and Y. Hisaeda [Full Text PDF(J-STAGE)] The vitamin B12–TiO2 hybrid catalyst was effectively immobilized on a glass plate, and the immobilized catalyst shows efficient reactivity for various molecular transformations during irradiation by UV light.    Web Release Date: January 29, 2010 Incorporation of Non-Natural Amino Acids with Two Labeling Groups into the N-Terminus of Proteins  T. Egusa, K. Shiraga, T. Chiba, Y. Tokuda, I. Iijima, and T. Hohsaka [Full Text PDF(J-STAGE)] Non-natural amino acids with both fluorophore and biotin were designed, synthesized, and incorporated into the N-terminus of proteins in response to a UAG initiator codon in a cell-free protein synthesizing system.    Web Release Date: January 29, 2010 Reactions of Molybdenum Tetrahydrido Complex with Halohydrosilanes  S. Kuramochi, Y. Kido, S. Shioda, M. Minato, M. Kakeya, and K. Osakada [Full Text PDF(J-STAGE)] The thermal reactions of [MoH4(dppe)2] (1, dppe = Ph2PCH2CH2PPh2) with RSiH2X afford [MoH2X(dppe){[Ph2PCH2CH2P(Ph)C6H4-o]RXSi-P,P,Si}] (R = Ph, X = Cl (5a); R = cyclo-C6H11, X = Cl (5b); and R = Ph, X = Br (6)) by synchronous activation of the Si–H bond and the ortho C–H bond of the dppe ligand. Reduction of the Si–Cl and Mo–Cl bonds in 5a with LiAlH4 gives the original complex 1 as a result of Si–C bond cleavage.    Web Release Date: January 29, 2010 Synthesis and Structure of Group 10 Metal Complexes with New Tripodal Tetradentate Ligand Bearing One Phosphine and Three Thioether Moieties  N. Takeda, Y. Tanaka, F. Sakakibara, and M. Unno [Full Text PDF(J-STAGE)] A new phosphine ligand tethered with three thioether moieties, [2-(i-PrS)C6H4]3P, forms five-coordinate trigonal-bipyramidal complexes with nickel(II) and palladium(II) and a square-planar complex with platinum(II). These results are consistent with the tendency to form five-coordinate complex in the order of NiII > PdII > PtII.    Web Release Date: January 29, 2010 Partial Pair Correlation Functions of Highly Concentrated Aqueous Urea Solutions Determined by Neutron Diffraction with 14N/15N and H/D Isotopic Substitution Methods  Y. Kameda, A. Maki, Y. Amo, and T. Usuki [Full Text PDF(J-STAGE)] Neutron diffraction measurements were carried out on 14N/15N and H/D isotopically substituted aqueous 25 mol % urea solutions in order to obtain direct experimental information on the short-range structure of the urea–urea, urea–water, and water–water interactions in highly concentrated aqueous urea solutions near saturation.    Web Release Date: January 29, 2010 Viscoelasticity, Leachability, and Antimicrobial Activity of Poly(vinyl chloride) Blended with Benzyldimethyltetradecylammonium Bis(2-ethylhexyl) Sulfonatosuccinate  H. Katano and T. Tsukatani [Full Text PDF(J-STAGE)] Benzyldimethyltetradecylammonium salt with bis(2-ethylhexyl) sulfonatosuccinate (BA14BEHS) is a halogen-free low-volatile liquid material. BA14BEHS showed good compatibility with poly(vinyl chloride). BA14BEHS-blended poly(vinyl chloride) film exhibited low-leachability. Nevertheless, the film exhibited an antimicrobial performance. Web Release Date: January 20, 2010 (No. 2 issue in press)    Web Release Date: January 20, 2010 Three Structural Isomers of Dinaphthothieno[3,2-b]thiophenes: Elucidation of Physicochemical Properties, Crystal Structures, and Field-Effect Transistor Characteristics  T. Yamamoto, S. Shinamura, E. Miyazaki, and K. Takimiya [Full Text PDF(J-STAGE)] Three structural isomers of dinaphthothieno[3,2-b]thiophenes with C2h symmetry were investigated to gain an insight into the relationship between the molecular structure and the semiconductor characteristics of highly π-extended heteroarene-based organic semiconductors.    Web Release Date: January 20, 2010 Synthesis and Characterization of Allylic Dinuclear Molybdenum Complexes with Bridging Oxygen and Sulfur Containing Ligands  M. Y. Shatnawi, S. A. Tanash, S. A. Al-Ahmad, P. R. Challen, and G. Henkel [Full Text PDF(J-STAGE)] Dinuclear molybdenum complexes of alcoholate and thiolate ligands were prepared. X-ray crystallographic structural determination showed that there are no Mo–Mo bonds and the ligands are present in a bridging manner. The dinuclear complexes have three bridging –SR or –OR ligands.						» list of issues » BCSJ award articles
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