Bulletin of the Chemical Society of Japan - Vol. 78, No. 1 (January, 2005)

Bulletin of the Chemical Society of Japan
Vol. 78, No. 1 (January, 2005)

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The Chemical Society of Japan Award for 2002

Web Release Date: January 13, 2005

1-39 “Mechanics” of Molecular Assembly: Real-Time and In-Situ Analysis of Nano-to-Mesoscopic Scale Hierarchical Structures and Nonequilibrium Phenomena
T. Hashimoto
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We have presented in-situ and real-time studies of the mechanics of molecular assembly for molecular mixtures via phase transition and under shear flow in the length scale from nm to μm. The studies also cover self-assembly of block copolymers.

The Chemical Society of Japan Award for 2003

Web Release Date: January 13, 2005

40-51 Molecular Design of Synthetic Receptors with Dynamic, Imprinting, and Allosteric Functions
S. Shinkai^* and M. Takeuchi
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In this account, we introduce the concept of molecular design for molecular or ion recognition systems exhibiting dynamic, imprinting, and allosteric functions, particularly focusing on our own recent research achievements related to sugar sensing systems.

The Chemical Society of Japan Award for Creative Work for 2003

Web Release Date: January 13, 2005

52-66 Propene Polymerization with Bis(phenoxy–imine) Group 4 Transition Metal Complexes
H. Makio and T. Fujita^*
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Group 4 bis(phenoxy–imine) complexes can polymerize propene into either isotactic or syndiotactic polypropenes. The isospecific polymerization is mediated by a site control mechanism with successive 1,2-insertions, contrasting to the syndiospecific polymerization that is derived from the chain-end chirality of 2,1-inserted monomers.

Web Release Date: January 13, 2005

67-87 Synthesis, Structures, and Reactions of Coordinatively Unsaturated Trinuclear Ruthenium Polyhydrido Complexes, [{Ru(C₅Me₅)}₃(μ-H)₆](Y) (Y = BF₄, CF₃SO₃, 1/2(SO₄), C₆H₅CO₂, CH₃CO₂, B(C₆H₅)₄, PF₆) and [{Ru(C₅Me₅)}₃(μ-H)₃(μ₃-H)₂]
H. Suzuki,^* T. Kakigano, K. Tada, M. Igarashi, K. Matsubara, A. Inagaki, M. Oshima, and T. Takao
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Coordinatively unsaturated triruthenium pentahydride, [{Ru(C₅Me₅)}₃(μ-H)₃(μ₃-H)₂], underwent H/D exchange with deuterated aromatic compounds via an intermediary η²-arene complex, and reacted with active small molecules, such as O₂, CH₃I, and CO, with retention of the Ru₃ framework.

Web Release Date: January 13, 2005

88-94 Investigation of the Structure and Stability of an Alcohol-Based Polymer for Hydrogen Storage in the Form of Ions
H. Matsuura,^* T. Tanikawa, S. Ushiba, and M. Ogawa
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The control of the stable state for the storage of hydrogen ions and a simultaneous unstable state for the extraction of hydrogen is an important technology, since ions can be easily extracted by the application of an electric potential.

Web Release Date: January 13, 2005

95-100 Redox Properties and Basicity of Keggin-Type Polyoxometalate Complexes
S. Himeno,^* M. Takamoto, R. Santo, and A. Ichimura
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A simulation of the cyclic voltammogram gave the relative basicity of Keggin-type polyoxometalate complexes: α-[XMo₁₂O₄₀]ⁿ⁻ (X = S, P, As, Si, Ge; n = 2–4) and α-[XW₁₂O₄₀]ⁿ⁻ (X = S, P, As, Si, Ge, B, Al; n = 2–5). According to the basicity, the Keggin anions were classified into four groups. As a result, their voltammetric properties were systematized in various organic solvents.

Web Release Date: January 13, 2005

101-106 Synthesis and Characterization of New Metal–Metal Bonded Heptabromo Porphyrin
S. Takagi,^* H. Furuta, T. Yagi, and H. Yamada
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A new porphyrin hbtbppIn–Mn(CO)₅ that showed high stability against electroreduction and photo-irradiation has been synthesized. In the process of indium insertion to the octabromoporphyrin, we observed a Br loss phenomenon.

Web Release Date: January 13, 2005

107-115 Multielement Determination of Trace Metals in Seawater by ICP-MS Using a Chelating Resin-Packed Minicolumn for Preconcentration
Y. Zhu, A. Itoh, and H. Haraguchi^*
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A chelating resin-packed minicolumn was developed to pretreat seawater samples for the determination of trace metals by inductively coupled plasma mass spectrometry (ICP-MS). The recoveries for 23 elements (Mn, Co, Ni, Cu, Zn, Y, Cd, all-REEs, Pb, and U) were more than 80%.

Web Release Date: January 13, 2005

116-124 Synthesis, Characterization, and Thermal Stability of New Mononuclear Hydrogenperoxocopper(II) Complexes with N₃O-Type Tripodal Ligands Bearing Hydrogen-Bonding Interaction Sites
S. Yamaguchi, A. Kumagai, S. Nagatomo, T. Kitagawa, Y. Funahashi, T. Ozawa, K. Jitsukawa, and H. Masuda^*
[Full Text PDF(J-STAGE)] [Supporting Information]

The reaction of Cu(II) complexes with N₃O ligands bearing pivalamido groups with H₂O₂ was studied, and the hydrogenperoxocopper complexes generated were activated by introducing a carboxylate group, although they were stabilized by hydrogen-bonding interactions.

Web Release Date: January 13, 2005

125-131 An Alkoxide-Bridged Dinuclear Zinc(II) Hexaazacryptate: A Novel Phosphate Capture Molecule in Aqueous Solution
E. Kinoshita, K. Ishikawa, E. Kinoshita-Kikuta, K. Ohtani, M. Shiro, and T. Koike^*
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A novel dinuclear zinc(II) hexaazacryptate has been proven to be a phosphate capture molecule in aqueous solution. The dissociation constant for the phenyl phosphate complex is a small value of 0.6 μM at 35 °C.

Web Release Date: January 13, 2005

132-134 Visible-Light Sensitisation of Nanocrystalline TiO₂ Film by Mg Chlorophyll-a through the Axial Imidazole-4-acetic Acid Ligand
K. Aoki, Y. Takeuchi, and Y. Amao^*
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A new photovoltaic conversion device based on the visible-light sensitisation of nanocrystalline TiO₂ film through the axial imidazole-4-acetic acid ligand of MgChl-a was developed.

Web Release Date: January 13, 2005

135-137 In-Situ DRIFT Study of a New Low-Temperature Methanol Synthesis Mechanism
R. Yang, Y. Fu, Y. Zhang, B. Xu, and N. Tsubaki^*
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The formation of ethyl formate is a key step in the low-temperature methanol synthesis reaction. The reaction temperature is significantly decreased due to promoting, catalytically active action of ethanol and a new reaction route.

Web Release Date: January 13, 2005

138-141 Selective Nitration of Thiacalix[4]arene and an Investigation of Its Acid–Base Properties with a Chemometric Method
X. Hu, H. Shi, X. Shi,^* Z. Zhu, Q. Sun, Y. Li, and H. Yang
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The selective dinitro-substituted derivative of thiacalix[4]arene was synthesized by a three-step route and characterized. Its acid–base properties in water solution were studied by UV–vis spectroscopy. Its four pK_a values were determined by Target Testing Factor Analysis (TTFA).

Web Release Date: January 13, 2005

142-146 Synthesis and Structural Analysis of Oligo(naphthalene-2,3-diyl)s
T. Motomura, H. Nakamura, M. Suginome, M. Murakami, and Y. Ito^*
[Full Text PDF(J-STAGE)] [Supporting Information]

Oligo(naphthalene-2,3-diyl)s were synthesized and their structural studies in solution and in crystal provided a support to the conjecture that organic assemblies in which naphthalene-like aromatic units are linked together between the β-positions would have helical secondary structures.

Web Release Date: January 13, 2005

147-153 Substituent Effects on the Gas Phase Acidity of Phenylacetylenes and Benzyl Alcohols
M. Matsuoka, Mustanir, Soe Than, and M. Mishima^*
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The substituent effect on gas phase acidity of phenylacetylene is characterized to be a σ^o system like the acidities of benzyl alcohols and benzoic acids.

Web Release Date: January 13, 2005

154-159 Evaluation of the 2-Substituent Effect on the Reactivity of the 8-Haloimidazo[1,2-a]pyridine Series towards Suzuki-Type Cross-Coupling Reaction
J.-Y. Kazock, C. Enguehard-Gueiffier, I. Théry, and A. Gueiffier^*
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Conversely to the 3- and 6-positions of the imidazo[1,2-a]pyridine, the reactivity of which towards the Suzuki coupling reaction was influenced by the nature at R¹, no effect on the 8-position was noticed in this work.

Web Release Date: January 13, 2005

160-168 Aqueous Ammonia as a New Activator for Sonogashira Coupling
M. S. Mohamed Ahmed, A. Sekiguchi, K. Masui, and A. Mori^*
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Selective carbonylative and non-carbonylative Sonogashira coupling of terminal alkynes took place by using two equivalents of 0.5 M aqueous ammonia at room temperature. Various high boiling-point water-soluble amines were used for the reaction at elevated temperatures.

Web Release Date: January 13, 2005

169-179 Syntheses, Structures, and Properties of Quinone-Bridged Calix[6]arenes
S. Akine, K. Goto,^* and T. Kawashima^*
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Quinone-bridged calix[6]arenes carrying a 1,4-benzoquinone moiety in the cavity of a calixarene macrocycle were synthesized. The relationship between the electrochemical properties and the structural features of these quinones as well as their chemical reactivities were elucidated.

Web Release Date: January 13, 2005

180-186 Synthesis and Properties of Novel Stilbazolium Analogues as Second-Order Nonlinear Optical Chromophores
K. Tsuji, N. Nishimura, X.-M. Duan, S. Okada, H. Oikawa, H. Matsuda, and H. Nakanishi^*
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The transition energies and second-order hyperpolarizabilities (β) were evaluated for the compounds in the illustration. Fused-ring systems were found to possess a large β irrespective of their relatively short absorption wavelengths, compared with the double-bond elongation system.

Web Release Date: January 13, 2005

187-191 Preparation of YBCO and BSCCO Superconducting Thin Films by a New Chemical Precursor Method
T. Gunji,^* M. Unno, K. Arimitsu, Y. Abe, N. Long, and A. Bubendorfer
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YBa₂Cu₃O_7−δ and Bi₂SrCa₂Cu₂O_8+y thin films were prepared by the pyrolysis of their precursors. The critical temperature and the critical current density were 88.7 K and 5 × 10⁵ A/cm² (at 77 K, 0 T) for YBCO and 77 K and 6 × 10⁴ A/cm² (5 K) for BSCCO, respectively.

Web Release Date: January 13, 2005

192-194 Formation of Active Sites for the NO + CO Reaction over Palladium Catalysts Supported on Mesoporous Silica
A. Yamaguchi, T. Hayashi, K. Oyaizu, and M. Yuasa^*
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Pd/MCM-41 after calcination in air showed very high catalytic activity for the NO + CO reaction because of formation of the Pd metal particles with an appropriate size for the reaction.