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BCSJ Award Article (2010)
The Bulletin of the Chemical Society of Japan, Vol. 83 (No. 1-12)
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2010 Vol. 83 Dec. |
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1439-1446 |
Redox Behavior and Electrochemical Catalytic Function of B12–Hyperbranched Polymer |
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K. Tahara, H. Shimakoshi, A. Tanaka, and Y. Hisaeda*
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The electrochemical behavior of a covalently functionalized hyperbranched polymer with a vitamin B12 derivative (B12–HBP) was investigated by cyclic voltammetry and UV–vis spectroscopy. The B12–HBP showed excellent properties as a homogeneous catalyst for the electrochemical degradation of 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane (DDT).
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2010 Vol. 83 Nov. |
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1309-1322 |
Total Syntheses of Sterically Locked Phycocyanobilin Derivatives Bearing a 15Z-anti or a 15E-anti CD-Ring Component |
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K. Nishiyama, A. Kamiya, M. A. S. Hammam, H. Kinoshita, S. Fujinami, Y. Ukaji,* and K. Inomata*
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Total syntheses of sterically locked phycocyanobilin derivatives bearing a 15Z-anti or a 15E-anti CD-ring component were performed towards elucidation of the stereochemistry and function of the chromophore in phytochromes.
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2010 Vol. 83 Oct. |
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1155-1161 |
2,1,3-Benzothiadiazole Dimers: Preparation, Structure, and Transannular Electronic Interactions of syn- and anti-[2.2](4,7)Benzothiadiazolophanes |
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M. Watanabe, K. Goto, M. Fujitsuka, S. Tojo, T. Majima, and T. Shinmyozu*
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anti- and syn-[2.2](4,7)Benzothiadiazolophanes (anti-1 and syn-1) were prepared for the first time. syn-1 shows much more significant transannular π-electronic interactions than anti-1 in the redox properties and the stability of the radical anion species.
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2010 Vol. 83 Sep. |
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1004-1009 |
Interaction Analyses of Amyloid β Peptide (1–40) with Glycosaminoglycan Model Polymers |
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Y. Miura* and H. Mizuno
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The glycosaminoglycan was mimicked by the glycopolymers with pendant sulfonated GlcNAc and GlcA. The glycopolymers with various molecular weights and saccharide structures were prepared in order to investigate the effect of glycopolymer on aggregation of amyloid β protein (1–40). |
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2010 Vol. 83 Aug. |
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877-879 |
Möbius Aromatic Palladium(II) Complexes of a β-Tetraphenyl meso-Hexakis(pentafluorophenyl) Substituted Hexaphyrin(1.1.1.1.1.1) |
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T. Koide and A. Osuka*
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PdII metallation of a β-tetraphenyl meso-hexakis(pentafluorophenyl) substituted [26]hexaphyrin afforded two twisted Möbius aromatic complexes, which were well separated by column chromatography owing to conformational rigidity conferred by PdII-complexation.
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2010 Vol. 83 Jul. |
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756-761 |
Light-Controlled Selective Metal Deposition on a Photochromic Diarylethene Film—Toward New Applications in Electronics and Photonics— |
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Y. Sesumi, S. Yokojima, S. Nakamura, K. Uchida, and T. Tsujioka*
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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. |
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2010 Vol. 83 Jun. |
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619-634 |
Nickel/Lewis Acid-Catalyzed Carbocyanation of Alkynes Using Acetonitrile and Substituted Acetonitriles |
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A. Yada, T. Yukawa, H. Idei, Y. Nakao,* and T. Hiyama*
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Nickel/Lewis acid dual catalysis is found to effect the carbocyanation reaction of alkynes using acetonitrile and substituted acetonitriles to give a range of variously substituted acrylonitriles in a highly regio- and stereoselective manner.
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2010 Vol. 83 May |
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456-478 |
Synthesis, Structures, and Reactivity of Kinetically Stabilized Anthryldiphosphene Derivatives |
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A. Tsurusaki, N. Nagahora, T. Sasamori, K. Matsuda, Y. Kanemitsu, Y. Watanabe, Y. Hosoi, Y. Furukawa, and N. Tokitoh*
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The first stable 9-anthryldiphosphenes and 9,10-anthrylene-bridged bisphosphenes were synthesized and characterized by spectroscopic and X-ray crystallographic analyses. They should be novel π-conjugated systems between the anthryl and P=P moieties (Tbt = 2,4,6-tris[bis(trimethylsilyl)-
methyl]phenyl, Bbt = 2,6-bis[bis(trimethylsilyl)-
methyl]-4-[tris(trimethylsilyl)-
methyl]phenyl). |
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2010 Vol. 83 Apr. |
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323-327 |
Preparation and Structures of Lanthanoid Germanides, PrGe3.36, NdGe3.25, and TmGe3 with Double Square Ge-Mesh Structures |
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H. Fukuoka,* M. Yoshikawa, K. Baba, and S. Yamanaka
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We have prepared three new binary germanides, PrGe3.36, NdGe3.25, and TmGe3 using high-pressure (≥3 GPa) and high-temperature (1200 °C) reactions. TmGe3 is isotypic with DyGe3 having a double square Ge-mesh structure. The Pr and Nd germanides contain additional Ge atoms in the interlayer region. |
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2010 Vol. 83 Mar. |
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220-232 |
Chemistry of Anthracene–Acetylene Oligomers XV. Synthesis, Structures, and Dynamic Behavior of Chiral Anthrylene–Ethynylene Cyclic Tetramers and Related Derivatives and Resolution of Enantiomers |
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T. Ishikawa, T. Shimasaki, H. Akashi, T. Iwanaga, S. Toyota,* and M. Yamasaki
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The rotation of the crank anthrylene group about acetylene linkers was so restricted that the enantiomers of the following cyclic tetramer were resolved by chiral HPLC. The structural and spectroscopic features of this compound are compared with another three derivatives having different crank moieties.
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2010 Vol. 83 Feb. |
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120-130 |
Three Structural Isomers of Dinaphthothieno[3,2-b]thiophenes: Elucidation of Physicochemical Properties, Crystal Structures, and Field-Effect Transistor Characteristics |
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T. Yamamoto, S. Shinamura, E. Miyazaki, and K. Takimiya*
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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.
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2010 Vol. 83 Jan |
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19-32 |
Catalytic Enantioselective Alkylation and Arylation of Aldehydes by Using Grignard Reagents |
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Y. Muramatsu, S. Kanehira, M. Tanigawa, Y. Miyawaki, and T. Harada*
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Grignard reagents can be used in enantioselective alkylation and arylation of aldehydes by using chiral titanium(IV) catalysts in the presence of titanium tetraisopropoxide. The reaction proceeds with a low catalyst loading, exhibiting high enantioselectivity for various Grignard reagents and aldehydes.
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