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Vol. 83, No. 8 (August, 2010)
[PDF version]
[Now a trial period of full text html and ePub for e-Book!]
| The Chemical Society of Japan Award for Young Chemists for 2007 | Web Release Date: July 24, 2010
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| 855-876
Surface-Mediated Design and Catalytic Properties of Active Metal Complexes for Advanced Catalysis Creation
M. Tada
[Full Text PDF(J-STAGE)]
Free Access Article
 | Our recent research on advanced design of supported metal-complex catalysts on oxide surfaces and in situ characterization for structural kinetics of catalytically active species under catalyst-working conditions are highlighted. |
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Web Release Date: July 24, 2010
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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)
T. Koide and A. Osuka*
[Full Text PDF(J-STAGE)]
[Supporting Information]
Free Access Article
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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Web Release Date: July 24, 2010
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| 880-886
Glutathione Nanosphere: Self-Assembly of Conformation-Regulated Trigonal-Glutathiones in Water
K. Matsuura,* K. Fujino, T. Teramoto, K. Murasato, and N. Kimizuka
[Full Text PDF(J-STAGE)]
A conformation-regulated C3-symmetric peptide conjugate bearing three glutathiones self-assembled into nanospheres with narrow size distribution in water.
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Web Release Date: July 15, 2010
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| 887-891
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. |
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Web Release Date: July 24, 2010
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| 892-899
Theoretical Study of Hypervalent Bonds in 1,6-Diaza-1,6-dihydro- and 1,6-Dihydro-1,6-dioxapentalene Systems with a Heteroatom X at 6a Position (X = 14–16 Group Atoms)
T. Atsumi, T. Abe, K. Akiba, and H. Nakai*
[Full Text PDF(J-STAGE)]
[Supporting Information]
This study theoretically estimated the O–X and N–X hypervalent bond energies, EHB(O–X) and EHB(N–X), in model compounds with the pentalene skeleton, changing X to group 14–16 and period 2–5 elements.
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Web Release Date: July 24, 2010
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| 900-904
A Quantitative Examination of the Detection Sensitivities of Proton-Transfer Reaction Mass Spectrometry for Gaseous 2-Propanol and Acetic Acid
S. Inomata* and H. Tanimoto
[Full Text PDF(J-STAGE)]
 | The presence of a channel reproducing H3O+ during the reaction of H3O+ with 2-propanol results in the difference between the experimental and calculated detection sensitivities for 2-propanol by PTR-MS. |
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Web Release Date: July 15, 2010
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| 905-910
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)]
[Supporting Information]
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.
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Web Release Date: July 24, 2010
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| 911-922
Flavonoids Inhibit Heparin-Induced Aggregation of the Third Repeat (R3) of Microtubule-Binding Domain of Alzheimer’s Tau Protein
L.-J. Han, S. Shi, L.-F. Zheng, D.-J. Yang, T.-M. Yao,* and L.-N. Ji
[Full Text PDF(J-STAGE)]
Flavonoids, found in most plants, are firstly reported for their remarkable inhibitory ability towards heparin-induced aggregation of Alzheimer’s tau fragment R3, and a possible molecular mechanism is finally proposed.
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Web Release Date: July 15, 2010
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| 923-934
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.
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Web Release Date: July 24, 2010
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| 935-941
Structural Transitions and Enzymatic Function of Ribonuclease A Encapsulated in Transparent Porous Silica Gel
M. Iwaoka,* N. Sano, N. Hasegawa, M. Yokokawa, S. Kunigami, and H. Shirai
[Full Text PDF(J-STAGE)]
[Supporting Information]
 | Ribonuclease A (RNase A) encapsulated in transparent wet porous silica gel reversibly unfolded in temperature-jump experiments. The refolded protein exhibited enzymatic activity against a cytidine 2′,3′-cyclic monophosphate (c-CMP) substrate in the porous environment. |
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Web Release Date: July 24, 2010
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| 942-949
Construction of the ABC Ring System of Taxanes via Stereoselective One-Pot Three-Component Coupling and Intramolecular Alkylation of a Protected Cyanohydrin Ether
T. Serizawa, S. Miyamoto, S. Fuse, T. Doi, and T. Takahashi*
[Full Text PDF(J-STAGE)]
Construction of the ABC ring system of taxanes via stereoselective one-pot three-component coupling of a protected cyanohydrin ether with 2-methyl-2-cyclohexenone and formaldehyde, and the intramolecular alkylation of protected cyanohydrin ether is accomplished.
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Web Release Date: July 24, 2010
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| 950-952
Fast Guest Exchange of a 1:1 Zinc Porphyrin–Amine Host–Guest Complex via a Six-Coordinated Zinc Porphyrin
Y. Hitomi,* J. Ohyama, M. Takegoshi, A. Ando, T. Funabiki, M. Kodera, and T. Tanaka
[Full Text PDF(J-STAGE)]
[Supporting Information]
Detailed 1H NMR study revealed that an amine guest tightly bound to the zinc porphyrin is rapidly released by coordination of a second amine guest via a six-coordinated zinc porphyrin transition state.
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Web Release Date: July 24, 2010
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| 953-959
Improvement in the Durability of Carbon Nanotube-Supported Ruthenium Catalysts by Coverage with Silica Layers
T. Arike, S. Takenaka,* H. Matsune, and M. Kishida*
[Full Text PDF(J-STAGE)]
 | Carbon nanotube-supported Ru catalysts were covered with silica layers. The silica layers inhibited the sintering of Ru particles at high temperatures. The silica-coated catalysts showed high durability to the Ru metal detachment from supports during the repeated hydrogenation of 1-hexene. |
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Web Release Date: July 24, 2010
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| 960-968
Synthesis, Properties, and Fuel Cell Performance of Perfluorosulfonated Poly(arylene ether)s
T. Shimura, K. Miyatake,* and M. Watanabe*
[Full Text PDF(J-STAGE)]
Novel poly(arylene ether)s containing perfluorosulfonic acid groups (FSPEs) were synthesized for fuel cell applications. These FSPE membranes showed well-developed and interconnected ionic clusters, and thus high proton conductivity and good fuel cell performance.
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