Bulletin of the Chemical Society of Japan

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Aggregation Effects on Electrochemical and Spectroelectrochemical Properties of [2,3,9,10,16,17,23,24-Octa(3,3-dimethyl-1-butynyl)phthalocyaninato]cobalt(II) Complex
Bulletin of the Chemical Society of Japan - Tập 71 Số 5 - Trang 1039-1047 - 1998
Hiroaki Isago, Clifford C. Leznoff, Matthew F. Ryan, Robert A. Metcalfe, Rifka Davids, A. B. P. Lever
Abstract The title complex, [Co(odmbpc)], which is a single isomer and is highly soluble in common organic solvents, has been prepared and investigated electrochemically and spectroelectrochemically in dichloromethane solutions. The cyclic voltammograms of this complex at a concentration of ca. 6 × 10−5 mol dm−3 exhibited two reversible reduction wav...... hiện toàn bộ
A Study of Inorganic Ion Exchangers. VII. The Synthesis of γ-NH4ZrH(PO4)2 and Ion-exchange Properties of γ-Zr(HPO4)2·2H2O
Bulletin of the Chemical Society of Japan - Tập 56 Số 12 - Trang 3756-3760 - 1983
Etsuro KOBAYASHI
Abstract The conditions for the synthesis of γ-NH4ZrH(PO4)2 and the ion-exchange properties of γ-Zr(HPO4)2·2H2O were investigated. The influence of the mole ratio of MH2PO4 (M=Na, K, and NH4) to ZrOCl2 on the formation of γ-zirconium phosphate using NaH2PO4 as MH2PO4 was such that the γ-form was obtained not in the NaH2PO4/ZrOCl2 mole ratio of 4, but...... hiện toàn bộ
Direct Preparation of θ-Zirconium Phosphate
Bulletin of the Chemical Society of Japan - Tập 55 Số 9 - Trang 3031-3032 - 1982
Toshiki Kijima
Abstract The effects of temperature and Zr concentration in solution on the composition and degree of crystallinity of zirconium phosphate have been examined. Pure θ-zirconium phosphate with an interlayer spacing of 10.4 Å has been prepared by direct precipitation.
The Synthesis of Crystalline Zirconium Phosphate with Large Particle Size by the Direct-precipitation Method
Bulletin of the Chemical Society of Japan - Tập 52 Số 12 - Trang 3528-3531 - 1979
Yasushi Inoue, Y. Yamada
Abstract The direct-precipitation method was studied as a possible way to synthesize crystalline zirconium phosphate of a large and uniform crystal size. The yield and the crystal size were examined as functions of the initial hydrofluoric-acid and phosphoric-acid concentrations and the warming temperature. The conditions for preparing the largest cr...... hiện toàn bộ
Viscometric Study on Polystyrenesulfonic Acid Solutions
Bulletin of the Chemical Society of Japan - Tập 33 Số 3 - Trang 322-329 - 1960
Masaaki Kato, Tsurutaro Nakagawa, Hideo Akamatu
A Refinement of the Crystal Structure of Creatine Monohydrate
Bulletin of the Chemical Society of Japan - Tập 52 Số 1 - Trang 233-234 - 1979
Yoshihiro Kato, Yoshitaka Haimoto, K. Sakurai
Abstract The crystal structure of creatine monohydrate has been refined from three-dimensional X-ray data. This refinement introduces minor modifications to the positional and thermal parameters and confirmed the zwitter ion structure.
The Pormylation of an Aromatic Nucleus by the Use of 2-Ethoxy-1,3-dithiolane
Bulletin of the Chemical Society of Japan - Tập 54 Số 7 - Trang 2120-2123 - 1981
Shigeo Jo, Shigeo Tanimoto, Toyonari Sugimoto, Masaya Okano
Abstract The reaction of various phenols with 2-ethoxy-1,3-dithiolane proceeded smoothly in the presence of BF3·Et2O to afford 1,3-dithiolan-2-ylated phenols, which were readily hydrolyzed to the corresponding aldehydes. This process was also extended to N,N-dimethylaniline and indole.
Novel Synthesis of Isoflavones by the Palladium-Catalyzed Cross-Coupling Reaction of 3-Bromochromones with Arylboronic Acids or Its Esters
Bulletin of the Chemical Society of Japan - Tập 61 Số 8 - Trang 3008-3010 - 1988
Yukio Hoshino, Norio Miyaura, Akira Suzuki
Abstract The synthesis of isoflavone derivatives by means of palladium-catalyzed cross-coupling reaction between 3-bromochromones and arylboronic acids or its butyl esters is described.
Dye–Surfactant Interaction: Role of an Alkyl Chain in the Localization of Styrylpyridinium Dyes in a Hydrophobic Force Field of a Cationic Surfactant (CTAB)
Bulletin of the Chemical Society of Japan - Tập 70 Số 12 - Trang 2913-2918 - 1997
Amaresh Mishra, Sanjukta Patel, Rajani K. Behera, B. K. Mishra, Gopa B. Behera
Abstract The interaction of a number of cationic dyes (I) with a varying number of methylene groups (Cn) in the alkyl chain attached to pyridyl nitrogen with a cationic surfactant (CTAB) assembly is reported. The binding constant of the dyes (C5 to C18) with the micelle have been calculated, and are found to increase with increasing carbon chain. A p...... hiện toàn bộ
Thermal Decomposition Reactions of Analogous Penta-amminenitrosylcobalt(III) Complexes
Bulletin of the Chemical Society of Japan - Tập 53 Số 12 - Trang 3573-3576 - 1980
Kikuo Miyokawa, Hakaru Masuda, Isao Masuda
Abstract The thermal behavior of five complexes, [Co(NH3)6]Cl3 (1), [Co(NH3)5NO2]Cl2 (2), [Co(NH3)5NO]Cl2 (3), [(NH3)5Co–N(O)–NO–Co(NH3)5]Cl4·2H2O (4), and [(NH3)5Co–NO–ON–Co(NH3)5]Cl4·4H2O (5), has been investigated. The pyrolysis-gaschromatographic technique has been successfully applied to the N2- and N2O analyses of the gases evolved on the pyrol...... hiện toàn bộ
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