Journal of Synthetic Organic Chemistry, Japan
Online ISSN : 1883-6526
Print ISSN : 0037-9980
ISSN-L : 0037-9980
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Volume 45, Issue 6
Displaying 1-12 of 12 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1987 Volume 45 Issue 6 Pages 501
    Published: June 01, 1987
    Released on J-STAGE: November 13, 2009
    DOIhttps://doi.org/10.5059/yukigoseikyokaishi.45.501
    JOURNAL FREE ACCESS
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  • Organic Conductors and Hetero Atoms
    Gunzi SAITO, Naoko OKADA
    1987 Volume 45 Issue 6 Pages 502-514
    Published: June 01, 1987
    Released on J-STAGE: January 22, 2010
    DOIhttps://doi.org/10.5059/yukigoseikyokaishi.45.502
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    An overview of a series of tetrachalcogenafulvalene derivatives and their charge transfer complexes is presented in connection with the molecular designing of molecular conductors of one component (molecular fastener and chalcogen-chalcogen chain compound), organic metals, organic superconductors, complex isomerization, and other functional molecular assembly.
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  • Fe-S Clusters in Metalloenzymes and in Their Model Complexes
    Akira NAKAMURA, Norikazu UEYAMA
    1987 Volume 45 Issue 6 Pages 515-525
    Published: June 01, 1987
    Released on J-STAGE: November 13, 2009
    DOIhttps://doi.org/10.5059/yukigoseikyokaishi.45.515
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    Recent developments in the chemistry of various types of Fe-S clusters involved in biologically important metalloenzymes, e. g. aconitase, hydrogenase, nitrogenase and their model complexes, are reviewed. In particular, the magnetic interaction between the Fe-S clusters and the active site is emphasized. Importance of the Fe-S clusters in the redox reactions via multielectron transfer is demonstrated.
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  • Fluorine Containing Functional Materials
    Masaaki YAMABE, Masashi MATSUO
    1987 Volume 45 Issue 6 Pages 526-535
    Published: June 01, 1987
    Released on J-STAGE: November 13, 2009
    DOIhttps://doi.org/10.5059/yukigoseikyokaishi.45.526
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    Fluoropolymers have become indispensable materials not only in the chemical industries as the pipe laying, the packing, the gasket etc. of the chemical plants, but also in the electrical industries as the electric line, the cable and so on, as a result of the application of their excellent heat resistance, chemical resistance and electric insulation. In addition to these characteristics, they have many other highly functional ones such as surface activity, piezoelectricity, low refractive index, sensitivity to high energy ray, selective transmission and biocompatibility which are described here from the viewpoint of principles and applications.
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  • Medicines and Organic Sulfur Compounds
    Koichi HIRAI
    1987 Volume 45 Issue 6 Pages 536-548
    Published: June 01, 1987
    Released on J-STAGE: November 13, 2009
    DOIhttps://doi.org/10.5059/yukigoseikyokaishi.45.536
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    Currently biologically interesting organic sulfur compounds are classified into seven categolies : naturally occurring bio-active compounds, antihypertensive ACE inhibitors, sulfonamides, psychotropic agents, antianginal agents, antiulcer agents and β -lactam antibiotics. The activities of the representative compounds in each part are commmented briefly from the standpoint of the interaction between sulfur and the animal body.
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  • Pesticides and Phosphorus
    Morifusa ETO
    1987 Volume 45 Issue 6 Pages 549-560
    Published: June 01, 1987
    Released on J-STAGE: November 13, 2009
    DOIhttps://doi.org/10.5059/yukigoseikyokaishi.45.549
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    More than 20 % of about 300 active ingredients of pesticides registered in Japan are phosphorus compounds. Although they are mainly insecticides including acaricides, organophosphorus fungicides and herbicides have recently been developed. Moreover, nematicides, rodenticides, plant growth regulators, insect chemosterilants, and insecticide synergists are also known. Majority of organophosphorus pesticides are P (V) oxyacid derivatives, carrying a phosphoryl or thiophosphoryl group. Phosphonium salts and trivalent phosphorus compounds are rather rare as pesticides. The role of phosphorus moiety in pesticides is 1) the principal in phosphorylation, 2) a leaving group in alkylation, 3) a carrier for other active moiety, and 4) an analogous group for the carboxyl group. In order to display a certain pesticidal activity, the compound should have a structure suitable for selectivity or affinity to the target organism and biomacromolecule.
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  • Specialties of Fluorine Compounds and Their Analytical Utilizations
    Hiroshi KOBAYASHI
    1987 Volume 45 Issue 6 Pages 561-570
    Published: June 01, 1987
    Released on J-STAGE: November 13, 2009
    DOIhttps://doi.org/10.5059/yukigoseikyokaishi.45.561
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    Fluorocarbon compounds show peculiar behaviors far different from those of hydrocarbon analogues, in respect of e.g. heat- and chemicals-resistivities, surface activity, hydrophobicity, volatility, and refractivity. Fluorine substituent markedly differs from those of other halogens regarding electron-withdrawing effect, nucleofugacity, steric effect, etc. The magnetic property of the sole stable 19F nuclide is also noteworthy. These specialties have been ingeniously utilized in designing of new reagents, speed-up and simplifying of procedures, uplift of separating efficiency, and improving of other analytical capacities. This article surveys successful utilizations of the specialties of fluorine compounds in various branches of analytical chemistry.
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  • Synthesis and Utilization of Heteromacrocycles
    Shigeki SASAKI, Kenji KOGA
    1987 Volume 45 Issue 6 Pages 571-582
    Published: June 01, 1987
    Released on J-STAGE: November 13, 2009
    DOIhttps://doi.org/10.5059/yukigoseikyokaishi.45.571
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    Heteromacrocycles have been widely employed because of the unique property of forming stable complexes with a variety of molecules. Recently, new compounds have been designed to construct a rigid complex-forming cavity, such as cavitand, spherand, cryptophane, calixarene, and cucurbitril, whose syntheses and complex-forming properties are briefly discussed in this article. Moreover, the recent developments in utilization of crown ether-type heteromacrocycles have revealed the great ability to enhance selectivity in organic and asymmetric sythesis. Biomimetic chemistry are also developed by the use of the heteromacrocycles as enzyme mimics, realizing biomimetic reactions, such as acyl transfer, hydrogen transfer, and peptide synthesis.
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  • Multinuclear NMR as Applied to Organic Chemistry
    Yoshito TAKEUCHI, Toshie HARAZONO
    1987 Volume 45 Issue 6 Pages 583-591
    Published: June 01, 1987
    Released on J-STAGE: November 13, 2009
    DOIhttps://doi.org/10.5059/yukigoseikyokaishi.45.583
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    In this review, recent advances of multinuclear NMR spectroscopy as applied to organic chemical problems have been described. In view of the rapid progress in the structure determination of organic molecules by means of a combination of SCM NMR instruments and 2D techniques, a compilation of chemical shifts data are not very useful for this purpose. Hence, this review puts some stress on the more sophisticated application of multinuclear NMR, for instance, the use of relaxation time in organic chemistry.
    After a brief introduction, the chemical shifts, the relaxation times and lanthanide induced shifts for such nuclei as 14N, 15N, 17O, 31P and 33S are described.
    It is pointed out that the advantage of multinuclear NMR is a direct observation of the heteroatoms which is often a very good indicator of the physical/chemical properties of heteroatom compounds.
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  • Chemistry of Phosphine-Boranes
    Tsuneo IMAMOTO
    1987 Volume 45 Issue 6 Pages 592-602
    Published: June 01, 1987
    Released on J-STAGE: January 22, 2010
    DOIhttps://doi.org/10.5059/yukigoseikyokaishi.45.592
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    This review deals with the synthesis and reactions of phosphine-boranes. Phosphine-boranes exhibit unique chemical properties and possess potential utility as the reagents in organic synthesis. Useful organophosphorus compounds such as optically pure phosphine ligands are synthesized via phosphine-boranes.
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  • Organic Transformations Based on Tellurium Compounds
    Hitomi SUZUKI
    1987 Volume 45 Issue 6 Pages 603-615
    Published: June 01, 1987
    Released on J-STAGE: January 22, 2010
    DOIhttps://doi.org/10.5059/yukigoseikyokaishi.45.603
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    Synthetically interesting organic transformations involving tellurium are reviewed with an emphasis on reactions recently appeared in the literature. Included are oxidation and reduction with tellurium-based reagents, tellurium-mediated carbon-carbon bond formation, telluronium ylides and tellurilimines, elimination of tellurium moiety leading to olefins, oxytelluration, hydrogenolysis and halogenolysis of tellurium-containing compounds.
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  • [title in Japanese]
    [in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
    1987 Volume 45 Issue 6 Pages 616-618
    Published: June 01, 1987
    Released on J-STAGE: November 13, 2009
    DOIhttps://doi.org/10.5059/yukigoseikyokaishi.45.616
    JOURNAL FREE ACCESS
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