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3 edition of Zeolite, clay, and heteropoly acid in organic reactions found in the catalog.

Zeolite, clay, and heteropoly acid in organic reactions

YuМ„suke Izumi

Zeolite, clay, and heteropoly acid in organic reactions

by YuМ„suke Izumi

  • 390 Want to read
  • 7 Currently reading

Published by Kodansha, VCH in Tokyo, Weinheim, New York .
Written in English

    Subjects:
  • Catalysis.,
  • Organic compounds -- Synthesis.

  • Edition Notes

    Includes bibliographical references and index.

    Statementby Yusuke Izumi, Kazuo Urabe, and Makoto Onaka.
    ContributionsUrabe, Kazuo, 1947-, Onaka, Makoto, 1952-
    Classifications
    LC ClassificationsQD505 .I98 1992
    The Physical Object
    Paginationviii, 166 p. :
    Number of Pages166
    ID Numbers
    Open LibraryOL1726071M
    ISBN 101560817003, 3527290117, 4062057522
    LC Control Number92030118

    The classic reference for the field has been Breck's book Zeolite Molecular Sieves: Structure, Chemistry, And Use. Zeolites occur naturally but are also produced industrially on a large scale. As of December , unique zeolite frameworks have been identified, and over 40 naturally occurring zeolite frameworks are known. A simple, clean and environmentally benign route to the enantioselective synthesis of (S)(6-methoxynaphtalenyl)propanoic acid, (S)-Naproxen 3 is described by using Preyssler heteropolyacid, H 14 [NaP 5 W 30 O ], as a green and reusable catalyst in water and in the presence of 1-(6-methoxynaphthalenyl)propanone 1, D-mannitol 2 Author: Ali Gharib.

    The rate equations, reaction rate constants and equilibrium constants have been determined. The reaction order and the kinetic parameters of the kinetic relations were determined by the integral method. Izumi Y., Urabe K., Onaka M.: Zeolite, Clay and Heteropoly Acid in Organic Reactions Kodansha/VCH, Tokyo, Izumi Y.: Hydration. Disclosed is a one step method for synthesis of alkylphenols which comprises reacting phenol with the corresponding olefin under adiabatic conditions in the presence of a catalyst comprising a heteropoly acid represented by the structure: [ ] where x=P or Si, M=Mo or w v and n is an integer which is 4 or 5, alone, or deposited on an inert support, at a temperature Cited by:

    1 Olah G. A. Fraissard J. Petrakis L. Determination methods for the acidity of solid surfaces Acidity and Basicity of Solids Dordrecht, The Netherlands Kluwer 2 Izumi Y. Urabe K. Onaka M. Zeolite, Clay, and Heteropoly Acid in Organic Reactions New York, NY, USA VCH 3 Singh K. Arora D. Singh S. Dowex-promoted general synthesis. Keywords:Solid acid, heterogeneous catalysis, metal oxides, clay, zeolite, metal-organic-frameworks, heteropoly acids, ion-exchange resins, sulfated metal oxides. Abstract:Recent advances in the application of environmentally benign acid catalysts in organic synthesis are reviewed. The work includes three main parts; (i) description of Author: Anne Kokel, Christian Schäfer, Béla Török.


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Zeolite, clay, and heteropoly acid in organic reactions by YuМ„suke Izumi Download PDF EPUB FB2

Zeolite, Clay, and Heteropoly Acid in Organic Reactions Hardcover – February 1, out of 5 stars 1 rating. See all formats and editions Hide other formats and editions. Price New from Used from Hardcover "Please retry" $ — $ Hardcover $ 5/5(1). Book Review.

Book Review: Zeolite, Clay and Heteropoly Acid in Organic Reactions. By Y. Izumi, K. Urabe and M. Onaka. Ganesh Pandey.

Organic Chemistry (Synthesis) Division National Chemical Laboratory, Pune (India) Search for more papers by this author. Ganesh Pandey. Buy Zeolite, clay, and heteropoly acid in organic reactions on FREE SHIPPING and heteropoly acid in organic reactions book qualified orders Zeolite, clay, and heteropoly acid in organic reactions: Yūsuke Izumi: : BooksCited by: Zeolite, Clay, and Heteropoly Acid in Organic Reactions.

Von Y. Izumi, K. Urabe und M. Onaka. VCH Verlagsgesellschaft, Weinheim, S., geb. Chapter 1 Organic Synthesis on Silicate Surfaces Introduction 1 Organic Reactions on Zeolite 2 Reactions Promoted by Acid and Base Dual Sites of Zeolite 2 Zeolite as a Reagent Support 10 Zeolite as a Rigid Macroligand to Transition Metals 19 Organic Reactions on Clay Montmorillonite 21 Aldol Reactions Written by leading experts on petrochemistry, catalysis, and organic synthesis, this book describes novel Zeolite applications and reaction-promoting functions of zeolites, clays and heteropoly acid.

Emphasis is put on the excellent catalytic performance of these materials in various organic reactions. Dispersion and quantitative characterization of supported catalysts is a grand challenge in catalytic science.

In this paper, heteropoly acid H3PW12O40 (HPA) is dispersed on mesoporous zeolite silicalite-1 derived from hydrothermal synthesis using carbon black nanoparticle templates, and the catalytic activity is studied for 1-butene by: Abstract.

Heteropoly compounds (HPC) include polyoxometalates (POM) —nanosized metal-oxygen cluster anions (heteropoly anions)— as the principal building blocks [].These anions form by a self-assembly process in solution and can be isolated as as heteropoly acids or salts with appropriate countercations, e.g., H +, alkali metal cation, by: For the oxide and zeolite catalysts possessing sufficient thermal stability, the combustion is an effective method to recover catalyst activity.

Solid HPA catalysts in organic reactions, like the conventional solid acid catalysts, suffer from deactivation by coking. Little information is available about coke formation on HPA catalysts by: Acidity in zeolites and their characterization by different spectroscopic methods Ramesh Ch.

Deka Catalysis Division, National Chemical Laboratory, PuneIndia which can initiate carbenium ion reactions. The acidity and acid strength of a zeolite can be of the required acid sites in a given zeolite catalyst be maximized.

A novel heteropoly acid salt, Na 6 [Ni(Mo 11 ZrO 39)]20H 2 O, has been synthesized by the means of acidification and adding the reactants into the solution step by step.

Written for research chemists, process engineers and students interested in new catalyst materials and new catalytic methods for organic synthesis and organic processes, this work describes novel catalyses and reaction-promoting functions of zeolites, clays and heteropoly acids. Catalytic properties of heteropoly acid/zeolite hybrid materials: Toluene disproportionation and transalkylation with 1,2,4-trimethylbenzene Article in Applied Catalysis A General (1)   ecent advances in liquid-phase organic reactions over solid acids are described based on the catalyses of acidic clays and silica-included heteropoly compounds.

Zinc ion-exchanged smectite clays, particularly nontronite clays, were effectively applied as insoluble, readily recoverable solid acid catalysts to liquid-phase Friedel-Crafts by: 6. Izumi, K. Urabe and M. Onaka, “Zeolite, Clay and Heteropolyacid in Organic Reactions,” Kodansha/VCH, Tokyo, 被如下文章引用: TITLE: Solvent Free One-Pot Synthesis of 1,2,4,5-Tetrasubstituted Imidazoles Catalyzed by Secondary Amine Based Ionic Liquid and Defective Keggin Heteropoly Acid.

Preparation, characterization and catalytic activity studies of tungstoposphoric acid. The secondary structure of the solid HPAs is formed from the coordination of the heteropoly anion with acidic protons, other cations and/or water molecules of hydration.

Solid HPAs assembled to. Transition metal–oxygen cluster polyanions, Zeolite, Clay, and Heteropoly Acid in Organic Reactions: Izumi, Y.; Urabe, K.; Onaka, M., VCH: Weinheim, Germany,1– That the rate of reaction may be taken as constant over a 5 K interval, and that the rate at any temperature is obtained by numerical integration over all of the 5.

Keywords: Salicylic acid, alcohols, phenols, heteropoly acids, acetylation, Aspirin Introduction Acetylation of alcohols is an important and routinely utilized transformation in organic chemistry1.

Among the various protecting groups used for the hydroxyl group, acetyl is one of the most common groups, being stable in the acid reaction. H-Zeolite A is an efficient, excellent, and reusable catalyst for the synthesis of arylH-dibenzo[a,j]xanthene derivatives by one-pot synthesis of β -naphthol with various aromatic aldehyde derivatives under solvent-free condition.

The synthesized zeolite H-Zeolite A was characterized by XRD, SEM, and FT-IR. The synthesized products were characterized by FT-IR and 1H-NMR Cited by: 1.

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Bringing together academic, industrial, and governmental researchers and developers, Catalysis of Organic Reactions comprises 57 peer-reviewed papers on the latest scientific developments in applied catalysis for organic reactions.

The volume describes the use of both heterogeneous and homogeneous catalyst systems and includes original resea/5(3).Methods of Asymmetric Synthesis. Enantioselective Catalytic Hydrogenation. Y. Izumi,Int. Ed. Engl.,10, Key Words: C-C BOND FORMATION.1) For recent reviews on organic reactions in the presence of clay catalysts, see for examples: Cornélis, A., Laszlo, P., Zettler, M.

W., "Encyclopedia of Reagents Cited by: 7.