By Hideshi Hattori, Makoto Misono, Yoshio Ono
Stable acid catalysts are already getting used in a number of techniques in petroleum refining and are shortly being studied intensively in either educational and utilized fields for utilization in quite a few reactions. strong base catalysts also are gaining expanding attractiveness as power catalysts. either acidic and uncomplicated catalysts are promising not just with appreciate to acid and base-catalysed reactions but in addition in fabrics sciences, comparable to the creation of adsorbents, sensors, ceramics, and so on. the current quantity comprises the textual content of 21 invited oral shows and fifty eight poster shows. the cloth covers quite a lot of points on acid-base catalysis, from quantum chemistry to industrialised tactics.
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Extra info for Acid-Base Catalysis II: Proceedings of the International Symposium on Acid-Base Catalysis Ii, Sapporo, December 2-4, 1993
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Izumi, M. Ono, M. Ogawa, and K. Urabe, Chem. , 1993,825. 13. M. Hisada, K. Urabe, and Y. Izumi, unpublished results. 14. T. Okuhara, T. Nishimura, H. Watanabe, and M. Misono, J. Mol. , 74, 247 (1992). 2 Inorganic Solid Supported Reagents as Acids and Bases Takashi Ando Department of Chemistry, Shiga University of Medical Science, Otsu 520-21, Japan Abstract The idea of supported reagents casted a new light on the chemistry of catalysis. Potassium fluoride supported on neutral alumina shows effective basicity and is used for catalytic and non-catalytic reactions in organic solvents.
1. INTRODUCTION Aluminum chloride is widely used as an efficient homogeneous catalyst for the liquidphase Friedel-Crafts alkylation and acylation using alkyl halides, acyl halides, carboxylic acids and anhydrides. Several insoluble solid acids catalysts relevant to Friedel-Crafts reactions have recently been developed to replace conventional problematic homogeneous catalysts; those include Nafion-H, zeolite [l],clay montmorillonite , Si02-A120,, sulfate-doped metal oxides ,and heteropolyacids and their salts [4-61.
Acid-Base Catalysis II: Proceedings of the International Symposium on Acid-Base Catalysis Ii, Sapporo, December 2-4, 1993 by Hideshi Hattori, Makoto Misono, Yoshio Ono